Best MonthSeptember
TExplore Score7.9 / 10
Best TimeBest overall: February; strong alternatives: September and April.
Best SeasonFall
Ideal TripWeekend
The strongest overall windows for Cooper State Park are February, September and April. February leads this dataset's balance of weather, rain, comfort, crowds, value and seasonal appeal. Travelers with different priorities should compare the full month table before booking.
Cooper State Park is a state park in Texas’s Prairies & Lakes tourism region. It is most useful for travelers comparing nature, scenic, photography, hiking across the year. This guide evaluates every month with one consistent framework covering temperature, precipitation, humidity, daylight, comfort, outdoor suitability, expected demand, relative cost and traveler fit. Climate values use the nearest complete NOAA 1991–2020 monthly-normal station, COOPER DAM, located approximately 4.0 miles from the destination reference point. Scores help compare months; they do not replace a short-range forecast or current operating notices.
TExplore Score7.9Good
Compare all 12 months for Cooper State Park using climate normals, crowds, value, comfort and traveler-fit scores.
September Scores
The strongest month at a glance.
Weather8.5Great
Rain6.5Fair
Crowds6.7Fair
Value9.1Excellent
Comfort9.5Excellent
Outdoors8.5Great
Seasonal Appeal7.9Good
Cost$Budget
Best Time For
Best WeatherFebruary8.6 / 10
Least RainAugust6.6 / 10
Lowest CrowdsAugust7.3 / 10
Best ValueAugust9.3 / 10
FamiliesFebruary9.6 / 10
CouplesFebruary9.5 / 10
SoloFebruary9.5 / 10
RomanticFebruary8.4 / 10
RelaxingFebruary9.3 / 10
OutdoorsFebruary8.5 / 10
SightseeingFebruary8.9 / 10
How Long Should You Stay?
1 DayGood
Half DayLess Ideal
2 DaysGreat
Day TripLess Ideal
3 DaysGood
WeekendExcellent
4–5 DaysFair
1 Week+Less Ideal
10 Days+Less Ideal
Sweet Spot: Weekend
Choose a Month
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Cooper State Park in September
7.9 / 10 Good
September in Cooper State Park is typically warm to hot, with an average high near 88.1°F and low near 65.1°F at the selected NOAA reference station. The normal monthly rainfall is about 3.25 inches across 6.5 measurable-rain days, so visitors should expect occasional rain. Light crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Weather8.5
Rain6.5
Crowds6.7
Value9.1
Comfort9.5
Outdoors8.5
Seasonal Appeal7.9
Cost$
Month at a Glance
- Average High
- 88.10°F
- Average Low
- 65.10°F
- Rainfall
- 3.25 in
- Rainy Days
- 6.50
- Humidity
- 64.30%
- Daylight
- 12.30 hr
- Crowds
- Light crowds
- Cost
- $ – Budget-friendly
All 12 Months
Compare the full year. On phones, every month becomes its own easy-to-read card.
| Month | Overall | Weather | Rain | Crowds | Cost | Best For |
|---|---|---|---|---|---|---|
| January | 7.8 | 8.2 | 6.2 | Moderate | $ | Families, Couples, Solo travel |
| February | 7.8 | 8.6 | 5.8 | Moderate | $ | Families, Couples, Solo travel |
| March | 7.5 | 8.4 | 5.2 | Busy | $ | Families, Couples, Solo travel |
| April | 7.8 | 8.5 | 5.4 | Busy | $ | Families, Couples, Solo travel |
| May | 7.6 | 8.2 | 4.8 | Moderate | $ | Families, Couples, Solo travel |
| June | 7.4 | 8.0 | 5.9 | Busy | $ | Families, Couples, Solo travel |
| July | 7.2 | 7.2 | 6.5 | Moderate | $ | Families, Couples, Solo travel |
| August | 7.4 | 7.2 | 6.6 | Moderate | $ | Families, Couples, Solo travel |
| September | 7.9 | 8.5 | 6.5 | Moderate | $ | Families, Couples, Solo travel |
| October | 7.5 | 8.2 | 4.5 | Moderate | $ | Families, Couples, Solo travel |
| November | 7.7 | 8.4 | 5.1 | Moderate | $ | Families, Couples, Solo travel |
| December | 7.5 | 8.3 | 5.3 | Busy | $ | Families, Couples, Solo travel |
Best to Worst Months
- 1September7.9
- 2February7.8
- 3April7.8
- 4January7.8
- 5November7.7
- 6May7.6
- 7October7.5
- 8March7.5
- 9December7.5
- 10August7.4
- 11June7.4
- 12July7.2
GoodSeptember · February · April · January · November · May · October · March · December · August · June · July
Season Overview
Spring
7.6 / 10April is the strongest month in this season, based on the same overall scoring formula.
Summer
7.3 / 10August is the strongest month in this season, based on the same overall scoring formula.
Fall
7.7 / 10September is the strongest month in this season, based on the same overall scoring formula.
Winter
7.7 / 10February is the strongest month in this season, based on the same overall scoring formula.
Traveler Suitability
Families9.6 / 10
Couples9.5 / 10
Solo9.5 / 10
Romantic8.4 / 10
Relaxing9.3 / 10
Outdoors8.5 / 10
Sightseeing8.9 / 10
Cost Through the Year & Crowds Through the Year
CostJan$Feb$Mar$Apr$May$Jun$Jul$Aug$Sep$Oct$Nov$Dec$
CrowdsJanModerateFebModerateMarBusyAprBusyMayModerateJunBusyJulModerateAugModerateSepModerateOctModerateNovModerateDecBusy
January in Cooper State Park
54.40° / 33.60°F 3.32 in Light crowds $
January in Cooper State Park is typically cool, with an average high near 54.4°F and low near 33.6°F at the selected NOAA reference station. The normal monthly rainfall is about 3.32 inches across 7.6 measurable-rain days, so visitors should expect occasional rain. Light crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Why Visit
Choose January for nature, scenic, photography, a 8.2/10 weather score, and light crowds relative to this destination's busier periods.
Things to Know
Cold mornings are possible; pack layers and verify weather-sensitive services or trails.
February in Cooper State Park
58.70° / 37.80°F 3.45 in Light crowds $
February in Cooper State Park is typically cool to mild, with an average high near 58.7°F and low near 37.8°F at the selected NOAA reference station. The normal monthly rainfall is about 3.45 inches across 9.7 measurable-rain days, so visitors should expect a comparatively wetter pattern. Light crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Why Visit
Choose February for nature, scenic, photography, a 8.6/10 weather score, and light crowds relative to this destination's busier periods.
Things to Know
Conditions can change quickly; confirm forecasts, operating hours and reservation requirements.
March in Cooper State Park
66.40° / 44.30°F 4.31 in Moderate crowds $
March in Cooper State Park is typically cool to mild, with an average high near 66.4°F and low near 44.3°F at the selected NOAA reference station. The normal monthly rainfall is about 4.31 inches across 9.6 measurable-rain days, so visitors should expect a comparatively wetter pattern. Moderate crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Why Visit
Choose March for nature, scenic, photography, a 8.4/10 weather score, and moderate crowds relative to this destination's busier periods.
Things to Know
Conditions can change quickly; confirm forecasts, operating hours and reservation requirements.
April in Cooper State Park
74.60° / 52.50°F 4.16 in Moderate crowds $
April in Cooper State Park is typically mild to warm, with an average high near 74.6°F and low near 52.5°F at the selected NOAA reference station. The normal monthly rainfall is about 4.16 inches across 8.9 measurable-rain days, so visitors should expect occasional rain. Moderate crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Why Visit
Choose April for nature, scenic, photography, a 8.5/10 weather score, and moderate crowds relative to this destination's busier periods.
Things to Know
Conditions can change quickly; confirm forecasts, operating hours and reservation requirements.
May in Cooper State Park
81.70° / 62.10°F 4.91 in Light crowds $
May in Cooper State Park is typically mild to warm, with an average high near 81.7°F and low near 62.1°F at the selected NOAA reference station. The normal monthly rainfall is about 4.91 inches across 9.1 measurable-rain days, so visitors should expect a comparatively wetter pattern. Light crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Why Visit
Choose May for nature, scenic, photography, a 8.2/10 weather score, and light crowds relative to this destination's busier periods.
Things to Know
Conditions can change quickly; confirm forecasts, operating hours and reservation requirements.
June in Cooper State Park
89.50° / 70.30°F 4.17 in Moderate crowds $
June in Cooper State Park is typically warm to hot, with an average high near 89.5°F and low near 70.3°F at the selected NOAA reference station. The normal monthly rainfall is about 4.17 inches across 6.3 measurable-rain days, so visitors should expect occasional rain. Moderate crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Why Visit
Choose June for nature, scenic, photography, a 8.0/10 weather score, and moderate crowds relative to this destination's busier periods.
Things to Know
Conditions can change quickly; confirm forecasts, operating hours and reservation requirements.
July in Cooper State Park
93.80° / 73.70°F 3.42 in Light crowds $
July in Cooper State Park is typically warm to hot, with an average high near 93.8°F and low near 73.7°F at the selected NOAA reference station. The normal monthly rainfall is about 3.42 inches across 5.8 measurable-rain days, so visitors should expect limited rain interruption. Light crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Why Visit
Choose July for nature, scenic, photography, a 7.2/10 weather score, and light crowds relative to this destination's busier periods.
Things to Know
Plan strenuous activity early, carry extra water and allow for intense afternoon heat.
August in Cooper State Park
94.10° / 72.50°F 3.04 in Light crowds $
August in Cooper State Park is typically warm to hot, with an average high near 94.1°F and low near 72.5°F at the selected NOAA reference station. The normal monthly rainfall is about 3.04 inches across 7.0 measurable-rain days, so visitors should expect occasional rain. Light crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Why Visit
Choose August for nature, scenic, photography, a 7.2/10 weather score, and light crowds relative to this destination's busier periods.
Things to Know
Plan strenuous activity early, carry extra water and allow for intense afternoon heat.
September in Cooper State Park
88.10° / 65.10°F 3.25 in Light crowds $
September in Cooper State Park is typically warm to hot, with an average high near 88.1°F and low near 65.1°F at the selected NOAA reference station. The normal monthly rainfall is about 3.25 inches across 6.5 measurable-rain days, so visitors should expect occasional rain. Light crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Why Visit
Choose September for nature, scenic, photography, a 8.5/10 weather score, and light crowds relative to this destination's busier periods.
Things to Know
Conditions can change quickly; confirm forecasts, operating hours and reservation requirements.
October in Cooper State Park
78.00° / 54.20°F 5.75 in Light crowds $
October in Cooper State Park is typically mild to warm, with an average high near 78.0°F and low near 54.2°F at the selected NOAA reference station. The normal monthly rainfall is about 5.75 inches across 7.8 measurable-rain days, so visitors should expect occasional rain. Light crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Why Visit
Choose October for nature, scenic, photography, a 8.2/10 weather score, and light crowds relative to this destination's busier periods.
Things to Know
Conditions can change quickly; confirm forecasts, operating hours and reservation requirements.
November in Cooper State Park
66.20° / 43.90°F 5.01 in Light crowds $
November in Cooper State Park is typically cool to mild, with an average high near 66.2°F and low near 43.9°F at the selected NOAA reference station. The normal monthly rainfall is about 5.01 inches across 7.4 measurable-rain days, so visitors should expect occasional rain. Light crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Why Visit
Choose November for nature, scenic, photography, a 8.4/10 weather score, and light crowds relative to this destination's busier periods.
Things to Know
Conditions can change quickly; confirm forecasts, operating hours and reservation requirements.
December in Cooper State Park
56.70° / 36.90°F 4.46 in Moderate crowds $
December in Cooper State Park is typically cool to mild, with an average high near 56.7°F and low near 36.9°F at the selected NOAA reference station. The normal monthly rainfall is about 4.46 inches across 8.2 measurable-rain days, so visitors should expect occasional rain. Moderate crowds and $ – budget-friendly conditions shape the overall trade-off. The month is strongest for families, couples, solo travel, especially when the plan emphasizes nature, scenic, photography. Use the scores as a consistent comparison tool and check short-range forecasts and official access alerts before departure.
Why Visit
Choose December for nature, scenic, photography, a 8.3/10 weather score, and moderate crowds relative to this destination's busier periods.
Things to Know
Conditions can change quickly; confirm forecasts, operating hours and reservation requirements.
Compare Months
Compare Destinations
Choose two or three destination-and-month combinations to compare weather, crowds, value, comfort and traveler fit side by side.
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Cooper 7.8$$2 miles
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Paris 7.7$$23 miles
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How Scores Are Calculated
Data source: Catalog: https://tpwd.texas.gov/state-parks/parks-map | Coordinates: Texas Parks & Wildlife park directory | Climate: NOAA 1991-2020 normals, USC00411968 https://www.ncei.noaa.gov/data/normals-monthly/1991-2020/access/USC00411968.csv, nearest complete station 4.0 mi | Humidity: NASA POWER 2001-2020 climatology https://power.larc.nasa.gov/api/temporal/climatology/point | Daylight: astronomical calculation at mid-month | Derived scores: TExploreVibe v2 documented methodology | Image: https://commons.wikimedia.org/wiki/File:Cooper_Lake_State_Park_Texas_swimming_hole.jpg (Public domain; U.S. Army Corps of Engineers, photographer not specified or unknown) Last updated: 2026-08-11
Read the complete scoring methodology →