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Park climate1991–2020 climate normals62 m source elevationNASA POWER

Detailed atmospheric records including temperature, precipitation, wind, and daylight averages.

Sam Houston National Forest Monthly Climate Normals, 1991 to 2020 Data Profiles

Examine the twelve-month climate profile for Sam Houston National Forest, derived from 1991 to 2020 NASA POWER measurements at a representative park coordinate. This analysis covers monthly average temperatures, daily precipitation rates, relative humidity, wind speed, and daylight hours. Records provide a clear view of annual climatic patterns within this Texas protected landscape rather than reflecting real-time weather or local microclimate variations.

A graphic illustration featuring a lake in the foreground, surrounded by pine and deciduous trees, with a waterfall cascading from a cliff in the background under a pale sun.
Annual climate pattern

Long term monthly temperature averages alongside daily precipitation rates across the calendar year

Sam Houston National Forest Annual Climate Normals and Monthly Temperature Patterns

Monthly temperature normals for Sam Houston National Forest trace a distinct annual cycle with average minimums dropping below freezing in winter and average maximums peaking near forty degrees Celsius during midsummer. Average daily precipitation rates accompany these thermal shifts across the twelve month period, drawing from recorded NASA POWER climatology at a representative coordinate.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 4.5 mm/day-10°0°10°20°30°40°50°10°12°16°20°24°28°29°29°26°21°15°11°0123453.63.23.13.344.53.13.73.84.23.73.8JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
19.9 °C
Warmest month
August
Coolest month
January
Wettest month
June
Twelve-month climate

Compare long term temperature bounds, average daily precipitation, humidity, and daylight hours

Sam Houston National Forest Monthly Climate and Weather Records Across Twelve Months

Reviewing all twelve monthly records provides a complete climatological baseline for temperature ranges and average daily precipitation rates at a representative park coordinate. Examining relative humidity, wind speed, and calculated daylight hours alongside thermal shifts reveals the full annual environmental pattern.
Mean temperaturePrecipitationHumidityWind speedDaylight
January9.7 °C-3.9° to 23.8°3.6 mm/day83.1%2.1 m/s10.3 hours
February12 °C-2° to 25.2°3.2 mm/day83%2.2 m/s10.9 hours
March15.8 °C0.1° to 28.6°3.1 mm/day80.3%2.2 m/s11.8 hours
April19.8 °C5.4° to 31.6°3.3 mm/day77.2%2.3 m/s12.8 hours
May24.4 °C11.3° to 35.8°4 mm/day74.9%2.1 m/s13.6 hours
June27.6 °C18.2° to 38°4.5 mm/day73.9%1.8 m/s13.9 hours
July28.6 °C21° to 39.3°3.1 mm/day73.1%1.6 m/s13.8 hours
August28.9 °C20.4° to 40°3.7 mm/day71.2%1.5 m/s13.1 hours
September25.9 °C13.5° to 37.5°3.8 mm/day73.6%1.7 m/s12.2 hours
October20.7 °C5.6° to 34°4.2 mm/day75.4%1.9 m/s11.2 hours
November14.8 °C0° to 28.3°3.7 mm/day80%2 m/s10.4 hours
December10.8 °C-2.7° to 25.2°3.8 mm/day83.2%2.1 m/s10.1 hours
Calculated climate highlights

Comparative monthly averages for temperature, precipitation, humidity, wind, and daylight duration

Sam Houston National Forest Calculated Monthly Climate Highlights and Extremes

Calculated monthly normals identify the warmest, coolest, wettest, and windiest calendar intervals across twelve stored climatology records for a representative coordinate in Texas. These comparative monthly averages summarize annual patterns without reflecting individual weather extremes or localized conditions.
Warmest month
August28.9 °C
Coolest month
January9.7 °C
Wettest month
June4.5 mm/day
Driest month
March3.1 mm/day
Most humid month
December83.2%
Windiest month
April2.3 m/s
Longest daylight
June13.9 hours

Interactive climate map

Compare National Park Climate Data Through an Interactive Global Map

Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.

Global National Park Climate Map
Other park climates

Analyze monthly temperature, precipitation, and daylight rhythms across diverse protected regions.

Compare Sam Houston National Forest Climate Profiles with Other Protected Landscapes

Examine long term monthly climate normals for Sam Houston National Forest alongside standardized meteorological profiles from other protected areas. Evaluate distinct annual temperature curves, precipitation rhythms, humidity levels, and daylight variations across varied geographic settings.
MoriAtlas Explorer

Continue Your Geographic Exploration of Sam Houston National Forest

Deepen your understanding of this significant Texas protected landscape through the MoriAtlas platform. Analyze the specific terrain of the Piney Woods, trace the expansive Lone Star Hiking Trail, and examine the relationship between the forested ridgelines and the surrounding lake reservoirs within this unique regional ecosystem.