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Park climate1991–2020 climate normals138 m source elevationNASA POWER

Examine twelve month atmospheric patterns based on representative 1991 to 2020 climatology data

Shawnee National Forest Monthly Climate Normals, Temperature, and Precipitation Averages

Shawnee National Forest climate profiles provide a month by month breakdown of environmental averages including mean temperature, precipitation rates, humidity, wind speeds, and daylight duration. These records reflect long term climatological patterns calculated from a representative coordinate at 138.31 meters elevation. Data helps clarify annual cycles rather than providing current weather forecasts or real time environmental conditions for the broader forest area.

Annual climate pattern

Long term monthly averages tracking thermal ranges and daily precipitation across twelve months

Shawnee National Forest Annual Climate Normals, Monthly Temperature and Precipitation Patterns

Average monthly temperatures span from subzero winter minimums to midsummer maximums across the sampled coordinate, establishing the core annual thermal cycle for Shawnee National Forest. Corresponding average daily precipitation rates shift alongside these temperature records based on historical climatology data from 1991 to 2020.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 4.3 mm/day-20°-10°0°10°20°30°40°0°2°8°14°19°24°26°25°22°15°7°2°0123452.833.64.34.13.73.32.52.733.53JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
13.6 °C
Warmest month
July
Coolest month
January
Wettest month
April
Twelve-month climate

Compare average temperature bounds, daily precipitation rates, humidity, wind, and calculated daylight across the calendar year.

Shawnee National Forest Weather by Month: Complete Twelve-Month Climate Normals

Examine average minimum, mean, and maximum temperatures alongside average daily precipitation rates across all twelve months at a representative coordinate. Compare relative humidity, wind speed, and calculated daylight hours to understand the full long-term monthly climate pattern.
Mean temperaturePrecipitationHumidityWind speedDaylight
January0.2 °C-14.7° to 16.8°2.8 mm/day84%4.2 m/s9.7 hours
February2.5 °C-11.4° to 18.8°3 mm/day82.3%4.2 m/s10.6 hours
March7.7 °C-7.2° to 23°3.6 mm/day80.2%4.3 m/s11.8 hours
April13.8 °C-1.3° to 26.3°4.3 mm/day78.2%4.2 m/s13 hours
May19.1 °C5.2° to 29.4°4.1 mm/day79.9%3.4 m/s14 hours
June23.6 °C11.6° to 32.9°3.7 mm/day78.7%2.8 m/s14.5 hours
July25.7 °C15.2° to 35°3.3 mm/day75.7%2.5 m/s14.3 hours
August25.4 °C14.3° to 36.1°2.5 mm/day69.7%2.5 m/s13.4 hours
September21.5 °C7.6° to 34.2°2.7 mm/day67.1%2.9 m/s12.2 hours
October14.6 °C-0.3° to 29.7°3 mm/day70%3.4 m/s11 hours
November7.4 °C-5.9° to 23.1°3.5 mm/day76.8%3.7 m/s10 hours
December2.2 °C-10.8° to 18.4°3 mm/day83.5%3.8 m/s9.5 hours
Calculated climate highlights

Comparing long term monthly averages for temperature, precipitation, humidity, wind, and daylight duration.

Shawnee National Forest Calculated Climate Contrasts: Warmest, Coolest, and Wettest Monthly Averages

These calculated monthly highlights identify the high and low points across twelve stored climatology records for Shawnee National Forest. Each comparative label reflects mathematical averages from NASA data rather than observed weather extremes or historical records.
Warmest month
July25.7 °C
Coolest month
January0.2 °C
Wettest month
April4.3 mm/day
Driest month
August2.5 mm/day
Most humid month
January84%
Windiest month
March4.3 m/s
Longest daylight
June14.5 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 and precipitation normals across diverse geographic settings.

Comparing Shawnee National Forest Climate Profiles with Other Protected Areas

Examine long term monthly temperature, precipitation, humidity, wind, and daylight normals across different protected landscapes to evaluate atmospheric variation. Standardized climate records provide a structured framework for analyzing seasonal rhythms across multiple geographic settings.
MoriAtlas Explorer

Explore the Detailed Geography and Protected Landscapes of Shawnee National Forest

Continue your geographic exploration of Shawnee National Forest through our detailed mapping of this expansive Illinois wilderness. Gain insight into the regional terrain, geological landmarks, and forest boundaries that define one of the most prominent conservation areas in the American Midwest.