Park climate1991–2020 climate normals485 m source elevationNASA POWER

Detailed atmospheric records including temperature, humidity, wind, and precipitation rates

George Washington and Jefferson National Forests Monthly Climate Averages 1991 to 2020

Name: George Washington and Jefferson National Forests monthly climate normals
Creator: NASA POWER

Analyze the long-term climate profile for George Washington and Jefferson National Forests based on monthly averages recorded from 1991 to 2020. This data provides a representative view of atmospheric conditions at a fixed elevation, including patterns for mean temperature, precipitation, relative humidity, wind speed, and daylight hours throughout the calendar year.

View park overview Browse climate zones

A flat-style digital illustration featuring a waterfall descending from a rocky cliff, surrounded by stylized green trees and rolling mountains under a setting sun.

Annual climate pattern

Analysis of twelve-month average thermal ranges and corresponding daily precipitation rates

George Washington and Jefferson National Forests Annual Climate Normals and Monthly Temperature Patterns

Monthly mean temperatures across the sampled coordinate range from a January low of negative 1.55 degrees Celsius to a July peak of 23.55 degrees Celsius, accompanied by average minimum and maximum extremes. Corresponding average daily precipitation rates span from 2.26 millimeters in February to 3.62 millimeters in June, based on long-term climatology records from 1991 to 2020.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 11.1 °C
Warmest month: July
Coolest month: January
Wettest month: June

Twelve-month climate

Complete twelve-month climate comparison of average temperature, precipitation, humidity, wind, and daylight

George Washington and Jefferson National Forests Weather by Month and Climate Normals

Comparative analysis of monthly climate records across the calendar year reveals long-term temperature bounds, average daily precipitation rates, and humidity patterns at a representative coordinate. Evaluating twelve-month variations in wind speed and calculated daylight provides essential meteorological context for understanding regional environmental shifts.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	-1.6 °C-15.6° to 14.6°	2.3 mm/day	83.1%	3.1 m/s	9.7 hours
February	-0 °C-13° to 15.9°	2.3 mm/day	81.5%	3.2 m/s	10.6 hours
March	4.4 °C-9.3° to 20.8°	2.8 mm/day	79.1%	3.3 m/s	11.8 hours
April	10.7 °C-3.6° to 25.4°	2.9 mm/day	76.2%	3.1 m/s	13 hours
May	16.1 °C2.4° to 28.7°	3.4 mm/day	76.9%	2.5 m/s	14.1 hours
June	21 °C8.5° to 31.9°	3.6 mm/day	73.4%	2.2 m/s	14.6 hours
July	23.6 °C12.8° to 34.3°	3.3 mm/day	68.8%	2 m/s	14.4 hours
August	22.8 °C11.7° to 33.6°	2.9 mm/day	67.9%	2 m/s	13.5 hours
September	18.8 °C5.9° to 31.6°	3.6 mm/day	69.8%	2.3 m/s	12.2 hours
October	12 °C-1.4° to 27.1°	2.4 mm/day	73.6%	2.5 m/s	10.9 hours
November	5.4 °C-6° to 21.4°	2.6 mm/day	77.1%	2.7 m/s	9.9 hours
December	0.5 °C-11.2° to 15.9°	2.4 mm/day	82.8%	2.8 m/s	9.4 hours

Compare two months

See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.

First month

Second month

Mean temperature: January: -1.6 °C; July: 23.6 °C; Change from January to July: +25.1 °C
Precipitation: January: 2.3 mm/day; July: 3.3 mm/day; Change from January to July: +1 mm/day
Daylight: January: 9.7 hours; July: 14.4 hours; Change from January to July: +4.7 hours

Calculated climate highlights

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

George Washington and Jefferson National Forests Monthly Climate Highlights and Extremes

Examine the warmest, coolest, wettest, and windiest periods derived directly from long-term monthly climate records sampled at a representative coordinate. These comparative monthly averages summarize annual environmental patterns without implying recorded weather extremes or uniform conditions across the protected area.

Warmest month: July23.6 °C
Coolest month: January-1.6 °C
Wettest month: June3.6 mm/day
Driest month: February2.3 mm/day
Most humid month: January83.1%
Windiest month: March3.3 m/s
Longest daylight: June14.6 hours

Interactive climate map

National park climate map

Open the climate map to compare monthly temperature, precipitation, and other averages.

Global National Park Climate Map

Other park climates

Explore monthly temperature, precipitation, and regional atmospheric patterns across diverse protected landscapes.

Comparing George Washington and Jefferson National Forests Climate Profiles with Other Protected Areas

Examine long-term monthly normals, annual temperature rhythms, and precipitation patterns to contrast atmospheric conditions across different protected landscapes. Standardized monthly metrics provide a clear comparative baseline for evaluating regional climate diversity and geographic variation.