Park climate1991–2020 climate normals555 m source elevationNASA POWER

Reviewing long-term temperature, precipitation, and humidity trends across twelve months

Allegheny National Forest Monthly Climate Normals and Annual Atmospheric Data Patterns

Name: Allegheny National Forest monthly climate normals
Creator: NASA POWER

Annual atmospheric patterns for Allegheny National Forest are defined by these twelve-month climate normals based on 1991 to 2020 NASA POWER data. These values represent long-term averages at a single representative coordinate, providing insight into monthly mean temperatures, daily precipitation rates, wind speeds, and daylight hours. Observe how these environmental metrics shift systematically from winter through summer at this specific elevation point.

View park overview Browse climate zones

A flat vector illustration showing a river flowing through a forested valley with mountains in the background under a sunny sky.

Annual climate pattern

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

Allegheny National Forest Annual Climate Normals, Monthly Temperature And Precipitation Rhythms

Average temperatures in Allegheny National Forest move from sub-zero winter lows to warm summer peaks across the twelve recorded months. Average daily precipitation remains steady throughout the year based on historical climatology records for one representative coordinate.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 7.9 °C
Warmest month: July
Coolest month: January
Wettest month: June

Twelve-month climate

Compare twelve months of average temperature bounds, precipitation rates, humidity, wind, and calculated daylight.

Allegheny National Forest Monthly Climate and Weather Patterns Across the Year

Long term climate records for a representative coordinate reveal how average minimum and maximum temperatures shift alongside daily precipitation rates throughout the calendar year. Examining humidity, wind speed, and calculated daylight hours across all twelve months provides a complete baseline for regional meteorological conditions.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	-5.3 °C-18.1° to 9.9°	2.4 mm/day	91.5%	3.4 m/s	9.4 hours
February	-4.4 °C-18° to 10.1°	2.1 mm/day	90.3%	3.3 m/s	10.4 hours
March	0.2 °C-14.4° to 17°	2.5 mm/day	85.6%	3 m/s	11.7 hours
April	6.8 °C-6.1° to 22.4°	3.1 mm/day	80.4%	2.6 m/s	13.2 hours
May	13.2 °C-1° to 26.5°	3.1 mm/day	78.9%	2 m/s	14.4 hours
June	18 °C4.9° to 29°	3.4 mm/day	79.2%	1.8 m/s	15 hours
July	20.5 °C8.9° to 31°	3.3 mm/day	75.6%	1.6 m/s	14.7 hours
August	20 °C8.2° to 31.1°	3 mm/day	72.4%	1.6 m/s	13.6 hours
September	16.3 °C3.1° to 29.9°	3.3 mm/day	72.8%	1.8 m/s	12.2 hours
October	9.3 °C-3.1° to 24.2°	2.9 mm/day	77.9%	2.1 m/s	10.8 hours
November	2.8 °C-8.3° to 17.9°	2.7 mm/day	83.9%	2.4 m/s	9.6 hours
December	-2.4 °C-13.8° to 10.8°	2.5 mm/day	89.8%	2.9 m/s	9 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: -5.3 °C; July: 20.5 °C; Change from January to July: +25.8 °C
Precipitation: January: 2.4 mm/day; July: 3.3 mm/day; Change from January to July: +0.9 mm/day
Daylight: January: 9.4 hours; July: 14.7 hours; Change from January to July: +5.3 hours

Calculated climate highlights

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

Calculated Monthly Climate Contrasts and Highlights for Allegheny National Forest

Calculated monthly normals identify the warmest, coolest, wettest, and most humid periods derived from long-term climatology records at a representative coordinate. Comparing these multi-year averages clarifies annual patterns across temperature, wind, and daylight duration without representing observed weather extremes.

Warmest month: July20.5 °C
Coolest month: January-5.3 °C
Wettest month: June3.4 mm/day
Driest month: February2.1 mm/day
Most humid month: January91.5%
Windiest month: January3.4 m/s
Longest daylight: June15 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

Analyze monthly temperature, precipitation, and daylight rhythms across diverse geographic settings.

Comparing Allegheny National Forest Climate Profiles With Other Protected Areas

Examine long term monthly temperature, precipitation, humidity, wind, and daylight patterns across multiple protected landscapes beyond Allegheny National Forest. Standardized atmospheric profiles allow visitors to contrast regional meteorological records and geographic settings without assuming equivalent conditions.