
Allegheny National Forest
- Annual mean
- 7.9 °C
- Warmest month
- July
- Wettest month
- June
A twelve-month profile of temperature, precipitation, wind, and daylight averages.
Explore the multi-year atmospheric profile for Allegheny National Recreation Area based on NASA POWER records from 1991 to 2020. This data captures representative monthly averages for temperature, precipitation, humidity, wind speed, and daylight hours at a single reference coordinate. These metrics illustrate stable climate patterns rather than daily forecasts or current weather events, offering a factual baseline for regional geographic research.

Analysis of twelve month average temperatures and daily precipitation rates for Pennsylvania
Compare average temperature bounds, daily precipitation rates, wind speed, relative humidity, and calculated daylight across the calendar year.
| 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 |
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.
Comparative monthly averages for temperature, precipitation, humidity, wind, and daylight duration
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Explore monthly temperature and precipitation data across diverse protected landscapes








Examine the detailed geographic boundaries and terrain features of the Allegheny National Recreation Area. MoriAtlas provides a structured view of this Pennsylvania protected area, helping you understand its role within the wider Allegheny Plateau and the connected river-based ecosystems of the region.