West Virginia has an average annual temperature of
54.1°F
(across all 4 cities) with approximately
1051 mm of annual precipitation
and average humidity of 77%.
The warmest city is Martinsburg
with average July highs of 97.2°F,
while Morgantown
is the coldest with average January lows of 3°F.
This page covers 45 years of NASA POWER climate data (1981–2025)
including temperature, rainfall, humidity, wind speed, and solar radiation.
Jul is typically the warmest month across West Virginia with average highs around
95.2°F, while
Jan is the coldest with average lows near
5.2°F.
May is the wettest month with approximately
115 mm of rainfall on average.
Month
Max Temp
Min Temp
Avg Temp
Rain (mm)
Humidity
Wind (m/s)
Solar (kWh/m²)
Jan
58.3°F
5.2°F
31.6°F
74
86%
0.6
1.80
Feb
62.1°F
8.8°F
35.4°F
78
85%
0.7
2.60
Mar
71.6°F
16.7°F
44.2°F
90
81%
0.6
3.70
Apr
79°F
25.3°F
52.2°F
90
78%
0.3
4.80
May
84.7°F
36.9°F
60.8°F
115
78%
0.2
5.40
Jun
91.4°F
47.3°F
69.4°F
102
75%
0.2
6.00
Jul
95.2°F
54.7°F
75°F
109
70%
0.2
5.80
Aug
95°F
52.5°F
73.8°F
87
67%
0.2
5.30
Sep
91.8°F
42.6°F
67.3°F
84
67%
0.2
4.30
Oct
82.9°F
30.6°F
56.8°F
74
72%
0.2
3.20
Nov
72.1°F
21.2°F
46.8°F
81
78%
0.2
2.20
Dec
61°F
11.8°F
36.5°F
84
85%
0.4
1.60
📈 West Virginia Yearly Climate Trends
🌡️ Annual Temperature Trend
State-wide avg annual high & low · Last 10 years
📈 West Virginia Long-Term Climate Trends (1981–2025)
This chart shows how West Virginia's average temperatures have shifted across 45 years.
Use the range buttons to focus on recent decades or view the full historical record.
Data is averaged across all 4 cities in the state.
🌧️ Annual Precipitation Trend
State-wide avg annual precipitation · Last 10 years · mm/year
🔗 Explore Cities in West Virginia
Browse detailed weather history, monthly averages, and 45-year climate trends for every city in West Virginia.
Morgantown is the wettest city in West Virginia with approximately 1091 mm of annual precipitation on average. View Morgantown weather history →
What is the warmest month in West Virginia?▼
Jul is the warmest month across West Virginia, with state-wide average highs of 95.2°F and average lows of 54.7°F.
How many cities in West Virginia have weather data?▼
TownPillar has historical weather data for 4 cities in West Virginia, covering 45 years of NASA POWER climate records from 1981 to 2025.
Which month has the most sunshine in West Virginia?▼
Jun is the sunniest month across West Virginia with an average solar radiation of 6.00 kWh/m²/day state-wide. This solar radiation data from NASA POWER is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability.
Where does this climate data come from?▼
All data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis data. It includes monthly temperature, precipitation, humidity, wind speed, and solar radiation at 0.5° × 0.625° spatial resolution.
📚 Data Source
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources). Data covers 45 years (1981–2025) across 4 cities in West Virginia at monthly temporal resolution.