Weather & Climate
Grant County, West Virginia, United States
Overview
Available climate summaries for Grant County. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
9.7°C
Summer Avg
20.3°C
Winter Avg
-1.6°C
Record High
35.6°C
Record Low
-22.7°C
Annual Precipitation
1119.7 mm
Avg Humidity
79%
Summer Humidity
76%
Winter Humidity
86%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 18.4° | -2.9° | -22.7° | 73.8 | 86% | 52 | 29.7 |
| Feb | 21.3° | -1.6° | -20.6° | 75 | 85% | 69 | 37.6 |
| Mar | 24.6° | 3° | -22.4° | 82.8 | 82% | 109 | 34.5 |
| Apr | 28.7° | 9.4° | -7.3° | 101.7 | 78% | 139 | 33.6 |
| May | 30.4° | 14.8° | -4.6° | 123.4 | 80% | 163 | 23.7 |
| Jun | 31.4° | 19° | 1.3° | 115.8 | 79% | 176 | 18.2 |
| Jul | 35.6° | 21.2° | 7.8° | 118.1 | 76% | 179 | 15.3 |
| Aug | 33.5° | 20.8° | 6.7° | 90.5 | 73% | 162 | 16.3 |
| Sep | 33.8° | 17.5° | 1.9° | 92.1 | 72% | 130 | 20.9 |
| Oct | 31.8° | 10.8° | -5.4° | 87.4 | 76% | 93 | 27.7 |
| Nov | 23.6° | 4.5° | -14.4° | 72 | 79% | 64 | 26 |
| Dec | 23.2° | -0.4° | -16.1° | 87.1 | 86% | 45 | 29.4 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.