Grafton, WV
Climate overview — based on NOAA 1991-2020 normals from TYGART DAM, WV US.
Year-round temperatures (°F)
Climate summary
Grafton has an annual average temperature of 51.5°F with about 48.6 inches of precipitation per year and 25.5 inches of snow. The warmest month is July (average high 81.2°F), and the coldest is January (average low 21.2°F). July is typically the wettest month (5.48 in) and November the driest (3.14 in). Snow typically falls from November through April.
Best time to visit Grafton
Full guide →Climate change signal
All-time records →214 of 366 (58.5%) of Grafton's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1940s | 0 | |
| 1950s | 0 | |
| 2000s | 107 | |
| 2010s | 127 | |
| 2020s | 132 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 38.7°F | 21.2°F | 30.0°F | 3.37 in | 9.7 in | 17 |
| February | 42.3°F | 22.7°F | 32.5°F | 3.32 in | 7.7 in | 14 |
| March | 51.6°F | 29.2°F | 40.4°F | 3.87 in | 3.3 in | 13 |
| April | 64.0°F | 38.6°F | 51.3°F | 4.34 in | 0.2 in | 14 |
| May | 71.5°F | 48.8°F | 60.1°F | 4.88 in | — | 15 |
| June | 77.8°F | 56.7°F | 67.2°F | 4.92 in | — | 14 |
| July | 81.2°F | 61.4°F | 71.3°F | 5.48 in | — | 13 |
| August | 80.4°F | 60.0°F | 70.2°F | 4.37 in | — | 12 |
| September | 75.5°F | 53.3°F | 64.4°F | 3.64 in | — | 10 |
| October | 64.7°F | 41.9°F | 53.3°F | 3.40 in | 0.1 in | 12 |
| November | 53.1°F | 32.1°F | 42.6°F | 3.14 in | 0.9 in | 11 |
| December | 42.9°F | 26.2°F | 34.5°F | 3.83 in | 3.6 in | 15 |
Climate twins of Grafton
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).