Charles Town, WV
Climate overview — based on NOAA 1991-2020 normals from MARTINSBURG E WV RGNL AP, WV US.
Year-round temperatures (°F)
Climate summary
Charles Town has an annual average temperature of 54.1°F with about 39 inches of precipitation per year. The warmest month is July (average high 86.9°F), and the coldest is January (average low 23.5°F). May is typically the wettest month (4.05 in) and February the driest (2.14 in).
Best time to visit Charles Town
Full guide →Climate change signal
All-time records →23 of 366 (6.3%) of Charles Town'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.
| 1890s | 13 | |
| 1900s | 11 | |
| 1910s | 27 | |
| 1920s | 44 | |
| 1930s | 69 | |
| 1940s | 43 | |
| 1950s | 20 | |
| 1960s | 16 | |
| 1970s | 27 | |
| 1980s | 20 | |
| 1990s | 31 | |
| 2000s | 15 | |
| 2010s | 19 | |
| 2020s | 11 |
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 | 41.3°F | 23.5°F | 32.4°F | 2.60 in | — | 10 |
| February | 44.7°F | 25.3°F | 35.0°F | 2.14 in | — | 9 |
| March | 53.5°F | 32.2°F | 42.8°F | 3.42 in | — | 11 |
| April | 65.4°F | 41.8°F | 53.6°F | 3.36 in | — | 11 |
| May | 74.0°F | 51.0°F | 62.5°F | 4.05 in | — | 13 |
| June | 82.4°F | 59.8°F | 71.1°F | 3.85 in | — | 11 |
| July | 86.9°F | 64.5°F | 75.7°F | 3.78 in | — | 11 |
| August | 85.0°F | 62.5°F | 73.8°F | 3.02 in | — | 9 |
| September | 78.1°F | 55.3°F | 66.7°F | 4.03 in | — | 9 |
| October | 66.7°F | 43.7°F | 55.2°F | 2.99 in | — | 9 |
| November | 55.1°F | 34.2°F | 44.6°F | 2.73 in | — | 9 |
| December | 44.8°F | 27.1°F | 36.0°F | 3.00 in | — | 10 |
Climate twins of Charles Town
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).