Dover, DE
Climate overview — based on NOAA 1991-2020 normals from DOVER, DE US.
Year-round temperatures (°F)
Climate summary
Dover has an annual average temperature of 57.1°F with about 47.6 inches of precipitation per year and 13.2 inches of snow. The warmest month is July (average high 86.9°F), and the coldest is January (average low 27.6°F). August is typically the wettest month (4.92 in) and February the driest (3.08 in). Snow typically falls from December through March.
Best time to visit Dover
Full guide →Climate change signal
All-time records →35 of 366 (9.6%) of Dover'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 | 6 | |
| 1900s | 13 | |
| 1910s | 34 | |
| 1920s | 40 | |
| 1930s | 32 | |
| 1940s | 41 | |
| 1950s | 34 | |
| 1960s | 18 | |
| 1970s | 30 | |
| 1980s | 24 | |
| 1990s | 31 | |
| 2000s | 17 | |
| 2010s | 30 | |
| 2020s | 16 |
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 | 44.4°F | 27.6°F | 36.0°F | 3.43 in | 4.1 in | 10 |
| February | 47.4°F | 29.0°F | 38.2°F | 3.08 in | 5.9 in | 9 |
| March | 54.5°F | 35.4°F | 45.0°F | 4.21 in | 0.6 in | 10 |
| April | 66.0°F | 44.9°F | 55.5°F | 3.72 in | — | 10 |
| May | 74.4°F | 54.4°F | 64.4°F | 3.89 in | — | 11 |
| June | 82.7°F | 63.8°F | 73.2°F | 4.56 in | — | 9 |
| July | 86.9°F | 69.0°F | 77.9°F | 4.14 in | — | 9 |
| August | 85.1°F | 67.3°F | 76.2°F | 4.92 in | — | 8 |
| September | 79.2°F | 61.0°F | 70.1°F | 4.25 in | — | 8 |
| October | 68.9°F | 49.5°F | 59.2°F | 4.06 in | — | 8 |
| November | 58.0°F | 39.3°F | 48.7°F | 3.36 in | — | 7 |
| December | 48.6°F | 32.1°F | 40.3°F | 3.99 in | 2.6 in | 10 |
Climate twins of Dover
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).