Average annual temperatures for Delaware (13°C/55°F) are the same as the average for United States (13°C/55°F).
Average annual rainfall for Delaware (1,323mm/52 inches) is significantly above the average for United States (1,039mm/41 inches).
July is the hottest or warmest month in Delaware, with an average maximum temperate of 31°C/88°F.
January is the coolest or coldest month in Delaware, with an average minimum temperate of -4°C/25°F.
August is the wettest or most rainy month in Delaware, with an average rainfall of 148mm/6 inches.
November is the driest or least rainy month in Delaware, with an average rainfall of 84mm/3 inches.
Dover is the hottest or warmest place in Delaware, with an average maximum temperate of 13°C/55°F.
Wilmington is the coldest place in Delaware, with an average maximum temperate of 13°C/55°F.
Newark is the most rainy or wettest place in Delaware, with an average annual rainfall of 1,328mm/52 inches.
Dover is the least rainy or driest place in Delaware, with an average annual rainfall of 1,222mm/48 inches.
| Place | Min Temp | Max Temp | Avg Temp | Rainfall |
|---|---|---|---|---|
| Dover | 7 | 19 | 13 | 1,222 |
| Newark | 8 | 18 | 13 | 1,328 |
| Wilmington | 8 | 18 | 13 | 1,328 |