Delaware Weather Records
Weather data and records for the U.S. state of Delaware based on data compiled by the NOAA.
All data displayed in U.S. customary units.
All data displayed in metric units.
Delaware Statewide Averages
Average temperatures over the entire territory of the state, from 1991–2020.
| Month |
High (°F°C) |
Low (°F°C) |
| January |
43.96.6 |
26.5-3.1 |
| February |
46.58.1 |
27.7-2.4 |
| March |
54.212.3 |
34.31.3 |
| April |
65.418.5 |
43.46.3 |
| May |
74.223.4 |
53.011.7 |
| June |
82.728.2 |
62.416.9 |
| July |
87.330.7 |
67.519.7 |
| August |
85.429.6 |
65.718.7 |
| September |
79.026.1 |
59.215.1 |
| October |
68.520.3 |
47.68.7 |
| November |
57.414.1 |
37.63.1 |
| December |
48.39.1 |
30.7-0.7 |
| Entire Year |
66.119.0 |
46.48.0 |
Delaware Cities
Yearly weather averages for various places in Delaware, from 1991–2020.
| Average (°F°C) |
Record (°F°C) |
Yearly (inchescm) |
| Dover |
66.619.2 |
48.18.9 |
104.040.0 |
-11.0-23.9 |
44.1112.0 |
12.231.0 |
| Georgetown |
67.219.5 |
47.88.8 |
104.040.0 |
-4.9-20.5 |
43.6110.7 |
n/a |
| Lewes |
66.919.4 |
49.99.9 |
102.038.9 |
-11.0-23.9 |
47.7121.0 |
8.321.0 |
| Wilmington |
64.718.1 |
46.27.9 |
102.939.4 |
-14.1-25.6 |
45.3115.0 |
20.251.3 |