Delaware Weather Records
Weather averages and records for the U.S. state of Delaware based on data made available by the NOAA.
Delaware Statewide Averages
Average temperatures over the entire territory of the state, from 1991–2020.
| Month |
High (°F) |
Low (°F) |
| January |
43.9 |
26.5 |
| February |
46.5 |
27.7 |
| March |
54.2 |
34.3 |
| April |
65.4 |
43.4 |
| May |
74.2 |
53.0 |
| June |
82.7 |
62.4 |
| July |
87.3 |
67.5 |
| August |
85.4 |
65.7 |
| September |
79.0 |
59.2 |
| October |
68.5 |
47.6 |
| November |
57.4 |
37.6 |
| December |
48.3 |
30.7 |
| Entire Year |
66.1 |
46.4 |
Delaware Cities
Yearly weather averages for various places in Delaware, from 1991–2020.
| Average (°F) |
Record (°F) |
Yearly (inches) |
| Dover |
66.6 |
48.1 |
104 |
-11 |
44.1 |
12.2 |
| Georgetown |
67.2 |
47.8 |
104 |
-5 |
43.6 |
n/a |
| Lewes |
66.9 |
49.9 |
102 |
-11 |
47.7 |
8.3 |
| Wilmington |
64.7 |
46.2 |
103 |
-14 |
45.3 |
20.2 |