Monthly Average Temperatures 1976-1995
At Research and Education, Georgetown DE
| Minimum | MAXIMUM | Mean Temperature | |
| Jan. | 25 | 42 | 33.5 |
| Feb | 26 | 45 | 35.5 |
| Mar | 34 | 54 | 44.0 |
| Apr | 42 | 65 | 53.5 |
| May | 52 | 74 | 63.0 |
| Jun | 60 | 82 | 71.0 |
| Jul | 66 | 87 | 76.5 |
| Aug | 64 | 85 | 74.5 |
| Sep | 57 | 80 | 68.5 |
| Oct | 45 | 68 | 56.5 |
| Nov | 38 | 59 | 48.5 |
| Dec | 28 | 48 | 38.0 |
Last Updated on 9/16/97