Wilmington
The tables below display average monthly climate and weather indicators in Wilmington Delaware.
Temperature by: Fahrenheit / Centigrade
Wilmington Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Avg. Temperature | 44.9 | 47.3 | 54.4 | 62.3 | 70.1 | 76.5 | 80.1 | 79.4 | 75.3 | 65.3 | 57.0 | 48.5 | 63.4 |
Avg. Max Temperature | 55.3 | 58.1 | 65.7 | 74.0 | 80.8 | 85.4 | 88.5 | 87.6 | 85.2 | 76.9 | 69.1 | 59.4 | 73.8 |
Avg. Min Temperature | 34.4 | 36.4 | 43.1 | 50.5 | 59.3 | 67.5 | 71.7 | 71.0 | 65.3 | 53.7 | 44.8 | 37.5 | 52.9 |
Days with Max Temp of 90 F or Higher | 0.0 | 0.0 | 0.0 | 1.0 | 2.0 | 8.0 | 16.0 | 12.0 | 5.0 | < 0.5 | 0.0 | 0.0 | 45.0 |
Days with Min Temp Below Freezing | 13.0 | 10.0 | 4.0 | 3.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 3.0 | 10.0 | 41.0 |
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Wilmington Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Heating Degree Days | 631 | 496 | 338 | 115 | 10.0 | 0.0 | 0.0 | 0.0 | 0.0 | 102 | 259 | 519 | 2470 |
Cooling Degree Days | 8.0 | 0.0 | 10.0 | 34.0 | 168 | 345 | 468 | 446 | 309 | 111 | 19.0 | 8.0 | 1926 |
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Wilmington Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Precipitation (inches) | 3.9 | 3.7 | 3.9 | 2.9 | 4.4 | 6.0 | 8.1 | 6.9 | 5.0 | 2.7 | 3.1 | 3.6 | 54.3 |
Days with Precipitation 0.01 inch or More | 11.0 | 10.0 | 10.0 | 8.0 | 9.0 | 10.0 | 13.0 | 12.0 | 10.0 | 7.0 | 8.0 | 9.0 | 117 |
Monthly Snowfall (inches) | 0.4 | 0.5 | 0.4 | 0.2 | < 0.05 | < 0.05 | < 0.05 | 0.0 | 0.0 | 0.0 | 0.9 | 0.6 | 1.9 |
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Other Wilmington Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Average Wind Speed | 9.0 | 9.6 | 10.0 | 10.1 | 9.1 | 8.4 | 7.9 | 7.3 | 7.8 | 7.9 | 8.1 | 8.4 | 8.6 |
Clear Days | 10.0 | 9.0 | 10.0 | 11.0 | 8.0 | 7.0 | 6.0 | 7.0 | 8.0 | 12.0 | 12.0 | 10.0 | 111 |
Partly Cloudy Days | 6.0 | 6.0 | 8.0 | 8.0 | 11.0 | 11.0 | 12.0 | 12.0 | 10.0 | 7.0 | 7.0 | 7.0 | 104 |
Cloudy Days | 15.0 | 13.0 | 14.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 14.0 | 150 |
Percent of Possible Sunshine | 56.0 | 59.0 | 64.0 | 71.0 | 67.0 | 66.0 | 64.0 | 62.0 | 61.0 | 64.0 | 63.0 | 59.0 | 63.0 |
Avg. Relative Humidity | 58.0 | 67.5 | 67.5 | 66.5 | 66.0 | 70.0 | 73.0 | 76.5 | 77.0 | 75.0 | 70.5 | 67.5 | 70.5 |