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 7.2 8.5 12.4 16.8 21.2 24.7 26.7 26.3 24.1 18.5 13.9 9.2 17.4 Avg. Max Temperature 12.9 14.5 18.7 23.3 27.1 29.7 31.4 30.9 29.6 24.9 20.6 15.2 23.2 Avg. Min Temperature 1.3 2.4 6.2 10.3 15.2 19.7 22.1 21.7 18.5 12.1 7.1 3.1 11.6 Days with Max Temp of 32 C 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     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     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     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