Hartford

The tables below display average monthly climate and weather indicators in Hartford Connecticut. Temperature by: Fahrenheit / Centigrade Hartford Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Avg. Temperature -4.1 -2.5 3.1 9.3 15.3 20.3 23.2 22.0 17.4 11.2 5.5 -1.4 9.9 Avg. Max Temperature 0.7 2.4 8.2 15.5 22.0 26.7 29.4 28.2 23.8 17.6 10.6 3.1 15.7 Avg. Min Temperature -9.0 -7.4 -2.2 3.1 8.7 13.8 16.8 15.8 11.0 4.8 0.4 -5.9 4.2 Days with Max Temp of 32 C or Higher 0.0 0.0 0.0 < 0.5 1.0 3.0 7.0 5.0 1.0 < 0.5 0.0 0.0 18.0 Days with Min Temp Below Freezing 28.0 25.0 22.0 8.0 1.0 0.0 0.0 0.0 < 0.5 6.0 17.0 27.0 133     Hartford Heating and Cooling Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Heating Degree Days 1252 1050 853 489 194 20.0 0.0 6.0 96.0 397 693 1101 6151 Cooling Degree Days 0.0 0.0 0.0 0.0 27.0 125 270 210 45.0 0.0 0.0 0.0 677     Hartford Precipitation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Precipitation (inches) 3.4 3.2 3.6 3.9 4.1 3.8 3.2 3.6 3.8 3.6 4.0 3.9 44.1 Days with Precipitation 0.01 inch or More 11.0 10.0 12.0 11.0 12.0 11.0 10.0 10.0 10.0 9.0 11.0 12.0 128 Monthly Snowfall (inches) 13.0 12.0 10.0 1.5 0.0 < 0.05 0.0 0.0 0.0 0.1 2.1 10.3 49.0     Other Hartford Weather Indicators Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Average Wind Speed 9.0 9.4 9.9 9.8 8.7 8.0 7.3 7.0 7.3 7.8 8.4 8.7 8.4 Clear Days 8.0 7.0 7.0 6.0 6.0 6.0 6.0 7.0 8.0 9.0 6.0 7.0 82.0 Partly Cloudy Days 8.0 8.0 8.0 9.0 10.0 10.0 12.0 11.0 9.0 9.0 8.0 7.0 108 Cloudy Days 15.0 14.0 16.0 15.0 16.0 14.0 13.0 13.0 13.0 13.0 16.0 17.0 175 Percent of Possible Sunshine 53.0 56.0 57.0 55.0 57.0 60.0 62.0 62.0 59.0 57.0 45.0 47.0 56.0 Avg. Relative Humidity 55.5 64.0 63.0 60.0 59.0 62.0 65.0 67.0 69.5 69.0 64.5 66.0 68.0

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