CLIMATE CHARTS

Groton, Connecticut

Latitude: 41.3511 Longitude: -72.0389

Elevation: 40 feet (12.2 meters)

Groton, Connecticut Temperature Chart Daily average maximum and minimum temperatures for Groton, Connecticut Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High & Low Temperature °F  °C -30 -34.4 -20 -28.9 -10 -23.3 0 -17.8 10 -12.2 20 -6.7 30 -1.1 40 4.4 50 10.0 60 15.6 70 21.1 80 26.7 90 32.2 100 37.8 110 43.3 Groton, Connecticut Precipitation Chart Precipitation chart for Groton, Connecticut Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Precipitation In. Cm. 0.00 0.00 0.10 0.25 0.20 0.51 0.30 0.76 0.40 1.02 0.50 1.27 0.60 1.52 0.70 1.78 0.80 2.03 0.90 2.29 1.00 2.54 Daylight Chart for GROTON, CT Daylight chart for GROTON, CT. Latitude 41.4. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sunrise/Sunset Daylight NOON NOON 0 0 2 2 4 4 6 6 8 8 10 10 12 12 14 2 16 4 18 6 20 8 22 10 24 12

Monthly Data Table for Groton, Connecticut

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 38.4 41.0 47.9 57.4 66.9 75.7 81.0 79.9 73.6 63.2 53.9 43.6
Minimum Temperature °F 22.5 24.9 31.6 40.9 49.5 59.1 65.3 64.5 57.2 46.0 37.9 28.2
Heating Degree Days °F 1071 897 783 477 226 40 2 4 75 330 573 902
Cooling Degree Days °F 0 0 0 1 15 112 255 227 87 8 0 0
Precipitation in. 3.78 3.51 5.07 4.54 3.65 4.08 3.63 4.29 4.16 4.15 4.54 4.28

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 3.6 5.0 8.8 14.1 19.4 24.3 27.2 26.6 23.1 17.3 12.2 6.4
Minimum Temperature °C -5.3 -3.9 -0.2 4.9 9.7 15.1 18.5 18.1 14.0 7.8 3.3 -2.1
Heating Degree Days °C 595 498 435 265 126 22 1 2 42 183 318 501
Cooling Degree Days °C 0 0 0 1 8 62 142 126 48 4 0 0
Precipitation cm. 9.60 8.92 12.88 11.53 9.27 10.36 9.22 10.90 10.57 10.54 11.53 10.87
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