CLIMATE CHARTS

Chatham, Massachusetts

Latitude: 41.6569 Longitude: -69.9589

Elevation: 40 feet (12.2 meters)

Chatham, Massachusetts Temperature Chart Daily average maximum and minimum temperatures for Chatham, Massachusetts 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 Chatham, Massachusetts Precipitation Chart Precipitation chart for Chatham, Massachusetts 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 CHATHAM, MA Daylight chart for CHATHAM, MA. Latitude 41.7. 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 Chatham, Massachusetts

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 37.6 38.3 42.8 50.5 59.0 68.4 74.9 74.7 69.4 60.0 51.7 42.8
Minimum Temperature °F 24.1 25.0 30.7 39.6 48.1 56.7 62.7 62.6 57.7 47.8 39.6 30.2
Heating Degree Days °F 1059 934 876 599 356 104 11 9 82 346 581 883
Cooling Degree Days °F 0 0 0 0 1 31 129 122 38 2 0 0
Precipitation in. 3.83 4.24 4.85 4.14 3.81 3.41 3.28 3.20 3.83 4.04 4.03 4.38

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 3.1 3.5 6.0 10.3 15.0 20.2 23.8 23.7 20.8 15.6 10.9 6.0
Minimum Temperature °C -4.4 -3.9 -0.7 4.2 8.9 13.7 17.1 17.0 14.3 8.8 4.2 -1.0
Heating Degree Days °C 588 519 487 333 198 58 6 5 46 192 323 491
Cooling Degree Days °C 0 0 0 0 1 17 72 68 21 1 0 0
Precipitation cm. 9.73 10.77 12.32 10.52 9.68 8.66 8.33 8.13 9.73 10.26 10.24 11.13
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