CLIMATE CHARTS

Portland Intl Jetport, Maine

Latitude: 43.6497 Longitude: -70.3003

Elevation: 44.9 feet (13.7 meters)

Portland Intl Jetport, Maine Temperature Chart Daily average maximum and minimum temperatures for Portland Intl Jetport, Maine 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 Portland Intl Jetport, Maine Precipitation Chart Precipitation chart for Portland Intl Jetport, Maine 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 PORTLAND INTL JETPORT, ME Daylight chart for PORTLAND INTL JETPORT, ME. Latitude 43.6. 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 Portland Intl Jetport, Maine

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 31.2 34.6 42.1 53.3 63.5 73.2 78.8 77.7 70.0 58.7 48.0 37.3
Minimum Temperature °F 13.4 16.4 24.9 34.7 44.2 53.6 59.4 58.2 50.3 38.9 30.9 20.4
Heating Degree Days °F 1324 1106 976 630 353 106 17 28 176 503 767 1121
Cooling Degree Days °F 0 0 0 0 7 57 144 120 30 1 0 0
Precipitation in. 3.38 3.25 4.24 4.32 4.01 3.79 3.61 3.14 3.69 4.87 4.93 4.02

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C -0.4 1.4 5.6 11.8 17.5 22.9 26.0 25.4 21.1 14.8 8.9 2.9
Minimum Temperature °C -10.3 -8.7 -3.9 1.5 6.8 12.0 15.2 14.6 10.2 3.8 -0.6 -6.4
Heating Degree Days °C 736 614 542 350 196 59 9 16 98 279 426 623
Cooling Degree Days °C 0 0 0 0 4 32 80 67 17 1 0 0
Precipitation cm. 8.59 8.26 10.77 10.97 10.19 9.63 9.17 7.98 9.37 12.37 12.52 10.21
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