Bangor ME Airport Normals based on FAA Observations 1971-2000
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
        Temperature Normals
        Daily Maximum 27.6 30.9 40.2 52.6 65.4 74.4 79.6 78.1 69.1 57.3 44.8 33.1 54.4
        Daily Minimum 8.3 11.4 22.1 33.2 43.6 53.3 58.7 57.2 48.5 38.2 29.3 15.8 35.0
        Monthly 18.0 21.2 31.2 42.9 54.5 63.9 69.2 67.7 58.8 47.8 37.1 24.5 44.7
        Degree Day Normals
        Heating (base 65f) 1458 1228 1049 664 329 79 16 24 199 534 839 1257 7676
        Cooling (base 65f) 0 0 0 0 4 45 145 105 14 0 0 0 251
Precipitation normals (water equivalent) 3.34 2.54 3.44 3.32 3.40 3.41 3.24 2.99 3.39 3.48 3.69 3.33 39.57
        Snowfall 18.7 15.1 11.2 4.5 T 0 0 0 0 T 3.3 14.1 67.0

Source: NOAA/NCDC publication Climatography of the U.S. #84