by the month for forty-nine locations in Maine, one aspect of the climate, are calculated by taking the mean (average) of the maximum and minimum temperatures for a location, in a given month, over the thirty-year period.

“Normal” temperatures are calculated by the National Oceanic and Atmospheric Administration on a thirty-year basis. The data, available in December 2010, are derived from 1971 through 2000. The thirty-year period is updated every ten years.

See also Degree Days and Normal Precipitation.

Data from http://www.erh.noaa.gov/er/gyx/climo/ME_STATS_NEW.htm; calculation notes from http://www.erh.noaa.gov/er/gyx/climate_f6.shtml (accessed 12/15/2010)

LOCATION JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
ACADIA
 MAX 31.9 34.4 41.6 52.7 65.0 74.2 79.8 78.2 69.2 57.9 47.1 36.9 55.7
NATIONAL MEAN 21.0 24.1 32.0 42.4 53.7 62.8 68.5 67.3 58.7 48.2 38.0 26.8 45.3
PARK MIN 10.0 13.8 22.3 32.0 42.3 51.3 57.1 56.3 48.1 38.4 28.8 16.7 34.8
ALLAGASH MAX 18.3 23.6 34.9 46.4 62.7 71.7 76.1 74.2 64.7 51.2 37.2 24.8 48.8
MEAN 4.3 7.2 20.4 35.2 48.9 57.9 62.7 60.7 51.6 40.0 28.3 13.1 35.9
MIN -9.8 -9.3 5.9 23.9 35.1 44.1 49.2 47.1 38.4 28.7 19.3 1.4 22.8
AUGUSTA
 MAX 28.5 32.1 41.2 53.1 66.0 74.8 80.5 79.0 70.1 58.4 46.0 34.1 55.3
AIRPORT MEAN 19.5 22.9 32.5 43.7 55.4 64.4 70.1 68.7 59.9 48.8 38.1 25.7 45.8
MIN 10.5 13.6 23.7 34.3 44.7 53.9 59.7 58.3 49.6 39.2 30.2 17.3 36.3
BANGOR
 MAX 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
INTL MEAN 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
AIRPORT MIN 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
BARNARD MAX 23.8 27.9 37.8 49.6 63.9 72.4 76.9 75.7 66.6 54.9 42.1 29.6 51.8
MEAN 13.1 16.6 27.7 39.7 52.4 61.4 66.6 65.0 55.7 44.7 34.1 20.8 41.5
MIN 2.4 5.2 17.5 29.7 40.9 50.4 56.3 54.3 44.8 34.4 26.0 11.9 31.2
BELFAST MAX 31.1 33.8 42.0 52.8 64.6 73.8 79.3 77.9 69.8 58.5 46.7 35.7 55.5
MEAN 20.9 23.4 32.3 42.7 53.5 62.6 68.2 66.9 59.0 48.4 38.4 26.6 45.2
MIN 10.6 12.9 22.6 32.5 42.4 51.3 57.1 55.9 48.1 38.2 30.1 17.5 34.9
BRASSUA MAX 20.9 24.6 34.2 45.8 60.6 70.2 74.9 73.3 64.2 51.7 38.5 26.2 48.8
DAM MEAN 9.3 11.9 22.4 35.7 49.0 59.3 64.3 62.4 53.5 42.2 30.8 16.8 38.1
MIN -2.3 -0.9 10.6 25.5 37.3 48.3 53.7 51.4 42.8 32.7 23.1 7.3 27.5
BRIDGE- MAX 21.5 25.7 36.2 49.2 64.6 73.8 78.3 75.9 65.9 53.3 39.1 26.5 50.8
WATER MEAN 10.6 13.8 25.5 38.6 51.6 61.1 65.8 63.6 54.3 43.4 31.5 17.1 39.7
MIN -0.3 1.9 14.8 28.0 38.6 48.3 53.2 51.2 42.7 33.4 23.9 7.7 28.6
BRIDGTON
 MAX 28.6 32.4 41.3 52.7 66.2 74.1 78.8 76.7 68.6 57.6 45.0 33.5 54.6
3 NW MEAN 16.5 20.0 29.9 41.3 53.7 62.2 67.2 65.1 56.5 45.5 35.4 23.1 43.0
MIN 4.3 7.5 18.4 29.8 41.1 50.2 55.5 53.5 44.4 33.4 25.8 12.7 31.4
BRUNSWICK MAX 31.0 34.2 42.7 54.2 65.3 74.3 80.0 79.1 70.3 59.3 47.8 36.6 56.2
MEAN 20.6 23.8 33.0 43.6 54.0 63.1 68.9 67.9 59.1 48.0 38.2 26.8 45.6
MIN 10.1 13.4 23.3 33.0 42.6 51.9 57.7 56.7 47.8 36.7 28.5 17 34.9
CARIBOU
 MAX 19.3 23.2 34.1 47.0 62.6 71.8 76.3 74.2 64.1 51.4 37.4 24.8 48.9
AIRPORT MEAN 9.5 13.0 24.6 38.1 51.6 60.8 65.6 63.4 53.8 42.8 30.6 16.4 39.2
MIN -0.3 2.9 15.2 29.2 40.7 49.9 54.8 52.6 43.6 34.1 23.7 8.0 29.6
CLAYTON
 MAX 18.9 22.5 33.9 45.4 61.2 71.2 75.1 73.6 63.9 50.6 36.9 24.7 48.2
LAKE MEAN 6.4 8.5 20.7 34.7 48.7 58.5 62.8 60.8 51.7 40.0 28.3 13.8 36.2
MIN -6.1 -5.6 7.4 24.0 36.2 45.8 50.4 47.9 39.4 29.4 19.6 2.9 24.3
CORINNA MAX 25.7 29.3 39.0 51.6 65.8 74.2 79.2 77.6 68.7 57.1 43.7 31.1 53.6
MEAN 13.3 16.3 27.8 40.7 53.5 62.4 67.7 65.6 56.6 44.9 34.3 20.6 42.0
MIN 0.8 3.3 16.6 29.7 41.2 50.6 56.2 53.6 44.5 32.7 24.8 10.0 30.3
DANFORTH MAX 23.9 27.5 37.5 49.2 63.9 73.3 77.9 76.7 67.5 54.9 42.0 29.6 52.0
MEAN 10.7 13.8 25.4 38.4 51.0 60.1 65.1 63.7 54.4 42.9 32.2 18.5 39.7
MIN -2.6 0.1 13.3 27.6 38.0 46.8 52.2 50.6 41.3 30.9 22.3 7.4 27.3
DOVER- MAX 23.6 27.5 36.9 48.5 63.8 72.6 78.1 76.5 67.1 54.8 41.7 29.1 51.7
FOXCROFT MEAN 12.1 15.6 25.8 38.1 51.4 60.5 66.0 64.3 54.8 43.3 32.6 19.3 40.3
MIN 0.6 3.6 14.6 27.7 38.9 48.3 53.9 52.0 42.4 31.7 23.4 9.4 28.9
EAST HIRAM MAX 28.4 32.1 41.3 53.4 66.5 75.0 80.1 78.2 69.5 57.7 44.7 33.2 55.0
MEAN 15.5 18.1 29.2 41.4 53.3 62.5 67.5 65.4 56.5 44.9 34.5 22.1 42.6
MIN 2.5 4.1 17.1 29.4 40.1 49.9 54.8 52.5 43.5 32.1 24.2 11.0 30.1
EASTPORT MAX 30.4 31.9 39.2 49.6 60.2 68.9 74.5 74.1 66.4 56.0 45.5 35.4 52.7
MEAN 22.1 24.0 31.7 41.5 50.8 58.6 64.0 64.1 57.6 48.3 38.8 27.8 44.1
MIN 13.7 16.1 24.2 33.3 41.3 48.2 53.5 54.1 48.7 40.5 32.1 20.2 35.5
ELLSWORTH MAX 30.1 33.1 41.3 52.5 64.5 73.3 78.5 77.4 68.2 56.8 45.5 34.6 54.7
MEAN 20.4 23.1 32.2 42.7 53.6 62.3 68.0 67.1 58.5 48.0 38.1 26.1 45.0
MIN 10.7 13.1 23.0 32.8 42.7 51.3 57.5 56.7 48.8 39.2 30.6 17.5 35.3
EUSTIS MAX 21.2 24.4 34.1 46.0 61.3 70.2 74.8 73.0 63.9 51.4 38.2 26.4 48.7
MEAN 10.2 12.8 23.2 36.0 48.8 58.1 62.9 60.8 52.2 41.5 30.4 17.2 37.8
MIN -0.9 1.1 12.3 25.9 36.3 46.0 51.0 48.6 40.5 31.5 22.5 8.0 26.9
FARMINGTON MAX 25.9 30.2 39.0 51.5 65.4 73.7 78.6 76.9 68.1 56.7 43.2 31.2 53.4
MEAN 14.4 18.3 28.3 40.2 51.8 60.8 65.9 64.2 55.0 44.9 34.5 21.6 41.7
MIN 2.9 6.4 17.5 28.9 38.2 47.9 53.2 51.4 41.9 33.1 25.7 11.9 29.9
FORT KENT MAX 19 23.1 34.2 46.1 62.1 72.0 76.5 74.5 64.7 52.1 38.2 24.9 49.0
MEAN 6.4 9.4 22.2 36.2 50.1 60.0 64.9 62.6 53.1 42.0 30.1 14.5 37.6
MIN -6.2 -4.3 10.1 26.3 38.0 47.9 53.2 50.7 41.4 31.8 21.9 4.1 26.2
GARDINER MAX 28.7 31.7 40.6 52.4 65.1 74.0 79.6 78.2 69.7 58.1 45.8 34.3 54.9
MEAN 17.8 20.7 31.2 42.6 54.2 63.2 68.8 67.3 58.6 47.4 37.0 24.8 44.5
MIN 6.8 9.7 21.8 32.8 43.3 52.3 57.9 56.3 47.4 36.6 28.1 15.2 34.0
GRAND LAKE
 MAX 27.1 30.5 39.4 50.9 64.3 73.6 79.3 78.1 69.2 57.3 44.8 32.5 53.9
STREAM MEAN 15.3 18.2 28.1 40.0 52.1 61.6 67.3 65.9 56.9 45.6 35.0 22.0 42.3
MIN 3.4 5.8 16.8 29.1 39.8 49.5 55.2 53.7 44.5 33.9 25.1 11.5 30.7
HOULTON
 MAX 22.5 26.1 36.4 49.1 64.3 73.5 78.4 76.2 66.0 53.5 39.9 27.4 51.1
INTL MEAN 11.4 14.3 25.8 38.5 51.6 60.8 66.1 63.9 54.1 43.0 31.5 17.7 39.9
AIRPORT MIN 0.2 2.4 15.1 27.8 38.8 48.1 53.8 51.5 42.1 32.4 23.0 7.9 28.6
HOULTON
 MAX 23.0 27.0 37.3 50.0 65.3 74.3 78.4 76.3 66.1 53.8 39.9 28.1 51.6
5 N MEAN 12.1 15.0 26.6 39.6 52.7 61.8 66.6 64.9 55.5 44.4 32.6 18.8 40.9
MIN 1.1 3.0 15.9 29.1 40.0 49.3 54.7 53.4 44.9 34.9 25.3 9.4 30.1
JACKMAN MAX 21.3 25.2 35.1 46.9 62.2 71.6 76.2 74.7 65.5 52.6 39.4 26.5 49.8
MEAN 10.3 13.1 23.5 36.9 50.1 59.9 64.6 62.8 53.9 42.4 31.5 17.4 38.9
MIN -0.8 1.0 11.9 26.8 38.0 48.1 53.0 50.8 42.2 32.2 23.6 8.3 27.9
JONESBORO MAX 28.0 30.9 39.0 50.1 61.1 69.4 74.9 74.7 67.1 55.9 44.8 33.7 52.5
MEAN 18.2 20.8 30.0 40.8 51.0 59.2 64.8 64.4 56.7 46.2 36.6 24.5 42.8
MIN 8.3 10.7 20.9 31.4 40.8 49.0 54.6 54.0 46.2 36.5 28.3 15.2 33.0
KENNEBUNK- MAX 31.9 34.2 41.2 51.5 61.1 70.3 76.3 75.0 68.1 58.0 48.1 37.8 54.5
PORT MEAN 21.6 23.8 32.2 41.9 51.5 60.8 66.7 65.3 57.7 46.9 38.6 28.0 44.6
MIN 11.3 13.3 23.2 32.2 41.9 51.3 57.1 55.6 47.2 35.7 29.1 18.1 34.7
LEWISTON MAX 29.4 33.0 41.9 53.8 66.8 76.0 81.5 79.5 70.2 58.4 45.6 34.3 55.9
MEAN 20.5 23.7 33.2 44.4 56.4 65.7 71.4 69.7 60.8 49.4 38.5 26.7 46.7
MIN 11.5 14.4 24.5 35.0 45.9 55.3 61.2 59.9 51.4 40.3 31.4 19.1 37.5
LONG FALLS
 MAX 22.7 26.2 35.4 47.3 62.1 71.3 76.2 74.5 65.5 53.2 40.1 27.8 50.2
DAM MEAN 11.6 14.5 24.3 36.9 50.0 59.7 64.7 62.8 54.1 42.9 31.7 18.4 39.3
MIN 0.4 2.7 13.1 26.5 37.9 48.1 53.2 51.1 42.6 32.6 23.3 8.9 28.4
MADISON MAX 26.2 30.0 39.0 50.6 64.3 73.3 78.5 77.0 68.0 56.3 43.4 31.3 53.2
MEAN 15 17.8 28.3 40.6 52.7 62.1 67.5 65.9 57.1 46.2 35.6 22.5 42.6
MIN 3.7 5.5 17.5 30.6 41.1 50.9 56.4 54.7 46.1 36.0 27.8 13.6 32.0
MIDDLE DAM MAX 23.4 26.7 35.9 46.7 61.4 70.9 75.6 74.0 65.0 52.8 39.9 28.3 50.1
MEAN 11.8 14.2 24.5 36.7 49.9 59.8 64.4 62.7 54.0 42.5 31.5 18.3 39.2
MIN 0.2 1.7 13.1 26.7 38.4 48.6 53.2 51.4 43.0 32.2 23.1 8.3 28.3
MILLINOCKET MAX 23.4 27.2 37.1 49.4 63.9 73.3 78.5 76.7 66.8 54.4 41.5 29.0 51.8
MEAN 12.8 15.7 26.5 39.6 52.6 62.5 67.9 65.8 56.2 44.4 33.7 20.1 41.5
MIN 2.1 4.2 15.8 29.7 41.3 51.6 57.3 54.9 45.5 34.3 25.8 11.1 31.1
NEWCASTLE MAX 29.7 33.1 41.5 53.2 65.3 73.2 78.6 76.9 67.8 56.8 45.3 34.4 54.7
MEAN 21.1 24.3 33.0 43.6 54.7 62.9 68.5 67.1 58.7 48.1 37.9 26.5 45.5
MIN 12.4 15.4 24.5 34.0 44.0 52.5 58.3 57.3 49.5 39.4 30.5 18.5 36.4
ORONO MAX 27.7 30.9 40.2 52.0 65.8 74.8 80.4 77.7 67.1 54.7 42.8 32.0 53.8
MEAN 17.9 21.2 31.0 42.0 53.9 62.7 68.4 66.1 56.4 45.3 35.5 23.7 43.7
MIN 8.1 11.5 21.7 32.0 41.9 50.6 56.4 54.5 45.7 35.9 28.1 15.3 33.5
PORT CLYDE MAX 32.4 34.4 41.3 49.7 58.8 66.1 72.4 71.4 65.1 55.3 46.4 37.4 52.6
MEAN 24.8 26.6 34.0 42.3 51.2 58.4 64.5 64.0 58.0 49.0 40.6 30.6 45.3
MIN 17.1 18.7 26.7 34.8 43.5 50.7 56.5 56.5 50.9 42.6 34.7 23.8 38.0
PORTLAND INTL
 MAX 30.9 34.1 42.2 52.8 63.3 72.8 78.8 77.3 68.9 57.9 47.1 36.4 55.2
AIRPORT MEAN 21.7 24.8 33.7 43.7 53.8 62.9 68.7 67.2 58.7 47.7 38.3 27.6 45.7
MIN 12.5 15.6 25.2 34.7 44.2 52.9 58.6 57.2 48.5 37.4 29.5 18.7 36.2
PRESQUE ISLE MAX 20.7 25.0 35.6 48.3 64.3 73.2 77.2 75.6 65.9 52.9 38.3 25.9 50.2
MEAN 11 14.9 25.9 38.7 52.5 61.5 66.2 64.4 55.3 43.9 31.5 17.6 40.3
MIN 1.2 4.7 16.2 29 40.6 49.8 55.1 53.1 44.6 34.9 24.7 9.3 30.3
RANGELEY MAX 22.1 26.1 35.9 47.4 62.3 71.3 76.1 74.1 65.4 52.8 39.4 27.5 50.0
MEAN 9.4 11.6 22.7 36.1 49.6 59.2 64.1 62.1 53.7 41.9 30.7 16.9 38.2
MIN -3.3 -2.9 9.4 24.7 36.8 47.0 52.0 50.0 42.0 30.9 21.9 6.3 26.2
RIPOGENUS
 MAX 21.2 25.0 34.9 46.4 61.5 71.6 76.5 75.0 65.7 52.9 39.3 26.7 49.7
DAM MEAN 9.7 12.5 22.2 35.6 49.5 59.9 65.2 63.3 54.4 42.6 31.3 17.2 38.6
MIN -1.9 0 9.5 24.7 37.4 48.1 53.8 51.5 43.0 32.2 23.3 7.7 27.4
RUMFORD
 MAX 27.1 31.0 40.1 52.2 66.2 74.5 79.3 77.4 68.9 57.3 43.7 31.8 54.1
1 SSE MEAN 17.1 20.3 30.2 42.3 54.6 63.3 68.2 66.6 58.0 47.1 36.0 23.2 43.9
MIN 7.0 9.6 20.3 32.3 43.0 52.1 57.1 55.8 47.1 36.8 28.3 14.6 33.7
SANFORD
 MAX 32.0 36.0 45.2 57.1 69.6 77.8 82.5 80.4 72.1 61.1 47.9 36.6 58.2
2 NNW MEAN 21.9 25.0 34.4 45.1 56.5 65.2 70.3 68.6 60.3 49.3 38.7 27.6 46.9
MIN 11.7 14.0 23.6 33.1 43.3 52.6 58.1 56.8 48.5 37.4 29.4 18.5 35.6
SQUA PAN
 MAX 20.4 24.8 35.3 46.9 62.7 72.7 77.6 75.3 65.2 52.2 38.5 25.6 49.8
DAM MEAN 7.2 9.9 22.1 36.1 49.6 59.5 64.3 61.8 52.2 41.4 29.8 14.7 37.4
MIN -6 -5.1 8.8 25.2 36.4 46.2 50.9 48.3 39.1 30.5 21.1 3.8 24.9
VAN BUREN
 MAX 18.8 22.9 33.7 46.3 62.1 71.9 76.1 74.3 64.5 51.8 38.3 25.2 48.8
2 MEAN 5.9 8.8 21.8 36.6 50.4 60.2 65.0 62.9 53.4 41.9 30.5 14.9 37.7
MIN -7 -5.3 9.8 26.9 38.7 48.5 53.9 51.5 42.3 31.9 22.7 4.5 26.5
VANCEBORO
 MAX 25.2 28.5 38.5 50.7 65.4 74.7 79.5 78.2 68.7 56.1 42.4 30.4 53.2
2 MEAN 13.3 15.8 27.1 39.6 52.4 61.6 67.1 65.7 56.5 44.5 33.6 20.1 41.4
MIN 1.4 3.1 15.6 28.5 39.3 48.5 54.7 53.2 44.3 32.8 24.8 9.8 29.7
WATERVILLE MAX 28.3 31.6 41.1 53.1 66.4 75.3 80.7 78.8 70.3 58.5 45.5 33.5 55.3
MEAN 16.8 19.4 30.2 42.0 54.2 63.5 69.0 67.1 58.6 46.8 35.9 23.5 43.9
MIN 5.2 7.2 19.3 30.8 41.9 51.6 57.2 55.3 46.9 35.1 26.2 13.4 32.5
WEST BUXTON
 MAX 30.2 33.9 42.5 54.4 66.7 75.5 80.5 78.7 70.0 58.8 46.7 35.2 56.1
2 NNW MEAN 18.3 21.3 31.4 42.3 53.7 62.9 68.2 66.4 57.6 46.3 36.2 24.7 44.1
MIN 6.4 8.7 20.2 30.2 40.6 50.2 55.9 54.0 45.2 33.7 25.6 14.1 32.1
WEST
 MAX 28.8 31.4 39.3 50.2 61.6 70.5 76.0 74.9 66.8 56.2 45.4 34.6 53.0
ROCKPORT MEAN 19.3 21.8 31.1 41.9 52.8 61.8 67.5 66.6 58.7 47.8 37.7 26.0 44.4
1 NNW MIN 9.8 12.2 22.8 33.5 43.9 53.0 59.0 58.2 50.6 39.4 29.9 17.3 35.8
WOODLAND MAX 28.1 31.1 40.0 51.8 65.4 74.6 80.1 79.0 69.7 57.5 45.5 33.7 54.7
MEAN 16.6 19.1 29.0 41.0 52.8 62.1 67.7 66.4 57.0 46.3 36.2 23.3 43.1
MIN 5.0 7.1 18.0 30.1 40.1 49.5 55.3 53.7 44.3 35.1 26.9 12.9 31.5