Maine May Weather

Maine weather averages and all-time records in the month of May from 1991–2020 based on data made available by the NOAA.
State:
Month:
Statewide May Averages
High temperature 63.2 °F
Low temperature 39.8 °F
Precipitation 3.7 inches
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Maine Cities
May weather averages for various places in Maine, from 1991–2020.
City Average (°F) Record (°F) Monthly (inches)
High Low High Low Precipitation Snow
Augusta 65.5 45.0 94 26 3.3 n/a
Bangor 65.7 43.0 96 23 3.3 0.0
Belfast 63.6 41.8 95 22 3.9 0.0
Caribou 62.7 41.0 96 18 3.5 0.8
Farmington 65.5 40.5 100 20 3.9 0.2
Fort Kent 61.8 37.4 95 17 3.3 0.2
Gardiner 65.7 43.7 99 23 3.7 0.0
Houlton 63.6 38.9 96 18 3.5 n/a
Jackman 62.4 37.8 97 14 3.7 0.2
Madison 64.2 42.1 97 20 3.3 0.0
Millinocket 64.9 42.6 96 19 3.5 n/a
Portland 63.9 44.7 96 23 3.7 0.0
Rockport 62.5 44.2 95 21 4.0 0.0
Sanford 68.3 44.1 97 21 3.7 0.0
Waterville 66.0 43.0 98 21 3.2 0.0