Average Annual Precipitation for Maine





The tables below give yearly averages for rainfall plus snowfall at cities, towns and lakes in Maine.

Each place has a total for the amount of precipitation it usually receives in a year along with information on the number of days with wet weather. The count of days includes those when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The annual precipitation totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

You can jump to a separate table for Maine's Coast, Central Maine and Northern Maine.

Maine Coast

Average yearly precipitation
Days Place Inches Milli­metres
139 Acadia National Park 55.5 1411
105 Belfast 48.8 1239
128 Brunswick 50.0 1270
140 Eastport 47.7 1210
118 Jonesboro 50.8 1291
134 Kennebunkport 52.0 1321
142 Newcastle 49.3 1251
131 Portland 48.1 1222
136 Tenants Harbor 47.6 1209

Central Maine

Annual averages for rainfall plus snowfall
Days Place Inches Milli­metres
137 Augusta 41.8 1063
134 Bangor 41.7 1059
138 Dover-Foxcroft 44.7 1135
150 Flagstaff Lake, Long Falls Dam 43.0 1093
129 Grand Lake Stream 45.7 1160
120 Lewiston 45.2 1148
178 Lower Richardson Lake, Middle Dam 40.8 1037
167 Rangeley 42.6 1083
121 Rumford 48.9 1242
135 Waterville 43.4 1101

Northern Maine

Average amount of rain and snow a year
Days Place Inches Milli­metres
156 Fort Kent 41.6 1057
134 Millinocket 45.4 1152
152 Moosehead Lake, Brassua Dam 43.3 1099
137 Presque Isle 38.1 966
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Maine Precipitation
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