Damariscotta weather by month
What a typical year looks like in Damariscotta, Maine: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Newcastle, 3 km from Damariscotta; records cover 1965–2026.
The year at a glance
- Precipitation a year
- 49.3 in1251 mm
- Snow a year
- 79 in200 cm
- Last spring freeze
- Apr 29
- First fall freeze
- Oct 14
- Heating degree days
- 7,076
- Cooling degree days
- 346
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −4°−20° (heating, 99%) and 88°31° (cooling, 1%).
Month by month
Damariscotta in January
Highs average 30°−1° and lows 15°−10°, with 3.8 in97 mm of precipitation and 20 in50 cm of snow in a typical January.
- Record high
- 57°14° (2007)
- Record low
- −20°−29° (1981)
- Heating degree days
- 1320
- Cooling degree days
- 0
Damariscotta in February
Highs average 33°1° and lows 17°−8°, with 3.6 in92 mm of precipitation and 20 in52 cm of snow in a typical February.
- Record high
- 63°17° (2022)
- Record low
- −24°−31° (2023)
- Heating degree days
- 1121
- Cooling degree days
- 0
Damariscotta in March
Highs average 41°5° and lows 25°−4°, with 4.3 in110 mm of precipitation and 14 in36 cm of snow in a typical March.
- Record high
- 85°29° (1998)
- Record low
- −9°−23° (1982)
- Heating degree days
- 995
- Cooling degree days
- 0
Damariscotta in April
Highs average 54°12° and lows 35°2°, with 4.2 in106 mm of precipitation and 4 in11 cm of snow in a typical April.
- Record high
- 87°31° (1990)
- Record low
- 12°−11° (1995)
- Heating degree days
- 626
- Cooling degree days
- 0
Damariscotta in May
Highs average 65°18° and lows 45°7°, with 3.8 in97 mm of precipitation in a typical May.
- Record high
- 94°34° (1992)
- Record low
- 27°−3° (1966)
- Heating degree days
- 326
- Cooling degree days
- 8
Damariscotta in June
Highs average 73°23° and lows 54°12°, with 4.3 in109 mm of precipitation in a typical June.
- Record high
- 95°35° (2025)
- Record low
- 36°2° (1986)
- Heating degree days
- 99
- Cooling degree days
- 50
Damariscotta in July
Highs average 78°26° and lows 60°15°, with 3.4 in87 mm of precipitation in a typical July.
- Record high
- 98°37° (1977)
- Record low
- 44°7° (1965)
- Heating degree days
- 15
- Cooling degree days
- 140
Damariscotta in August
Highs average 77°25° and lows 59°15°, with 3.4 in85 mm of precipitation in a typical August.
- Record high
- 101°38° (1975)
- Record low
- 36°2° (1965)
- Heating degree days
- 21
- Cooling degree days
- 117
Damariscotta in September
Highs average 69°21° and lows 52°11°, with 4.2 in106 mm of precipitation in a typical September.
- Record high
- 93°34° (2002)
- Record low
- 27°−3° (1965)
- Heating degree days
- 162
- Cooling degree days
- 30
Damariscotta in OctoberThis month
Highs average 57°14° and lows 42°5°, with 5 in126 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 82°28° (1968)
- Record low
- 21°−6° (1969)
- Heating degree days
- 484
- Cooling degree days
- 1
Damariscotta in November
Highs average 46°8° and lows 32°0°, with 4.6 in116 mm of precipitation and 4 in9 cm of snow in a typical November.
- Record high
- 74°23° (2024)
- Record low
- 3°−16° (1989)
- Heating degree days
- 782
- Cooling degree days
- 0
Damariscotta in December
Highs average 36°2° and lows 22°−6°, with 4.7 in120 mm of precipitation and 17 in42 cm of snow in a typical December.
- Record high
- 64°18° (1982)
- Record low
- −20°−29° (1980)
- Heating degree days
- 1125
- Cooling degree days
- 0