Eastport weather by month
What a typical year looks like in Eastport, Maine: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Robbinston, 21 km from Eastport; records cover 1994–2026.
The year at a glance
- Precipitation a year
- 54.7 in1390 mm
- Snow a year
- 95 in241 cm
- Last spring freeze
- May 10
- First fall freeze
- Oct 9
- Heating degree days
- 7,745
- Cooling degree days
- 208
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −6°−21° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
Eastport in January
Highs average 29°−2° and lows 11°−12°, with 4.9 in123 mm of precipitation and 25 in63 cm of snow in a typical January.
- Record high
- 57°14° (2018)
- Record low
- −20°−29° (2004)
- Heating degree days
- 1400
- Cooling degree days
- 0
Eastport in February
Highs average 32°0° and lows 13°−11°, with 4.2 in106 mm of precipitation and 22 in56 cm of snow in a typical February.
- Record high
- 63°17° (2022)
- Record low
- −19°−28° (2023)
- Heating degree days
- 1200
- Cooling degree days
- 0
Eastport in March
Highs average 40°4° and lows 22°−6°, with 4.8 in122 mm of precipitation and 19 in48 cm of snow in a typical March.
- Record high
- 83°28° (2012)
- Record low
- −9°−23° (2007)
- Heating degree days
- 1062
- Cooling degree days
- 0
Eastport in April
Highs average 51°10° and lows 32°0°, with 4.4 in112 mm of precipitation and 6 in15 cm of snow in a typical April.
- Record high
- 83°28° (2007)
- Record low
- 8°−13° (1995)
- Heating degree days
- 706
- Cooling degree days
- 0
Eastport in May
Highs average 62°17° and lows 41°5°, with 4.4 in110 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 92°33° (2013)
- Record low
- 24°−4° (2006)
- Heating degree days
- 414
- Cooling degree days
- 2
Eastport in June
Highs average 71°22° and lows 50°10°, with 4.1 in104 mm of precipitation in a typical June.
- Record high
- 97°36° (2020)
- Record low
- 34°1° (2026)
- Heating degree days
- 160
- Cooling degree days
- 22
Eastport in July
Highs average 77°25° and lows 56°13°, with 3.2 in81 mm of precipitation in a typical July.
- Record high
- 97°36° (1999)
- Record low
- 44°7° (2001)
- Heating degree days
- 40
- Cooling degree days
- 86
Eastport in August
Highs average 77°25° and lows 56°13°, with 3.5 in88 mm of precipitation in a typical August.
- Record high
- 95°35° (1995)
- Record low
- 41°5° (2003)
- Heating degree days
- 38
- Cooling degree days
- 78
Eastport in September
Highs average 69°21° and lows 49°9°, with 4.2 in107 mm of precipitation in a typical September.
- Record high
- 95°35° (2010)
- Record low
- 29°−2° (2008)
- Heating degree days
- 198
- Cooling degree days
- 20
Eastport in OctoberThis month
Highs average 57°14° and lows 39°4°, with 5.4 in138 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 82°28° (2002)
- Record low
- 22°−6° (2008)
- Heating degree days
- 527
- Cooling degree days
- 0
Eastport in November
Highs average 45°7° and lows 30°−1°, with 5.5 in140 mm of precipitation and 4 in9 cm of snow in a typical November.
- Record high
- 73°23° (2020)
- Record low
- 5°−15° (2018)
- Heating degree days
- 819
- Cooling degree days
- 0
Eastport in December
Highs average 34°1° and lows 19°−7°, with 6.3 in159 mm of precipitation and 19 in49 cm of snow in a typical December.
- Record high
- 61°16° (2020)
- Record low
- −8°−22° (1998)
- Heating degree days
- 1181
- Cooling degree days
- 0