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Weather in Swans Island, ME · National Weather Service + NOAA

Swans Island has milder winters than most of Maine

Swans Island has chilly winters and cool summers, with plenty of rain. A typical July afternoon reaches 76°, a January night drops to 15°. Normal November highs come to 46°, and lows to 32°.

Winter 34°/18°Spring 50°/34°Summer 73°/56°Fall 57°/42°
Right now
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Sunrise 6:16 am · sunset 4:18 pm

Getting the latest forecast from the National Weather Service…

What stands out about Swans Island’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Milder winters than most of MaineJanuary nights average 15°, milder than 579 of 614 Maine towns.Cool summersJuly afternoons average 76°, cooler than 98% of U.S. towns.A long growing season177 frost-free days, from Apr 27 to Oct 22.The mildest winters aroundMilder January nights than all 4 towns around it.
A normal year

Where today sits in Swans Island’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
34° / 18°
Snow is rare
Spring
50° / 34°
Last frost around Apr 27
Summer
73° / 56°
3 days reach 90° in a normal year
Fall now
57° / 42°
First frost around Oct 22
Pastthe usual first frost (Oct 22). Last frost next spring: Apr 27
Best months to be outside
JunJulAugSep
Highs of 62–84° and lows of 40° or more
When is it wettest?October, with 5.5 inches.Is it warmer than it used to be?+1.6° vs. the 20th century.What is each month like?Highs, lows, rain and snow for all 12.

Weather talk

Road reports, first frosts and storm memories from neighbors in Swans Island.

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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Swans Island itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Acadia Np, ME (19 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.