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Cohasset

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Cohasset Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Cohasset year round climate

  • Spring (March–May): Average -35–52°F, cold and dry climate, windy, low rainfall. Common activities: Hiking (dress warmly), birdwatching. Suggested clothing: Thick coat, warm clothing, hat, scarf, waterproof jacket.
  • Summer (June–August): Average 61–68°F, mild climate, low rainfall. Common activities: Camping, hiking, boating. Suggested clothing: Light and breathable clothing, sun protection clothing, sun hat.
  • Autumn (September–November): Average 50–65°F, cool and dry climate, low rainfall. Common activities: Viewing autumn leaves (if applicable), outdoor walks. Suggested clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average -8.7–-35.1°F, cold and dry climate, very little rainfall. Common activities: Skiing (if nearby), indoor activities. Suggested clothing: Heavy coat, warm clothing, hat, gloves, scarf, waterproof boots.

Cohasset climatological average

Annual average temperature: approx. 44.2°F / Annual rainfall: approx. 25 mm / Summer humidity: 40%–50% / Rainiest month: June

Cohasset monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
16.3°F
0.5
February
26.8°F
0.8
March
28.9°F
1.3
April
41.2°F
2.3
May
52.9°F
3.3
June
61.2°F
4.7
July
68.5°F
3.2
August
66.2°F
2.9
September
65.5°F
1.6
October
50.2°F
1.2
November
34°F
1.9
December
19°F
1.8

Cohasset weather for the next seven days

3/16
Monday
Partly Cloudy
16.9°F/2.7°F
3/17
Tuesday
Moderate or heavy snow showers
16.2°F/0.9°F
3/18
Wednesday
Cloudy
44.4°F/15.4°F
3/19
Thursday
Fog
38.3°F/33.3°F
3/20
Friday
Overcast
42.9°F/30.7°F
3/21
Saturday
Overcast
56°F/29.4°F
3/22
Sunday
Partly Cloudy
32.9°F/22.3°F