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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

6/16
Tuesday
Patchy rain nearby
70.7°F/51.4°F
6/17
Wednesday
Patchy rain nearby
52°F/47.9°F
6/18
Thursday
Partly Cloudy
64.2°F/43.4°F
6/19
Friday
Patchy rain nearby
63.8°F/41°F
6/20
Saturday
Partly Cloudy
66.6°F/41.4°F
6/21
Sunday
Sunny
72°F/44.6°F
6/22
Monday
Partly Cloudy
72.7°F/46.8°F