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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 -1.7–11.6°C, 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 16.2–20.3°C, mild climate, low rainfall. Common activities: Camping, hiking, boating. Suggested clothing: Light and breathable clothing, sun protection clothing, sun hat.
  • Autumn (September–November): Average 10.1–18.6°C, 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–-1.7°C, 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. 6.8°C / Annual rainfall: approx. 25 mm / Summer humidity: 40%–50% / Rainiest month: June

Cohasset monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-8.7°C
0.5
February
-2.9°C
0.8
March
-1.7°C
1.3
April
5.1°C
2.3
May
11.6°C
3.3
June
16.2°C
4.7
July
20.3°C
3.2
August
19°C
2.9
September
18.6°C
1.6
October
10.1°C
1.2
November
1.1°C
1.9
December
-7.2°C
1.8

Cohasset weather for the next seven days

5/1
Friday
Sunny
10.7°C/-3.1°C
5/2
Saturday
Partly Cloudy
14.8°C/-1.6°C
5/3
Sunday
Partly Cloudy
15°C/3.8°C
5/4
Monday
Patchy rain nearby
7.5°C/1.5°C
5/5
Tuesday
Partly Cloudy
5.7°C/-2.5°C
5/6
Wednesday
Partly Cloudy
7°C/-3.3°C
5/7
Thursday
Partly Cloudy
12.6°C/-3.1°C