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Massachusetts Weather and climate

Data source:Meteostat
Update date:2025-09

Massachusetts year round climate
  • Spring (March–May): Average 3.7–15.3°C, the climate gradually changes from cold to warm, with abundant rainfall. March may still experience snowfall or cold weather; temperatures rise in April, and May is quite warm. Common activities: flower viewing, outdoor walks, hiking. Suggested clothing: Layered clothing, including warm inner layers, mid-layers, and a windproof jacket.
  • Summer (June–August): Average 19.2–23.3°C, warm and humid, with occasional showers. July is the hottest month, with higher rainfall. Common activities: Beach activities, water sports, camping, outdoor picnics. Suggested clothing: Light and breathable clothing, short-sleeved shirts, shorts, sandals, and a light jacket for cooler evenings.
  • Autumn (September–November): Average 12.5–17.8°C, cool and comfortable, with gradually decreasing rainfall. October and November become cooler, and frost is possible. Common activities: Leaf peeping, picking, outdoor sports. Suggested clothing: Light jacket, long-sleeved shirts, comfortable shoes.
  • Winter (December–February): Average -1.6–1.4°C, cold, with frequent snowfall; December has the most rainfall. January and February have the lowest temperatures and strong winds. Common activities: Skiing, ice skating, indoor activities. Suggested clothing: Warm coat, hat, scarf, gloves, waterproof boots.
Massachusetts climatological average

Annual average temperature: approx. 11°C / Annual rainfall: approx. 1362 mm / Summer humidity: 65%–75% / Rainiest month: December

Massachusetts monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-1.6°C
147.7
February
0.1°C
70.3
March
3.7°C
138.7
April
9.1°C
111
May
15.3°C
110
June
19.2°C
87.3
July
23.3°C
155.7
August
21.5°C
105
September
17.8°C
134
October
12.5°C
76.3
November
6.5°C
69.3
December
1.4°C
156.7
Massachusetts weather for the next seven days
10/18
Saturday
Sunny
17.8°C/5.9°C
10/19
Sunday
Partly Cloudy
20.9°C/9.5°C
10/20
Monday
Heavy rain
15.9°C/12.3°C
10/21
Tuesday
Sunny
16.7°C/9.4°C
10/22
Wednesday
Moderate rain
14.7°C/7.6°C
10/23
Thursday
Partly Cloudy
10.5°C/4.7°C
10/24
Friday
Sunny
10.1°C/2.9°C