Get Exclusive App Deals

Barnstable County

Travel Info
More destinations

Barnstable County Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Barnstable County year round climate

  • Spring (March–May): Average 40–55°F, mild and rainy with occasional showers. March and April experience more rainfall. Common activities: Coastal walks, flower viewing. Suggested attire: Light jacket, comfortable long pants or skirt, rain gear.
  • Summer (June–August): Average 65–73°F, warm and humid with occasional showers. July is the warmest month. Common activities: Beach activities, water sports, outdoor picnics. Suggested attire: Light and breathable short-sleeved clothing, shorts, swimwear, sun hat.
  • Autumn (September–November): Average 55–64°F, comfortable and pleasant. September has the most rainfall. Common activities: Maple leaf viewing, hiking, seaside strolls. Suggested attire: Comfortable long-sleeved shirts, light jacket, comfortable pants.
  • Winter (December–February): Average 34–37°F, cold and dry with low probability of snowfall. December and January experience more rainfall. Common activities: Indoor activities, museum visits. Suggested attire: Warm coat, hat, scarf, gloves.

Barnstable County climatological average

Annual average temperature: approx. 51.8°F / Annual rainfall: approx. 1286 mm / Summer humidity: 65%–75% / Rainiest month: September

Barnstable County monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
34.5°F
118
February
34.9°F
55.7
March
40.8°F
125
April
47.8°F
133
May
55.9°F
84
June
65.1°F
52.7
July
73.9°F
119.7
August
71.4°F
129.3
September
64.8°F
168.7
October
55.4°F
76
November
46.2°F
80
December
37.9°F
144.3

Barnstable County weather for the next seven days

3/21
Saturday
Patchy rain nearby
50.2°F/41.5°F
3/22
Sunday
Heavy rain
45.7°F/38°F
3/23
Monday
Heavy rain
36.5°F/32.5°F
3/24
Tuesday
Patchy rain nearby
37.1°F/32.2°F
3/25
Wednesday
Patchy rain nearby
44.2°F/35.1°F
3/26
Thursday
Patchy rain nearby
48.8°F/38.8°F
3/27
Friday
Patchy rain nearby
42.2°F/31.8°F