Best year time to visit Barnstable County

General weather information about Barnstable County

Average annual temperature is 12.2 °C

Absolute maximum temperature: 31.1 °C

Absolute minimum temperature: -22.4 °C

Number of sunny days: 166 days

Number of rainy days: 197 days

Number of snow days: 2 days

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* Weather data for Barnstable County United States is based on climate observations for 2026 year

Barnstable County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.716.012.126.724.024.130.729.731.124.616.815.4
Average daytime temperature (°C)7.46.17.413.717.620.426.424.822.517.910.48.3
Average temperature (°C)4.72.54.610.113.917.223.321.819.714.87.25.8
Average night temperature (°C)1.9-1.31.77.110.814.620.819.117.412.14.23.3
Absolute minimum temperature (°C)-3.2-22.4-1.40.26.99.317.916.812.76.8-2.4-3.6

Barnstable County monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.611.913.314.515.114.913.812.511.19.99.2
Daylight minimum duration (h)9.010.011.012.014.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.05.86.98.911.710.210.49.87.97.97.25.0
Precipitation (mm)229679769557082841525441125
Sunny days61215152111131213132114
Rainy days25141615101918191718917
Snow days020000000000

Barnstable County - weather forecast by months

Barnstable County weather in januaryBarnstable County weather in februaryBarnstable County weather in marchBarnstable County weather in aprilBarnstable County weather in mayBarnstable County weather in juneBarnstable County weather in julyBarnstable County weather in augustBarnstable County weather in septemberBarnstable County weather in octoberBarnstable County weather in novemberBarnstable County weather in december

Best time to visit Barnstable County:

The best time to visit Barnstable County during the most sunny months:

  • May — 11.7(h)
  • June — 10.2(h)
  • July — 10.4(h)

The largest precipitation sum in Barnstable County is at

  • January — 229(mm)
  • September — 152(mm)
  • December — 125(mm)

    • Weather forecast in the closest to Barnstable County admin centers

    Weather forecast in the closest towns to Barnstable County

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    Frequently asked questions

    When is the best time to visit Barnstable County?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Barnstable County.
    What is the weather like in Barnstable County?
    See average temperature, rainfall and daylight hours for Barnstable County by month in the table above.
    How many sunny days does Barnstable County have?
    The monthly weather statistics above show sunshine and rainfall patterns for Barnstable County throughout the year.