Best year time to visit South Harpswell

General weather information about South Harpswell

Average annual temperature is 9.4 °C

Absolute maximum temperature: 27.9 °C

Absolute minimum temperature: -28.6 °C

Number of sunny days: 173 days

Number of rainy days: 171 days

Number of snow days: 21 days

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* Weather data for South Harpswell United States is based on climate observations for 2026 year

South Harpswell air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)9.48.77.819.519.423.425.823.627.922.413.412.5
Average daytime temperature (°C)4.22.74.98.414.016.122.120.919.515.38.15.6
Average temperature (°C)1.4-1.22.36.411.214.320.218.917.212.94.93.0
Average night temperature (°C)-0.7-4.40.04.89.113.018.917.215.410.92.61.0
Absolute minimum temperature (°C)-6.3-28.6-3.0-0.95.38.115.414.49.83.2-3.9-7.2

South Harpswell monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.511.913.414.715.415.114.012.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.36.87.97.911.58.89.810.08.87.36.84.8
Precipitation (mm)17641911221141511681491007860139
Sunny days1112171521891118162213
Rainy days156915102222201215817
Snow days5105000000001

South Harpswell - weather forecast by months

South Harpswell weather in januarySouth Harpswell weather in februarySouth Harpswell weather in marchSouth Harpswell weather in aprilSouth Harpswell weather in maySouth Harpswell weather in juneSouth Harpswell weather in julySouth Harpswell weather in augustSouth Harpswell weather in septemberSouth Harpswell weather in octoberSouth Harpswell weather in novemberSouth Harpswell weather in december

Best time to visit South Harpswell:

The best time to visit South Harpswell during the most sunny months:

  • May — 11.5(h)
  • August — 10.0(h)

Months with the longest average daylight duration in South Harpswell:

  • June — 15.4(h)

The largest precipitation sum in South Harpswell is at

  • January — 176(mm)
  • June — 151(mm)
  • July — 168(mm)
  • August — 149(mm)

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    Frequently asked questions

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