Best year time to visit Harthaven

General weather information about Harthaven

Average annual temperature is 12.0 °C

Absolute maximum temperature: 31.2 °C

Absolute minimum temperature: -21.1 °C

Number of sunny days: 161 days

Number of rainy days: 202 days

Number of snow days: 2 days

Look at detailed online map of Harthaven

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

Harthaven air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.516.211.224.623.924.530.128.231.224.616.716.1
Average daytime temperature (°C)7.36.17.313.217.020.626.524.522.217.810.38.3
Average temperature (°C)4.52.54.39.813.417.323.021.419.414.77.15.7
Average night temperature (°C)1.7-1.21.46.910.414.620.218.917.212.24.13.2
Absolute minimum temperature (°C)-3.3-21.1-2.4-0.45.99.917.016.012.76.2-2.5-4.0

Harthaven 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)9.610.611.913.314.515.114.813.812.511.19.99.2
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.06.17.59.011.810.511.010.28.08.17.45.5
Precipitation (mm)2076981676167811051615439112
Sunny days7141516207101113132114
Rainy days24121614112321201718917
Snow days020000000000

Best time to visit Harthaven:

The best time to visit Harthaven during the most sunny months:

  • May — 11.8(h)
  • June — 10.5(h)
  • July — 11.0(h)

The largest precipitation sum in Harthaven is at

  • January — 207(mm)
  • September — 161(mm)
  • Frequently asked questions

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