Best year time to visit Harbor Isle

General weather information about Harbor Isle

Average annual temperature is 12.9 °C

Absolute maximum temperature: 29.1 °C

Absolute minimum temperature: -14.7 °C

Number of sunny days: 189 days

Number of rainy days: 172 days

Number of snow days: 4 days

Look at detailed online map of Harbor Isle

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

Harbor Isle air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.112.611.517.020.023.229.126.827.522.118.115.0
Average daytime temperature (°C)7.67.08.112.816.020.125.324.422.317.711.89.0
Average temperature (°C)5.34.05.210.613.918.223.722.520.015.48.46.6
Average night temperature (°C)3.21.22.78.711.616.422.020.618.013.35.84.6
Absolute minimum temperature (°C)-1.7-14.7-1.13.17.610.818.717.813.48.4-1.0-2.9

Harbor Isle 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)9.610.711.913.314.415.014.713.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.86.97.48.912.211.311.710.98.28.17.55.4
Precipitation (mm)12548131114326010914927013949184
Sunny days131714172414121113171918
Rainy days1891613716192017141013
Snow days021000000010

Best time to visit Harbor Isle:

The best time to visit Harbor Isle during the most sunny months:

  • May — 12.2(h)
  • June — 11.3(h)
  • July — 11.7(h)
  • August — 10.9(h)

The largest precipitation sum in Harbor Isle is at

  • August — 149(mm)
  • September — 270(mm)
  • December — 184(mm)
  • Frequently asked questions

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