Best year time to visit Threemile Harbor

General weather information about Threemile Harbor

Average annual temperature is 12.8 °C

Absolute maximum temperature: 31.5 °C

Absolute minimum temperature: -18.0 °C

Number of sunny days: 177 days

Number of rainy days: 186 days

Number of snow days: 2 days

Look at detailed online map of Threemile Harbor

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

Threemile Harbor air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.816.612.922.823.425.630.628.831.524.518.316.4
Average daytime temperature (°C)8.06.78.213.617.721.627.825.722.918.811.29.2
Average temperature (°C)5.33.65.110.514.118.124.022.420.015.37.96.6
Average night temperature (°C)3.10.32.57.911.115.521.119.717.712.75.14.2
Absolute minimum temperature (°C)-1.8-18.0-1.82.56.99.316.417.413.18.0-0.7-2.9

Threemile Harbor 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)9.610.611.913.314.515.114.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.06.67.48.412.111.311.510.37.58.37.15.7
Precipitation (mm)15459122966553711532367238137
Sunny days10131615221291215152117
Rainy days2113151591822191516914
Snow days020000000000

Threemile Harbor - weather forecast by months

Threemile Harbor weather in januaryThreemile Harbor weather in februaryThreemile Harbor weather in marchThreemile Harbor weather in aprilThreemile Harbor weather in mayThreemile Harbor weather in juneThreemile Harbor weather in julyThreemile Harbor weather in augustThreemile Harbor weather in septemberThreemile Harbor weather in octoberThreemile Harbor weather in novemberThreemile Harbor weather in december

Best time to visit Threemile Harbor:

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

  • May — 12.1(h)
  • June — 11.3(h)
  • July — 11.5(h)

The largest precipitation sum in Threemile Harbor is at

  • January — 154(mm)
  • August — 153(mm)
  • September — 236(mm)
  • December — 137(mm)

    • Weather forecast in the closest to Threemile Harbor admin centers

    Weather forecast in the closest towns to Threemile Harbor

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    Frequently asked questions

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