Best year time to visit Grantsburg

General weather information about Grantsburg

Average annual temperature is 8.2 °C

Absolute maximum temperature: 35.0 °C

Absolute minimum temperature: -27.7 °C

Number of sunny days: 177 days

Number of rainy days: 150 days

Number of snow days: 38 days

Look at detailed online map of Grantsburg

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

Grantsburg air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.75.86.226.331.532.232.834.235.029.717.311.4
Average daytime temperature (°C)-3.6-1.21.810.523.027.927.027.024.114.26.13.8
Average temperature (°C)-7.1-7.0-3.04.615.921.521.221.318.69.91.70.1
Average night temperature (°C)-10.2-12.0-7.30.210.116.016.016.414.66.3-1.8-2.5
Absolute minimum temperature (°C)-24.5-27.7-15.8-9.50.18.612.111.15.9-5.5-14.0-11.2

Grantsburg monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.110.411.913.514.915.615.314.112.510.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.87.36.67.211.212.512.111.28.36.85.44.0
Precipitation (mm)5257561444081857316497858
Sunny days1617131115168189152118
Rainy days3761716142313211578
Snow days12412200000125

Grantsburg - weather forecast by months

Grantsburg weather in januaryGrantsburg weather in februaryGrantsburg weather in marchGrantsburg weather in aprilGrantsburg weather in mayGrantsburg weather in juneGrantsburg weather in julyGrantsburg weather in augustGrantsburg weather in septemberGrantsburg weather in octoberGrantsburg weather in novemberGrantsburg weather in december

Best time to visit Grantsburg:

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

  • May — 11.2(h)
  • June — 12.5(h)
  • July — 12.1(h)
  • August — 11.2(h)

Months with the longest average daylight duration in Grantsburg:

  • June — 15.6(h)
  • July — 15.3(h)

The largest precipitation sum in Grantsburg is at

  • April — 144(mm)
  • September — 164(mm)
  • October — 97(mm)

    • Weather forecast in the closest to Grantsburg admin centers

    Weather forecast in the closest towns to Grantsburg

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    Frequently asked questions

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