Best year time to visit Grannis

General weather information about Grannis

Average annual temperature is 6.3 °C

Absolute maximum temperature: 34.4 °C

Absolute minimum temperature: -33.3 °C

Number of sunny days: 196 days

Number of rainy days: 110 days

Number of snow days: 59 days

Look at detailed online map of Grannis

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

Grannis air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)9.17.110.520.926.625.233.234.428.522.913.611.5
Average daytime temperature (°C)1.01.01.910.420.020.227.426.822.412.98.15.6
Average temperature (°C)-4.2-5.6-4.02.812.814.319.419.114.55.51.4-0.8
Average night temperature (°C)-7.8-10.8-8.4-3.26.18.811.412.47.80.5-2.7-4.5
Absolute minimum temperature (°C)-28.2-33.3-15.6-12.80.52.26.49.32.3-15.1-9.0-10.7

Grannis 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)9.110.411.913.514.915.715.314.112.510.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)6.47.57.310.111.810.813.311.210.27.76.96.4
Precipitation (mm)2634523642114173445531212
Sunny days18131414117211922162021
Rainy days32362023101281184
Snow days1013141000000426

Grannis - weather forecast by months

Grannis weather in januaryGrannis weather in februaryGrannis weather in marchGrannis weather in aprilGrannis weather in mayGrannis weather in juneGrannis weather in julyGrannis weather in augustGrannis weather in septemberGrannis weather in octoberGrannis weather in novemberGrannis weather in december

Best time to visit Grannis:

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

  • May — 11.8(h)
  • July — 13.3(h)

Months with the longest average daylight duration in Grannis:

  • June — 15.7(h)
  • July — 15.3(h)

The largest precipitation sum in Grannis is at

  • March — 52(mm)
  • June — 114(mm)
  • October — 53(mm)

    • Weather forecast in the closest to Grannis admin centers

    Weather forecast in the closest towns to Grannis

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    Frequently asked questions

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