ClimateForecastDecemberJanuary >>

Gran Climate by Month

The climate in Gran is marked by big temperature swings throughout the year. Temperatures range from pleasant during the warmest months to very cold in the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

In Gran, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a pleasant 21°C in July to a very cold -2°C in January. Nighttime temperatures can drop, with averages reaching -8°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Gran experiences significant rain/snowfall throughout the year, averaging 1007 mm of precipitation annually. The seasons in Gran, bring significant changes in precipitation. The wettest month, August, receives high rainfall, with an average of 120 mm of precipitation. This rainfall is distributed across 17 rainy days.

In contrast, the driest month, March, experiences much less snow/rainfall, totaling 54 mm over 14 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

In Gran, summer days are longer and more sunny, with daily sunshine hours peaking at 8.0 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.3 hours per average day.

Monthly hours of sunshine

Data from: Oslo, Norway (33 KM, 21 Miles).

Daily hours of sunshine

Data from: Oslo, Norway (33 KM, 21 Miles).

The best time of year to visit Gran in Norway

Other facts from our historical weather data:
  • When is winter in Gran?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Gran?
    July has an average maximum temperature of 21°C and is the warmest month of the year.
  • Which is the coldest month in Gran?
    The coldest month is January with an average maximum temperature of -2°C.
  • Which is the wettest month in Gran?
    August tops the wettest month list with 120 mm of rainfall.
  • Which is the driest month in Gran?
    March is the driest month with 54 mm of precipitation.
  • Which is the sunniest month in Gran?
    May is the sunniest month with an average of 241 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Gran

    Sun   Dec 15
    5°C | -6°C
    S 11 km/h
    7.4 mm
    overcast and snow

    overcast and snow

    Mon   Dec 16
    4°C | -1°C
    SW 22 km/h
    0.2 mm
    broken clouds and  chance of slight rain

    broken clouds and chance of slight rain

    Tue   Dec 17
    1°C | -5°C
    W 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain