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Gran Weather and Climate: A Comprehensive Guide

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 maximum day and minimum 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 average lows reaching -8°C in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

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. For more details, please visit our Gran Precipitation page.

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.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

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

Daily hours of sunshine

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

Forecast for Gran

Sunday
23 Feb
Clear sky
Clear sky
2°C
0 mm
Monday
24 Feb
Light rain
Light rain
3°C
5.3 mm
Tuesday
25 Feb
Partly cloudy
Partly cloudy
6°C
0 mm

Select a Month of Interest

Check the conditions for any month of the year.

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.