Gran Weather & Climate: Best Time to Visit
The climate in Gran, Oppland, Norway, is marked by large temperature swings across the seasons, ranging from 21°C (70°F) in July to -2°C (28°F) in January.
The city has a wet climate, receiving around 1007 mm (40 in) of rain/snowfall per year. August is the wettest month. The sunniest month is May, with 8.0 hours of sunshine per day on average.
Monthly Temperature in Gran
In Gran, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a pleasant 21°C (70°F) in July to a very cold -2°C (28°F) in January.
Nighttime temperatures range from 11°C (52°F) in July to -8°C (18°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Gran
Gran experiences significant rain/snowfall throughout the year, averaging 1007 mm (40 in) 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 (4.7 in) of precipitation. This rainfall is distributed across 17 rainy days.
In contrast, the driest month, March, experiences much less snow/rainfall, totaling 54 mm (2.1 in) 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
The average number of days each month with precipitation
Sunshine Hours in Gran
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
Daily hours of sunshine
Humidity in Gran by Month
The relative humidity is high throughout the year in Gran.
The city experiences its highest humidity in November, reaching 86%. In May, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Gran 3-Day Forecast
Check the conditions for any month of the year.
