The rugged landscape of the Norwegian fjords
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Gardermoen Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Gardermoen.
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Climate overview of Gardermoen
Temperatures in Gardermoen, Akershus, Norway, vary greatly throughout the year. July is the hottest month at 22°C (72°F), while January is the coldest at -1°C (30°F).
The city receives around 982 mm (39 in) of rain/snowfall per year. It experiences warm summers and very cold winters. August is the wettest month and March the driest. Sunshine peaks in May, when the city sees around 8.0 hours of sunshine per day.
Gardermoen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gardermoen - and find the best time to visit.
Monthly Temperature in Gardermoen
The climate in Gardermoen is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 22°C (72°F) in July to a very cold -1°C (30°F) in January.
Nighttime temperatures range from 11°C (52°F) in July to -7°C (19°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Gardermoen
Generally, Gardermoen receives mid-range precipitation levels, with 982 mm (39 in) annually. The amount of precipitation varies moderately throughout the year. The wettest month, August, sees around 112 mm (4.4 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, March, still receives a respectable 54 mm (2.1 in) of snow/rainfall. For more details, please visit our Gardermoen 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 Gardermoen
In Gardermoen, 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 (2 KM, 1 Miles).
Daily hours of sunshine
Data from: Oslo, Norway (2 KM, 1 Miles).
Water Temperature in Gardermoen
The mean water temperature over the year ranges from 2°C (36°F) in February to 16°C (61°F) in July.
Water temperature over the year
Data from: Oslo, Norway (2 KM, 1 Miles).
Humidity in Gardermoen by Month
The relative humidity is high throughout the year in Gardermoen.
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
Data from: Oslo, Norway (2 KM, 1 Miles).
Wind Speed in Gardermoen
The mean wind speed varies between 1 m/s (2 knots) and 2 m/s (4 knots) throughout the year. It is lowest in February and December and highest during January, March, April, May, June, July, August, September, October and November. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Oslo, Norway (2 KM, 1 Miles).
Best Time to Visit Gardermoen
Conditions in Gardermoen are generally most comfortable in June, July and August. They are typically least comfortable in January, February, March, April, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
cold
Mar
cold
Apr
cold
May
good
Jun
very good
Jul
very good
Aug
very good
Sep
good
Oct
cold
Nov
cold
Dec
cold
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: May, June and July
- Fewer rainy days: February, March, April, May and June
- Warmest water temperature: July and August, although the water may still feel cool.
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Gardermoen
What is the best time to visit Gardermoen?
June, July and August typically offer the most optimal weather in Gardermoen. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Gardermoen has warm summers and very cold winters.
What temperatures can I expect in Gardermoen?
Daytime highs range from -1°C (30°F) in January to 22°C (72°F) in July. Nighttime lows range from -7°C (19°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Gardermoen get?
Annual rainfall is around 982 mm (39 in). August is the wettest month with 112 mm (4.4 in), while March is the driest with 54 mm (2.1 in).
How sunny is Gardermoen?
Gardermoen receives around 1,676 hours of sunshine per year. May is the sunniest month with 241 hours, while December is the cloudiest with just 39 hours.
Gardermoen 3-Day Forecast
Gardermoen on the map
Gardermoen is highlighted - select any city to see its climate.
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Where to go in October - average daytime high across popular destinations.
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