Lillestrøm Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Lillestrøm.
Climate overview of Lillestrøm
Temperatures in Lillestrøm, Akershus, Norway, vary greatly throughout the year. July is the hottest month at 23°C (73°F), while January is the coldest at 0°C (32°F).
Lillestrøm sees a moderate amount of rain/snowfall, totalling around 954 mm (38 in) per year. It experiences warm summers and very cold winters, creating some seasonal variation. The most sunshine falls in May, with an average of 8.0 hours of daily sunshine.
Lillestrøm Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lillestrøm - and find the best time to visit.
Monthly Temperature in Lillestrøm
The climate in Lillestrøm is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 23°C (73°F) in July, the warmest time of the year, to a very cold 0°C (32°F) during cooler months like January.
At night, you can expect temperatures ranging from 12°C (54°F) in July to around -6°C (21°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Lillestrøm
Generally, Lillestrøm receives mid-range precipitation levels, with 954 mm (38 in) annually. While rainfall varies throughout the year, each season offers its own charm. August brings wetter days averaging 107 mm (4.2 in) of precipitation, spread over 16 rainy days.
In contrast, the driest month March experiences a drier climate, with about 52 mm (2 in) of snow/rainfall spread across 14 snowy/rainy days. For more details, please visit our Lillestrøm 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 Lillestrøm
Seasonal changes in sunshine hours are quite dramatic in Lillestrøm. While May receives considerable daily sunshine with up to 8.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Lillestrøm by Month
The relative humidity is high throughout the year in Lillestrøm.
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
Best Time to Visit Lillestrøm
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June and July
- Warmest weather: July and August
- Most sunshine: May, June and July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Lillestrøm
What is the best time to visit Lillestrøm?
June and July typically offer the most optimal weather in Lillestrøm. In contrast, January, February, March, October, November and December tend to have less optimal conditions. Lillestrøm has warm summers and very cold winters.
What temperatures can I expect in Lillestrøm?
Daytime highs range from 0°C (32°F) in January to 23°C (73°F) in July. Nighttime lows range from -6°C (21°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Lillestrøm get?
Annual rainfall is around 954 mm (38 in). August is the wettest month with 107 mm (4.2 in), while March is the driest with 52 mm (2 in).
How sunny is Lillestrøm?
Lillestrøm 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.
Lillestrøm 3-Day Forecast
Lillestrøm on the map
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