Sarpsborg Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sarpsborg.
Climate overview of Sarpsborg
Sarpsborg, Østfold, Norway, experiences significant temperature variation throughout the year. Summers bring daytime highs of 23°C (73°F) in July, while winters cool to 3°C (37°F) in January.
Sarpsborg sees a moderate amount of rain/snowfall, totalling around 913 mm (36 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. Sunshine peaks in May, when the city sees around 8.0 hours of sunshine per day.
Sarpsborg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sarpsborg - and find the best time to visit.
Monthly Temperature in Sarpsborg
Depending on the time of the year, temperatures range from comfortable to chilly in Sarpsborg. Average maximum daytime temperatures range from a comfortable 23°C (73°F) in July, the warmest time of the year, to a chilly 3°C (37°F) during cooler months like January.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around -4°C (25°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sarpsborg
Generally, Sarpsborg has a moderate amount of precipitation, averaging 913 mm (36 in) of rain/snowfall annually. While rainfall varies throughout the year, each season offers its own charm. August brings wetter days averaging 96 mm (3.8 in) of precipitation, spread over 16 rainy days.
In contrast, the driest month March experiences a drier climate, with about 48 mm (1.9 in) of snow/rainfall spread across 14 snowy/rainy days. For more details, please visit our Sarpsborg 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 Sarpsborg
Seasonal changes in sunshine hours are quite dramatic in Sarpsborg. 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 1.4 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Sarpsborg by Month
The relative humidity is high throughout the year in Sarpsborg.
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 Sarpsborg
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: May, June and July
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Sarpsborg
What is the best time to visit Sarpsborg?
June, July and August typically offer the most optimal weather in Sarpsborg. In contrast, January, February, March, November and December tend to have less optimal conditions. Sarpsborg has warm summers and cold winters.
What temperatures can I expect in Sarpsborg?
Daytime highs range from 3°C (37°F) in January to 23°C (73°F) in July. Nighttime lows range from -4°C (25°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Sarpsborg get?
Annual rainfall is around 913 mm (36 in). August is the wettest month with 96 mm (3.8 in), while March is the driest with 48 mm (1.9 in).
How sunny is Sarpsborg?
Sarpsborg receives around 1,674 hours of sunshine per year. May is the sunniest month with 240 hours, while December is the cloudiest with just 41 hours.
Sarpsborg 3-Day Forecast
Sarpsborg on the map
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