Weather in Oslo – When to Go, Best Time to Visit

The city of Oslo has a humid continental climate with relatively mild temperatures.

Surprisingly, thanks to the the Gulf Stream, Oslo enjoys moderate winters, with less extreme temperatures than one might expect at that latitude (60º N) and when compared to neighbouring destinations.

Summer is the height of the tourist season, and in midsummer, during the months of June and July, daylight lasts about 18 hours. On the other hand, winters in Oslo are dark – daylight lasts less than 6 hours in December and January.

Seasonal Temperatures

Average winter temperatures range from -5 to 1ºC (23 to 32ºF). The coldest months are January and February with an average temperature of -3ºC (37ºF). Snow is in abundance, making the city a place for winter sports.

In summer, the average high is between 20 – 22ºC (68 – 72ºF), while the average low varies between 11 – 13ºC (52 – 55ºF). The warmest month is July, with an average high of 22ºC (72ºF).

Rainfall

Rainfall is fairly evenly distributed throughout the the year. The wettest period is between July and November (averaging 11 rainy days per month). Technically, the driest season is February through April (8 rainy days per month), but there’s plenty of water thanks to the melting snow.

Temperature and rainfall chart – Oslo, Norway

When to Go

The best time to visit Oslo is between May and September when temperatures rise, and highs are between 17 – 22ºC (61 – 72ºF). Nights can be cool though, so take at least one warm piece of clothing along with one of those foldable umbrellas.

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