Climate and Weather of Oslo County, Norway

In Norway you have several regions, one of which is called Oslo County. The most popular city in this region is Oslo, whose climate data we'll examine to provide you with an overview of what weather to expect in Oslo County. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

Oslo County offers pleasant conditions in June, July and August, with temperatures typically ranging from 20°C to 22°C.

Oslo County reaches its peak temperature in July, hitting 22°C, while February brings cooler conditions with daytime highs of 0°C.

The colder period typically falls in the months of January, February, March, October, November and December.

When it comes to rainfall, Oslo County experiences moderate variations in precipitation across the seasons. You can expect around 112 mm of rain in August, dropping to 53 mm in March.

Visitors hoping to maximize their time in the sun should consider planning their trip for May, when daylight hours are at their peak.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Oslo County, Norway?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.