Sodermanland is one of several regions in Sweden, with temperatures that range from 2°C (36°F) in January to 22°C (72°F) during the peak of July. We've based our full climate overview on data from Nyköping, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Sodermanland, during the months of July and August you can expect comfortable weather, with average temperatures ranging from 21°C (70°F) to 22°C (72°F).
The cooler season is during the months of January, February, March, April, November and December.
Precipitation in Sodermanland shows some seasonal variation. You'll find the most rain in July (75 mm (3 in)), while March tends to be drier (37 mm (1.5 in)).