Due to its northerly location, Uppsala experiences over 18 hours of visible sunshine during the summer solstice, and under 6 hours of sunshine during the winter solstice.

Despite Uppsala’s northerly location, the winter is not as cold as other cities at similar latitudes, mainly due to the Gulf Stream.

Winter normally arrives in late November, and lasts until the middle of March when spring arrives. Summer usually arrives in the middle of May, and lasts until late September when autumn arrives.

Precipitation is most common between June and November, in all these months it falls 50 mm or more on average. August receives most precipitation with 74 mm. Between January and May precipitation levels fall a bit, with all months receiving less than 40 mm (1.6 in) on average.

Annual precipitation is 576 mm. Rainfall can occur all year round, although it is less common in January and February.

Snowfall mainly occurs between November and March. Snowfall in October and April can happen from time to time, but not every year.