If you're looking for summer vibes, the best time to travel to Uppsala is in July, August and June, when the average temperature reaches 17.49 °C, while July, May and June are the 3 sunniest months of the year, with an average of 157.73 hours.
However, if you prefer colder temperatures, make sure you visit Uppsala during January, February or December to experience an average of -4.02 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during January, February and March, when the average precipitation in Uppsala is 2.48 mm, while the months of January, February and March are drier, with an average of 0 mm.