The climate of Kuopio is cold continental, with freezing winters and mild summers.
The city is located in central Finland, in an area rich in lakes. In particular, it is surrounded by Lake Kallavesi, which makes summer nights milder (in fact, the minimum temperatures in summer are the same as those recorded in Helsinki, which is located on the coast), while in winter it is often frozen.
White nights occur from 2 May to 12 August.
In winter, during cold spells, the temperature can drop to -30 °C (-22 °F) and beyond. In January 1999, it fell to -39 °C (-38 °F), while in summer, it reached 32.5 °C (90.5 °F) in July 2010.
The average temperature of the coldest month (February) is of -9.4 °C (15 °F), that of the warmest month (July) is of 17.7 °C (64 °F). Here are the average temperatures.

Precipitation amounts to 630 millimeters (24.8 inches) per year: so, it is at an intermediate level. It ranges from 30 mm (1.2 in) in the driest month (April) to 80 mm (3.1 in) in the wettest (July). Here is the average precipitation.

Best Time

The best time to visit Kuopio is the summer, from June to August, since it is the mildest season. However, you must take into account some rainy days and a bit of cold at night.