Climate - Kemi (Finland)

The climate of Kemi is cold continental, with freezing winters and mild summers.
The city is located in central-northern Finland, in the northernmost part of the Gulf of Bothnia (known as Perämeri) which can freeze in winter.
We are at the 65th parallel, therefore just below the Arctic Circle. The white nights, when it is not completely dark even at midnight, occur from April 23 to August 21.
In winter, there can be cold spells of arctic origin, while in summer, there can be short hot periods. At the Kemi Airport, the temperature dropped to -41 °C (-42 °F) in January 1999, while it reached 31.5 °C (89 °F) in July 2019.
The average temperature of the coldest month (January) is of -11.2 °C (12 °F), that of the warmest month (July) is of 15.5 °C (60 °F). Here are the average temperatures.

Precipitation amounts to 585 millimeters (23 inches) per year: so, it is at an intermediate level. It ranges from 30 mm (1.2 in) in the driest month (April) to 70 mm (2.8 in) in the wettest (July). Here is the average precipitation.

The sea temperature ranges between -1 °C (30 °F) and 15 °C (59 °F). So, it is cold all year round. It is useful to recall that sea water freezes at about -2 °C (28.5 °F). Here are the average sea temperatures.

Best Time

The best time to visit Kemi 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.