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 it is often frozen in winter.
, when it doesn't get completely dark even at midnight, occur from 2 May to 12 August.
, there can be cold spells of arctic origin. The coldest record is -39.3 °C (-38.7 °F) and was set in January 1987.
, there can be short hot periods. The highest record is 33.8 °C (92.8 °F) and was set in July 2010.
, 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.
. Here are the average temperatures.
January is generally a freezing cold month. The average temperature is of
-8.2 °C, with a minimum of
-11.2 °C and a maximum of
-5.2 °C.
On the coldest nights of the month, the temperature usually drops to around
-26 °C. However, it dropped to
-34.7 °C in January 2003.
On the warmest days of the month, the temperature usually reaches around
3 °C. However, it reached
7.9 °C in January 2020.
Precipitation amounts to
50 mm, distributed over 12 days.
The day lasts on average 6 hours and 0 minutes. So the days are short.
The average humidity is 90%. Hence, the air is normally humid.
The average wind speed is of
11.9 kph.
February, the coldest month of the year, is generally a freezing cold month. The average temperature is of
-8.4 °C, with a minimum of
-11.8 °C and a maximum of
-4.9 °C.
On the coldest nights of the month, the temperature usually drops to around
-26 °C. However, it dropped to
-36.6 °C in February 1994.
On the warmest days of the month, the temperature usually reaches around
2.5 °C. However, it reached
6.2 °C in February 2015.
Precipitation amounts to
40 mm, distributed over 10 days.
The day lasts on average 8 hours and 50 minutes.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is of
11.5 kph.
March is generally a very cold month. The average temperature is of
-3.7 °C, with a minimum of
-7.6 °C and a maximum of
0.2 °C.
On the coldest nights of the month, the temperature usually drops to around
-19 °C. However, it dropped to
-26.5 °C in March 1998.
On the warmest days of the month, the temperature usually reaches around
7.5 °C. However, it reached
13.2 °C in March 2007.
Precipitation amounts to
35 mm, distributed over 9 days.
The day lasts on average 11 hours and 55 minutes.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
12.4 kph.
April is generally a cold month. The average temperature is of
2.5 °C, with a minimum of
-1.7 °C and a maximum of
6.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-10.5 °C. However, it dropped to
-19.9 °C in April 1998.
On the warmest days of the month, the temperature usually reaches around
15.5 °C. However, it reached
21.9 °C in April 2001.
Precipitation amounts to
30 mm, distributed over 7 days.
The day lasts on average 15 hours and 5 minutes.
The average humidity is 70%.
The average wind speed is of
11.3 kph.
May is generally a mild month. The average temperature is of
9.4 °C, with a minimum of
4.6 °C and a maximum of
14.2 °C.
On the coldest nights of the month, the temperature usually drops to around
-2 °C. However, it dropped to
-5.9 °C in May 1995.
On the warmest days of the month, the temperature usually reaches around
23.5 °C. However, it reached
28.6 °C in May 2014.
Precipitation amounts to
50 mm, distributed over 9 days.
The day lasts on average 18 hours and 5 minutes. So the days are very long.
The average humidity is 63%.
The average wind speed is of
11.3 kph.
June is generally a very mild month. The average temperature is of
14.7 °C, with a minimum of
10.5 °C and a maximum of
19 °C.
On the coldest nights of the month, the temperature usually drops to around
4.5 °C. However, it dropped to
1.6 °C in June 2009.
On the warmest days of the month, the temperature usually reaches around
26.5 °C. However, it reached
31.1 °C in June 2020.
Precipitation amounts to
75 mm, distributed over 10 days.
The day lasts on average 20 hours and 0 minutes. So the days are very long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
The average humidity is 65%.
The average wind speed is of
11.6 kph.
July, the warmest month of the year, is generally a very mild month. The average temperature is of
17.8 °C, with a minimum of
13.7 °C and a maximum of
21.8 °C.
On the coldest nights of the month, the temperature usually drops to around
8.5 °C. However, it dropped to
5.8 °C in July 2009.
On the warmest days of the month, the temperature usually reaches around
28 °C. However, it reached
33.8 °C in July 2010.
Precipitation amounts to
90 mm, distributed over 11 days.
The day lasts on average 18 hours and 55 minutes. So the days are very long.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is of
10.7 kph.
August is generally a very mild month. The average temperature is of
15.9 °C, with a minimum of
12.2 °C and a maximum of
19.5 °C.
On the coldest nights of the month, the temperature usually drops to around
7 °C. However, it dropped to
4.6 °C in August 2007.
On the warmest days of the month, the temperature usually reaches around
26 °C. However, it reached
33.2 °C in August 2010.
Precipitation amounts to
75 mm, distributed over 11 days.
The day lasts on average 16 hours and 0 minutes. So the days are long.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
11 kph.
September is generally a mild month. The average temperature is of
10.5 °C, with a minimum of
7.6 °C and a maximum of
13.5 °C.
On the coldest nights of the month, the temperature usually drops to around
1.5 °C. However, it dropped to
-1.7 °C in September 1993.
On the warmest days of the month, the temperature usually reaches around
20 °C. However, it reached
24.1 °C in September 2019.
Precipitation amounts to
50 mm, distributed over 10 days.
The day lasts on average 12 hours and 55 minutes.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
12.1 kph.
October is generally a quite cold month. The average temperature is of
4.1 °C, with a minimum of
2 °C and a maximum of
6.2 °C.
On the coldest nights of the month, the temperature usually drops to around
-5.5 °C. However, it dropped to
-13.2 °C in October 1992.
On the warmest days of the month, the temperature usually reaches around
12.5 °C. However, it reached
19.1 °C in October 2018.
Precipitation amounts to
55 mm, distributed over 11 days.
The day lasts on average 9 hours and 50 minutes.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is of
13.3 kph.
November is generally a very cold month. The average temperature is of
-1.2 °C, with a minimum of
-3.1 °C and a maximum of
0.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-12 °C. However, it dropped to
-27.6 °C in November 2002.
On the warmest days of the month, the temperature usually reaches around
7 °C. However, it reached
11.1 °C in November 2005.
Precipitation amounts to
50 mm, distributed over 10 days.
The day lasts on average 6 hours and 50 minutes. So the days are short.
The average humidity is 91%. Hence, the air is normally humid.
The average wind speed is of
13.9 kph.
December is generally a freezing cold month. The average temperature is of
-5.2 °C, with a minimum of
-7.7 °C and a maximum of
-2.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-21 °C. However, it dropped to
-32 °C in December 2002.
On the warmest days of the month, the temperature usually reaches around
3.5 °C. However, it reached
8.6 °C in December 2015.
Precipitation amounts to
55 mm, distributed over 11 days.
The day lasts on average 5 hours and 0 minutes. So the days are short. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 91%. Hence, the air is normally humid.
The average wind speed is of
13.2 kph.