, with cold winters, during which the average temperature is a few degrees below freezing, and mild to pleasantly warm summers.
The city is located in the south-west of Finland.
, when it doesn't get completely dark even at midnight, occur from 11 May to 3 August.
, there can be cold spells of arctic origin. The coldest record is -35.2 °C (-31.4 °F) and was set in February 1966.
, there can be short hot periods. The highest record is 32.4 °C (90.3 °F) and was set in July 2019.
, 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 very cold month. The average temperature is of
-3,3 °C, with a minimum of
-6 °C and a maximum of
-0,6 °C.
On the coldest nights of the month, the temperature usually drops to around
-20 °C. However, it dropped to
-29 °C in January 2013.
On the warmest days of the month, the temperature usually reaches around
5,5 °C. However, it reached
9 °C in January 2020.
Precipitation amounts to
60 mm, distributed over 11 days.
The day lasts on average 6 hours and 40 minutes.
There are on average 1,5 hours of sunshine per day. So, the sun shines 19% of the time.
The average humidity is 91%. Hence, the air is normally humid.
The average wind speed is of
12,5 kph.
The average sea temperature is of
2,9 °C. Therefore, the sea is very cold for swimming.
February, the coldest month of the year, is generally a very cold month. The average temperature is of
-4,7 °C, with a minimum of
-7,8 °C and a maximum of
-1,7 °C.
On the coldest nights of the month, the temperature usually drops to around
-19,5 °C. However, it dropped to
-28 °C in February 2007.
On the warmest days of the month, the temperature usually reaches around
4,5 °C. However, it reached
8 °C in February 2006.
Precipitation amounts to
40 mm, distributed over 9 days.
The day lasts on average 9 hours and 10 minutes.
There are on average 2,5 hours of sunshine per day. So, the sun shines 29% of the time.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is of
11,7 kph.
The average sea temperature is of
1,6 °C. Therefore, the sea is very cold for swimming.
March is generally a very cold month. The average temperature is of
-1,1 °C, with a minimum of
-4,7 °C and a maximum of
2,4 °C.
On the coldest nights of the month, the temperature usually drops to around
-15 °C. However, it dropped to
-23 °C in March 2013.
On the warmest days of the month, the temperature usually reaches around
9,5 °C. However, it reached
16 °C in March 2007.
Precipitation amounts to
40 mm, distributed over 8 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 4,5 hours of sunshine per day. So, the sun shines 36% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
11,8 kph.
The average sea temperature is of
1,4 °C. Therefore, the sea is very cold for swimming.
April is generally a quite cold month. The average temperature is of
4,5 °C, with a minimum of
-0,1 °C and a maximum of
9,2 °C.
On the coldest nights of the month, the temperature usually drops to around
-6,5 °C. However, it dropped to
-12 °C in April 2013.
On the warmest days of the month, the temperature usually reaches around
17,5 °C. However, it reached
24,5 °C in April 1993.
Precipitation amounts to
35 mm, distributed over 8 days.
The day lasts on average 14 hours and 40 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 70%.
The average wind speed is of
11,6 kph.
The average sea temperature is of
2,6 °C. Therefore, the sea is very cold for swimming.
May is generally a mild month. The average temperature is of
9,9 °C, with a minimum of
4,6 °C and a maximum of
15,3 °C.
On the coldest nights of the month, the temperature usually drops to around
-2,5 °C. However, it dropped to
-6 °C in May 2007.
On the warmest days of the month, the temperature usually reaches around
24,5 °C. However, it reached
30 °C in May 1995.
Precipitation amounts to
35 mm, distributed over 7 days.
The day lasts on average 17 hours and 25 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 63%.
The average wind speed is of
11,8 kph.
The average sea temperature is of
5,7 °C. Therefore, the sea is very cold for swimming.
June is generally a mild month. The average temperature is of
14,5 °C, with a minimum of
9,4 °C and a maximum of
19,6 °C.
On the coldest nights of the month, the temperature usually drops to around
2,5 °C. However, it dropped to
-2 °C in June 1991.
On the warmest days of the month, the temperature usually reaches around
26 °C. However, it reached
31 °C in June 2011.
Precipitation amounts to
60 mm, distributed over 9 days.
The day lasts on average 18 hours and 55 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
There are on average 9 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 67%.
The average wind speed is of
11,5 kph.
The average sea temperature is of
11 °C. Therefore, the sea is very cold for swimming.
July, the warmest month of the year, is generally a very mild month. The average temperature is of
17,7 °C, with a minimum of
12,7 °C and a maximum of
22,6 °C.
On the coldest nights of the month, the temperature usually drops to around
6 °C. However, it dropped to
0 °C in July 2019.
On the warmest days of the month, the temperature usually reaches around
28,5 °C. However, it reached
32,4 °C in July 2019.
Precipitation amounts to
75 mm, distributed over 9 days.
The day lasts on average 18 hours and 0 minutes.
There are on average 9,5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 70%.
The average wind speed is of
10,9 kph.
The average sea temperature is of
16,2 °C. Therefore, the sea is cold for swimming.
August is generally a very mild month. The average temperature is of
16,5 °C, with a minimum of
11,8 °C and a maximum of
21,2 °C.
On the coldest nights of the month, the temperature usually drops to around
4 °C. However, it dropped to
1,8 °C in August 2007.
On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
31,1 °C in August 2003.
Precipitation amounts to
75 mm, distributed over 10 days.
The day lasts on average 15 hours and 30 minutes.
There are on average 7,5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
10,4 kph.
The average sea temperature is of
17,4 °C. Therefore, the sea is cold for swimming.
September is generally a mild month. The average temperature is of
11,4 °C, with a minimum of
7,3 °C and a maximum of
15,4 °C.
On the coldest nights of the month, the temperature usually drops to around
-1 °C. However, it dropped to
-5 °C in September 2002.
On the warmest days of the month, the temperature usually reaches around
21,5 °C. However, it reached
25 °C in September 2018.
Precipitation amounts to
60 mm, distributed over 9 days.
The day lasts on average 12 hours and 50 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
10,8 kph.
The average sea temperature is of
14,6 °C. Therefore, the sea is very cold for swimming.
October is generally a quite cold month. The average temperature is of
5,7 °C, with a minimum of
2,8 °C and a maximum of
8,5 °C.
On the coldest nights of the month, the temperature usually drops to around
-6,5 °C. However, it dropped to
-15 °C in October 1992.
On the warmest days of the month, the temperature usually reaches around
14,5 °C. However, it reached
18,8 °C in October 2005.
Precipitation amounts to
75 mm, distributed over 11 days.
The day lasts on average 10 hours and 0 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 29% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is of
11,4 kph.
The average sea temperature is of
10,8 °C. Therefore, the sea is very cold for swimming.
November is generally a cold month. The average temperature is of
0,8 °C, with a minimum of
-1,4 °C and a maximum of
3 °C.
On the coldest nights of the month, the temperature usually drops to around
-10 °C. However, it dropped to
-19,8 °C in November 2010.
On the warmest days of the month, the temperature usually reaches around
9,5 °C. However, it reached
14 °C in November 2020.
Precipitation amounts to
70 mm, distributed over 12 days.
The day lasts on average 7 hours and 25 minutes.
There are on average 1,5 hours of sunshine per day. So, the sun shines 17% of the time.
The average humidity is 91%. Hence, the air is normally humid.
The average wind speed is of
12,3 kph.
The average sea temperature is of
7,5 °C. Therefore, the sea is very cold for swimming.
December is generally a very cold month. The average temperature is of
-2,1 °C, with a minimum of
-4,6 °C and a maximum of
0,4 °C.
On the coldest nights of the month, the temperature usually drops to around
-14,5 °C. However, it dropped to
-27,5 °C in December 1996.
On the warmest days of the month, the temperature usually reaches around
6,5 °C. However, it reached
12 °C in December 1993.
Precipitation amounts to
70 mm, distributed over 12 days.
The day lasts on average 5 hours and 55 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There is an average of 1 hour of sunshine per day. So, the sun shines 15% of the time.
The average humidity is 91%. Hence, the air is normally humid.
The average wind speed is of
12,7 kph.
The average sea temperature is of
4,9 °C. Therefore, the sea is very cold for swimming.