, with cold winters, during which the average temperature is a few degrees below freezing, and mild summers.
The city is located in south-central Sweden, on the Gulf of Bothnia coast, north-west of Stockholm.
, in which the sun sets but it does not get completely dark even at midnight, occur from May 9 to August 3.
, during polar cold spells, the temperature can drop to -25 °C (-13 °F) or below. The coldest record is -33.7 °C (-28.7 °F) and was set in February 1956.
, the temperature can reach 28/30 °C (82/86 °F). The highest record is 34 °C (93.2 °F) and was set in August 1982 and in July 1994.
, 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, the coldest month of the year, is generally a very cold month. The average temperature is of
-3.3 °C, with a minimum of
-6.5 °C and a maximum of
0 °C.

On the coldest nights of the month, the temperature usually drops to around
-19 °C. However, it dropped to
-30.4 °C in January 2010.

On the warmest days of the month, the temperature usually reaches around
6.5 °C. However, it reached
10.7 °C in January 1992.

Precipitation amounts to
30 mm, distributed over 8 days.
The day lasts on average 6 hours and 40 minutes. So the days are short.

The average sea temperature is of
2.3 °C. Therefore, the sea is very cold for swimming.
February is generally a very cold month. The average temperature is of
-3 °C, with a minimum of
-6.6 °C and a maximum of
0.7 °C.

On the coldest nights of the month, the temperature usually drops to around
-18.5 °C. However, it dropped to
-29.4 °C in February 2010.

On the warmest days of the month, the temperature usually reaches around
8 °C. However, it reached
11.5 °C in February 1998.

Precipitation amounts to
25 mm, distributed over 7 days.
The day lasts on average 9 hours and 5 minutes.

The average sea temperature is of
1.3 °C. Therefore, the sea is very cold for swimming.
March is generally a cold month. The average temperature is of
0.2 °C, with a minimum of
-4 °C and a maximum of
4.4 °C.

On the coldest nights of the month, the temperature usually drops to around
-14.5 °C. However, it dropped to
-25 °C in March 2001.

On the warmest days of the month, the temperature usually reaches around
13 °C. However, it reached
18.3 °C in March 2007.

Precipitation amounts to
25 mm, distributed over 6 days.
The day lasts on average 11 hours and 55 minutes.

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
4.7 °C, with a minimum of
-0.2 °C and a maximum of
9.5 °C.

On the coldest nights of the month, the temperature usually drops to around
-6.5 °C. However, it dropped to
-12.8 °C in April 2013.

On the warmest days of the month, the temperature usually reaches around
18.5 °C. However, it reached
27.1 °C in April 1993.

Precipitation amounts to
30 mm, distributed over 6 days.
The day lasts on average 14 hours and 50 minutes.

The average sea temperature is of
2.3 °C. Therefore, the sea is very cold for swimming.
May is generally a mild month. The average temperature is of
9.6 °C, with a minimum of
4.1 °C and a maximum of
15.1 °C.

On the coldest nights of the month, the temperature usually drops to around
-2.5 °C. However, it dropped to
-5.6 °C in May 2017.

On the warmest days of the month, the temperature usually reaches around
24 °C. However, it reached
30.1 °C in May 2014.

Precipitation amounts to
40 mm, distributed over 7 days.
The day lasts on average 17 hours and 25 minutes. So the days are very long.

The average sea temperature is of
5.1 °C. Therefore, the sea is very cold for swimming.
June is generally a mild month. The average temperature is of
13.8 °C, with a minimum of
8.5 °C and a maximum of
19 °C.

On the coldest nights of the month, the temperature usually drops to around
2.5 °C. However, it dropped to
-0.3 °C in June 2009.

On the warmest days of the month, the temperature usually reaches around
26 °C. However, it reached
30.1 °C in June 2008.

Precipitation amounts to
65 mm, distributed over 9 days.
The day lasts on average 19 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 sea temperature is of
10.3 °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
16.7 °C, with a minimum of
11.4 °C and a maximum of
22 °C.

On the coldest nights of the month, the temperature usually drops to around
5.5 °C. However, it dropped to
2.3 °C in July 1996.

On the warmest days of the month, the temperature usually reaches around
28.5 °C. However, it reached
33.8 °C in July 1994.

Precipitation amounts to
60 mm, distributed over 8 days.
The day lasts on average 18 hours and 5 minutes. So the days are very long.

The average sea temperature is of
15.5 °C. Therefore, the sea is cold for swimming.
August is generally a very mild month. The average temperature is of
15.6 °C, with a minimum of
10.4 °C and a maximum of
20.8 °C.

On the coldest nights of the month, the temperature usually drops to around
3.5 °C. However, it dropped to
0.8 °C in August 2007.

On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
32.6 °C in August 2014.

Precipitation amounts to
70 mm, distributed over 9 days.
The day lasts on average 15 hours and 35 minutes. So the days are long.

The average sea temperature is of
16.6 °C. Therefore, the sea is cold for swimming.
September is generally a mild month. The average temperature is of
11.3 °C, with a minimum of
6.6 °C and a maximum of
16 °C.

On the coldest nights of the month, the temperature usually drops to around
-1 °C. However, it dropped to
-5.3 °C in September 2014.

On the warmest days of the month, the temperature usually reaches around
22 °C. However, it reached
27.4 °C in September 2019.

Precipitation amounts to
50 mm, distributed over 8 days.
The day lasts on average 12 hours and 50 minutes.

The average sea temperature is of
13.4 °C. Therefore, the sea is very cold for swimming.
October is generally a quite cold month. The average temperature is of
5.8 °C, with a minimum of
2.2 °C and a maximum of
9.4 °C.

On the coldest nights of the month, the temperature usually drops to around
-6 °C. However, it dropped to
-12.8 °C in October 2003.

On the warmest days of the month, the temperature usually reaches around
16 °C. However, it reached
21 °C in October 1995.

Precipitation amounts to
60 mm, distributed over 9 days.
The day lasts on average 10 hours and 0 minutes.

The average sea temperature is of
9.3 °C. Therefore, the sea is very cold for swimming.
November is generally a cold month. The average temperature is of
1.4 °C, with a minimum of
-1.1 °C and a maximum of
4 °C.

On the coldest nights of the month, the temperature usually drops to around
-10 °C. However, it dropped to
-20.6 °C in November 2010.

On the warmest days of the month, the temperature usually reaches around
10.5 °C. However, it reached
15 °C in November 2015.

Precipitation amounts to
45 mm, distributed over 10 days.
The day lasts on average 7 hours and 20 minutes. So the days are short.

The average sea temperature is of
6 °C. Therefore, the sea is very cold for swimming.
December is generally a very cold month. The average temperature is of
-1.9 °C, with a minimum of
-4.8 °C and a maximum of
1 °C.

On the coldest nights of the month, the temperature usually drops to around
-16 °C. However, it dropped to
-25.3 °C in December 2010.

On the warmest days of the month, the temperature usually reaches around
7 °C. However, it reached
12.6 °C in December 2015.

Precipitation amounts to
40 mm, distributed over 9 days.
The day lasts on average 5 hours and 50 minutes. So the days are short. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.

The average sea temperature is of
3.8 °C. Therefore, the sea is very cold for swimming.