, 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.

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.

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. June 21, the winter solstice, is the shortest day of the year in the Southern 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.

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.

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.

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. 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.