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The climate in Sweden

Average daytime and nighttime temperatures

All climate diagrams on this page result from the collected data of 26 weather stations.
All data correspond to the average monthly values of the last 20 years.
Back to overview: Sweden
Climate zone: The northern part of Sweden is located in the cold polar zone of the Arctic. The southern areas in the temperate climatic zone.
The climate in Sweden is quite varied, but generally does not offer extreme climatic conditions. It is cold, wet and some nice summer months are also present. It won't be really warm here and given to the water temperatures of 17 degrees maximum you will leave your bathing togs at home. The warmest and rainiest part of the country is Skåne. The coldest is Norrbotten. Due to the warmer temperatures the best time for traveling is from May to September. Less attractive are the cold months from November to March.
Duration of daylight and sunshine in Sweden
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in Sweden
Rainy days per monthRainy days per month in Sweden
Precipitation in mm/dayPrecipitation in Sweden
Water temperatureWater temperatures in Sweden
Relative humidity in %Relative humidity in Sweden
Absolute humidity in g/m³Absolute humidity in Sweden

Regions in Sweden

All figures per year. For detailed climate data click on the name of the region.
RegionTemperature
max Ø day
Temperature
min Ø night
Sunshine
hours
Rainy
days
PrecipitationHumidity
Dalarna8.9 °C-1.1 °C124 708 l
Gotland11.2 °C4.5 °C2,081 h100 526 l82.0 %
Halland11.6 °C4.0 °C1,752 h132 923 l82.0 %
Jämtland7.3 °C0.5 °C1,643 h96 518 l82.0 %
Jönköping10.7 °C2.2 °C1,497 h134 814 l78.0 %
Norrbotten5.2 °C-4.0 °C1,898 h107 566 l85.0 %
Skåne12.5 °C6.6 °C1,752 h106 566 l80.0 %
Stockholm11.3 °C4.5 °C1,935 h100 533 l79.0 %
Uppsala11.3 °C4.5 °C1,935 h100 533 l79.0 %
Värmland10.8 °C2.8 °C1,898 h113 719 l77.0 %
Västerbotten6.8 °C-0.7 °C1,825 h102 562 l
Västernorrland8.9 °C0.0 °C98 569 l
Västra Götaland10.9 °C2.7 °C1,862 h127 807 l79.0 %

Temperature records of the last 73 years

The hottest temperature measured from 1949 to September 2022 was reported by the Karlstad Airp weather station. In June 1999 the record temperature of 39.9 °C was reported here. The hottest summer from July to September, based on all 26 weather stations in Sweden , was recorded in 2006 with an average temperature of 16.2 °C. This average temperature will normally be measured every 4 to 6 hours, thus also including the nights. Normally, this value is 13.4 degrees Celsius. The average maximum daily temperature at that time was 20.8 °C.
The coldest day in these 73 years was reported by the weather station Kvikkjokk Arrenjarka. Here the temperature dropped to -51.8 °C in February 2001. Kvikkjokk Arrenjarka lies at an altitude of 315 meters above sea level. The coldest winter (January to March) was in 1966 with an average temperature of -10.5 °C. In Sweden, it is usual to have about 5.9 degrees more at -4.6 °C for this three-month period.
The most precipitation fell in December 1966. With 9.0 mm per day, the Harnosand weather station recorded the highest monthly average of the last 73 years. Incidentally, the region with the most rainfall for the whole year is around Goteborg. The driest region is near Karesuando.

Long-term development of temperatures from 1986 - 2021

In contrast to single record values, a long-term development cannot simply be brought about by all weather stations in the country. Both the number and the locations are constantly changing. A simply calculated average value would give a falsified result. If several measuring stations in particularly cold mountain or coastal regions are added in one year, the average would already decrease as a result of this alone. If a station fails during the summer or winter months, it does not provide any values and falsifies the average again. The subsequent long-term development was therefore reduced to only 3 measuring points in order to have actually comparable data over as long a period as possible.
In the years 1986 to 2021 there were only these 3 weather stations in the whole country, which reported continuous temperature values (Visby, Karlstad, Joenkoeping). From these weather reports we have created a long-term development that shows the monthly average temperatures. The hottest month in this entire period was July 2018 with 20.3 °C. January 1987 was the coldest month with an average temperature of -10.2 °C.
The average annual temperature was about 6.3 °C in the years after 1986 and about 7.7 °C in the last years before 2021. So in less than 36 years it has increased by about 1.4 °C. This trend only applies to the selected 3 weather stations in Sweden. A considerably more comprehensive evaluation of the global warming has been provided separately.
Long-term development of temperatures in Sweden

Data basis and methodology

The data of the individual measuring stations are based on the archives of the German Weather Service, individual values averaged and supplemented by own elements. In order to determine a representative national average, average values were first calculated for each part of the country, which were then summarized at the national level. Thus, if a disproportionate number of weather stations are located in a small area, their number does not affect the national average.
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