Climate and Average Weather Year Round in Kiruna Sweden
In Kiruna, the summers are short and cool; the winters are long, frigid, and snowy; and it is mostly cloudy year round. Over the course of the year, the temperature typically varies from 2°F to 62°F and is rarely below -19°F or above 72°F.
Based on the tourism score, the best time of year to visit Kiruna for warm-weather activities is from early July to early August.
Climate in Kiruna
The warm season lasts for 2.8 months, from June 6 to September 1, with an average daily high temperature above 52°F. The hottest month of the year in Kiruna is July, with an average high of 61°F and low of 46°F.
The cold season lasts for 4.2 months, from November 12 to March 17, with an average daily high temperature below 25°F. The coldest month of the year in Kiruna is January, with an average low of 2°F and high of 17°F.
Average High and Low Temperature in Kiruna
The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in Kiruna
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
In Kiruna, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.
The clearer part of the year in Kiruna begins around April 8 and lasts for 5.2 months, ending around September 15.
The clearest month of the year in Kiruna is June, during which on average the sky is clear, mostly clear, or partly cloudy 46% of the time.
The cloudier part of the year begins around September 15 and lasts for 6.8 months, ending around April 8.
The cloudiest month of the year in Kiruna is January, during which on average the sky is overcast or mostly cloudy 75% of the time.
Cloud Cover Categories in Kiruna
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Kiruna varies throughout the year.
The wetter season lasts 4.0 months, from May 26 to September 25, with a greater than 26% chance of a given day being a wet day. The month with the most wet days in Kiruna is July, with an average of 12.3 days with at least 0.04 inches of precipitation.
The drier season lasts 8.0 months, from September 25 to May 26. The month with the fewest wet days in Kiruna is March, with an average of 4.2 days with at least 0.04 inches of precipitation.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation in Kiruna changes throughout the year.
Snow alone is the most common for 6.1 months, from October 20 to April 25. The month with the most days of snow alone in Kiruna is November, with an average of 4.9 days.
Rain alone is the most common for 5.8 months, from April 25 to October 20. The month with the most days of rain alone in Kiruna is July, with an average of 12.3 days.
Daily Chance of Precipitation in Kiruna
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Kiruna experiences significant seasonal variation in monthly rainfall.
The rainy period of the year lasts for 6.0 months, from April 25 to October 24, with a sliding 31-day rainfall of at least 0.5 inches. The month with the most rain in Kiruna is July, with an average rainfall of 3.5 inches.
The rainless period of the year lasts for 6.0 months, from October 24 to April 25. The month with the least rain in Kiruna is January, with an average rainfall of 0.0 inches.
Average Monthly Rainfall in Kiruna
As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Kiruna experiences significant seasonal variation in monthly snowfall.
The snowy period of the year lasts for 8.5 months, from September 16 to June 2, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow in Kiruna is November, with an average snowfall of 8.0 inches.
The snowless period of the year lasts for 3.5 months, from June 2 to September 16. The least snow falls around July 21, with an average total accumulation of 0.0 inches.
Average Monthly Snowfall in Kiruna
Due to its extreme latitude, Kiruna experiences polar day (also known as the midnight Sun) during the summer and polar night during the winter. These are periods of time in which the sun is continuously above or below the horizon for more than one day. The precise start and end dates of polar day and night vary from year to year and depend on the precise location and elevation of the observer, and the local topography.
In the summer in Kiruna during 2022, the Sun is continuously above the horizon for 1.7 months, rising at 12:51 AM on May 27, and not setting again until 12:29 AM on July 17.
In the winter in Kiruna during 2022, the Sun is continuously below the horizon for 3.3 weeks, setting at 11:44 AM on December 10, and not rising again until 11:24 AM on January 2.
Hours of Daylight and Twilight in Kiruna
Daylight saving time (DST) is observed in Kiruna during 2022, starting in the spring on March 27, lasting 7.1 months, and ending in the fall on October 30.
Sunrise & Sunset with Twilight and Daylight Saving Time in Kiruna
The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.
Solar Elevation and Azimuth in Kiruna
The figure below presents a compact representation of key lunar data for 2022. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases.
Moon Rise, Set & Phases in Kiruna
We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.
The perceived humidity level in Kiruna, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout.
Humidity Comfort Levels in Kiruna
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.
The average hourly wind speed in Kiruna experiences mild seasonal variation over the course of the year.
The windier part of the year lasts for 6.5 months, from November 24 to June 8, with average wind speeds of more than 7.2 miles per hour. The windiest month of the year in Kiruna is January, with an average hourly wind speed of 8.3 miles per hour.
The calmer time of year lasts for 5.5 months, from June 8 to November 24. The calmest month of the year in Kiruna is August, with an average hourly wind speed of 6.1 miles per hour.
Average Wind Speed in Kiruna
The predominant average hourly wind direction in Kiruna varies throughout the year.
The wind is most often from the south for 2.9 months, from June 30 to September 28, with a peak percentage of 36% on September 25. The wind is most often from the west for 9.1 months, from September 28 to June 30, with a peak percentage of 37% on January 1.
Wind Direction in Kiruna
To characterize how pleasant the weather is in Kiruna throughout the year, we compute two travel scores.
The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Kiruna for general outdoor tourist activities is from early July to early August, with a peak score in the third week of July.
Tourism Score in Kiruna
The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Kiruna for hot-weather activities is from mid to late July.
Beach/Pool Score in Kiruna
For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.
Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.
Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.
Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.
Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.
Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).
The growing season in Kiruna typically lasts for 2.8 months (86 days), from around June 5 to around August 30, rarely starting before May 19 or after June 21, and rarely ending before August 9 or after September 20.
Time Spent in Various Temperature Bands and the Growing Season in Kiruna
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.
Based on growing degree days alone, the first spring blooms in Kiruna should appear around June 23, only rarely appearing before June 5 or after July 13.
Growing Degree Days in Kiruna
This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.
The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.
The brighter period of the year lasts for 2.9 months, from May 7 to August 4, with an average daily incident shortwave energy per square meter above 4.4 kWh. The brightest month of the year in Kiruna is June, with an average of 5.5 kWh.
The darker period of the year lasts for 5.0 months, from October 4 to March 5, with an average daily incident shortwave energy per square meter below 1.1 kWh. The darkest month of the year in Kiruna is December, with an average of 0.0 kWh.
Average Daily Incident Shortwave Solar Energy in Kiruna
For the purposes of this report, the geographical coordinates of Kiruna are 67.856 deg latitude, 20.225 deg longitude, and 1,742 ft elevation.
The topography within 2 miles of Kiruna contains very significant variations in elevation, with a maximum elevation change of 889 feet and an average elevation above sea level of 1,719 feet. Within 10 miles also contains very significant variations in elevation (1,509 feet). Within 50 miles contains very significant variations in elevation (6,152 feet).
The area within 2 miles of Kiruna is covered by artificial surfaces (58%) and trees (19%), within 10 miles by trees (62%) and herbaceous vegetation (14%), and within 50 miles by trees (44%) and shrubs (26%).
This report illustrates the typical weather in Kiruna, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Kiruna.
For each station, the records are corrected for the elevation difference between that station and Kiruna according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Kiruna is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Kiruna and a given station.
The stations contributing to this reconstruction are:
To get a sense of how much these sources agree with each other, you can view a comparison of Kiruna and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.
All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.
All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.
Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.
Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.
Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .
Time zones for airports and weather stations are provided by AskGeo.com .
Maps are © OpenStreetMap contributors.
The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.
We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.
We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.
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