Average Weather at Vidsel Sweden

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At Vidsel, the summers are cool and mostly cloudy and the winters are long, frigid, snowy, and overcast. Over the course of the year, the temperature typically varies from 1°F to 67°F and is rarely below -22°F or above 77°F.

The warm season lasts for 3.1 months, from May 30 to September 2, with an average daily high temperature above 57°F. The hottest day of the year is July 23, with an average high of 67°F and low of 49°F.

The cold season lasts for 3.9 months, from November 13 to March 9, with an average daily high temperature below 29°F. The coldest day of the year is January 25, with an average low of 1°F and high of 19°F.

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.

At Vidsel, 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 at Vidsel begins around April 20 and lasts for 4.7 months, ending around September 12. On June 23, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 48% of the time, and overcast or mostly cloudy 52% of the time.

The cloudier part of the year begins around September 12 and lasts for 7.3 months, ending around April 20. On January 16, the cloudiest day of the year, the sky is overcast or mostly cloudy 76% of the time, and clear, mostly clear, or partly cloudy 24% of the time.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Vidsel varies throughout the year.

The wetter season lasts 5.7 months, from May 20 to November 12, with a greater than 27% chance of a given day being a wet day. The chance of a wet day peaks at 38% on July 17.

The drier season lasts 6.3 months, from November 12 to May 20. The smallest chance of a wet day is 16% on March 2.

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 at Vidsel changes throughout the year.

Rain alone is the most common for 6.8 months, from April 11 to November 4. The highest chance of a day with rain alone is 38% on July 17.

Snow alone is the most common for 5.2 months, from November 4 to April 11. The highest chance of a day with snow alone is 18% on January 1.

Rainfall

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. Vidsel experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 7.3 months, from April 9 to November 18, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around July 15, with an average total accumulation of 3.3 inches.

The rainless period of the year lasts for 4.7 months, from November 18 to April 9. The least rain falls around January 29, with an average total accumulation of 0.1 inches.

Snowfall

We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end.

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Vidsel experiences significant seasonal variation in monthly liquid-equivalent snowfall.

The snowy period of the year lasts for 7.5 months, from September 27 to May 11, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around January 11, with an average total liquid-equivalent accumulation of 1.0 inches.

The snowless period of the year lasts for 4.5 months, from May 11 to September 27. The least snow falls around July 20, with an average total liquid-equivalent accumulation of 0.0 inches.

Due to its extreme latitude, Vidsel experiences polar day (also known as the midnight Sun) during the summer. 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 at Vidsel during 2017, the Sun is continuously above the horizon for 2.0 weeks, rising at 12:48 AM on June 14, and not setting again until 12:38 AM on June 28.

Daylight saving time (DST) is observed at Vidsel during 2017, starting in the spring on March 26, lasting 7.1 months, and ending in the fall on October 29.

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 at Vidsel, 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.

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 predominant average hourly wind direction at Vidsel varies throughout the year.

The wind is most often from the north for 6.0 days, from June 14 to June 20, with a peak percentage of 27% on June 15. The wind is most often from the west for 1.3 weeks, from June 20 to June 29 and for 10 months, from August 7 to June 14, with a peak percentage of 28% on June 26. The wind is most often from the south for 1.3 months, from June 29 to August 7, with a peak percentage of 31% on July 25.

Vidsel is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 2.3 months, from July 4 to September 12, with an average temperature above 53°F. The day of the year with the warmest water is August 6, with an average temperature of 59°F.

The time of year with cooler water lasts for 5.6 months, from November 29 to May 16, with an average temperature below 37°F. The day of the year with the coolest water is February 28, with an average temperature of 31°F.

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 9 to August 6, with an average daily incident shortwave energy per square meter above 4.5 kWh. The brightest day of the year is June 22, with an average of 5.6 kWh.

The darker period of the year lasts for 4.9 months, from October 5 to March 3, with an average daily incident shortwave energy per square meter below 1.2 kWh. The darkest day of the year is December 23, with an average of 0.0 kWh.

For the purposes of this report, the geographical coordinates of Vidsel are 65.875 deg latitude, 20.150 deg longitude, and 646 ft elevation.

The topography within 2 miles of Vidsel contains only modest variations in elevation, with a maximum elevation change of 420 feet and an average elevation above sea level of 637 feet. Within 10 miles contains only modest variations in elevation (1,857 feet). Within 50 miles contains very significant variations in elevation (2,556 feet).

The area within 2 miles of Vidsel is covered by trees (83%), within 10 miles by trees (89%), and within 50 miles by trees (82%) and herbaceous vegetation (11%).

This report illustrates the typical weather at Vidsel, 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

Vidsel has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back are Jokkmokk, Arvidsjaur Airport, Piteå, Skellefteå Airport, Lycksele Airport, Luleå Airport, Storuman Airport, and Pello.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , 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 aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.