Average Weather in Sogndal Norway

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In Sogndal, the summers are short, cool, and mostly cloudy; the winters are long, freezing, and overcast; and it is wet year round. Over the course of the year, the temperature typically varies from 20°F to 64°F and is rarely below 5°F or above 73°F.

The warm season lasts for 2.8 months, from June 11 to September 5, with an average daily high temperature above 57°F. The hottest day of the year is July 19, with an average high of 64°F and low of 51°F.

The cold season lasts for 4.3 months, from November 10 to March 18, with an average daily high temperature below 37°F. The coldest day of the year is February 7, with an average low of 20°F and high of 31°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.

In Sogndal, 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 Sogndal begins around April 2 and lasts for 5.2 months, ending around September 9. On June 1, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 42% of the time, and overcast or mostly cloudy 58% of the time.

The cloudier part of the year begins around September 9 and lasts for 6.8 months, ending around April 2. On January 25, the cloudiest day of the year, the sky is overcast or mostly cloudy 81% of the time, and clear, mostly clear, or partly cloudy 19% 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 in Sogndal varies throughout the year.

The wetter season lasts 9.0 months, from June 19 to March 18, with a greater than 47% chance of a given day being a wet day. The chance of a wet day peaks at 58% on January 1.

The drier season lasts 3.0 months, from March 18 to June 19. The smallest chance of a wet day is 35% on May 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 in Sogndal changes throughout the year.

Rain alone is the most common for 10 months, from January 16 to January 31 and from March 11 to January 7. The highest chance of a day with rain alone is 55% on September 25.

Mixed snow and rain is the most common for 1.6 months, from January 7 to January 16 and from January 31 to March 11. The highest chance of a day with mixed snow and rain is 22% on February 18.

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. Sogndal experiences significant seasonal variation in monthly rainfall.

Rain falls throughout the year in Sogndal. The most rain falls during the 31 days centered around September 29, with an average total accumulation of 5.7 inches.

The least rain falls around April 25, with an average total accumulation of 2.7 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. Sogndal experiences significant seasonal variation in monthly liquid-equivalent snowfall.

The snowy period of the year lasts for 6.9 months, from October 10 to May 7, 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 17, with an average total liquid-equivalent accumulation of 1.8 inches.

The snowless period of the year lasts for 5.1 months, from May 7 to October 10. The least snow falls around July 28, with an average total liquid-equivalent accumulation of 0.0 inches.

The length of the day in Sogndal varies extremely over the course of the year. In 2017, the shortest day is December 21, with 5 hours, 27 minutes of daylight; the longest day is June 21, with 19 hours, 23 minutes of daylight.

The earliest sunrise is at 3:51 AM on June 19, and the latest sunrise is 5 hours, 56 minutes later at 9:47 AM on December 26. The earliest sunset is at 3:11 PM on December 16, and the latest sunset is 8 hours, 3 minutes later at 11:15 PM on June 22.

Daylight saving time (DST) is observed in Sogndal 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 in Sogndal, 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 average hourly wind speed in Sogndal experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 5.0 months, from October 29 to March 29, with average wind speeds of more than 3.8 miles per hour. The windiest day of the year is January 7, with an average hourly wind speed of 4.7 miles per hour.

The calmer time of year lasts for 7.0 months, from March 29 to October 29. The calmest day of the year is May 3, with an average hourly wind speed of 2.9 miles per hour.

The predominant average hourly wind direction in Sogndal varies throughout the year.

The wind is most often from the west for 1.1 weeks, from January 18 to January 26; for 1.0 weeks, from February 3 to February 10; and for 3.0 months, from May 30 to August 29, with a peak percentage of 42% on July 18. The wind is most often from the south for 1.1 weeks, from January 26 to February 3; for 2.5 months, from February 10 to April 25; for 2.4 months, from August 29 to November 11; and for 1.7 months, from November 28 to January 18, with a peak percentage of 40% on September 25. The wind is most often from the east for 1.2 months, from April 25 to May 30 and for 2.4 weeks, from November 11 to November 28, with a peak percentage of 37% on May 4.

Sogndal 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 some seasonal variation over the course of the year.

The time of year with warmer water lasts for 2.6 months, from July 5 to September 22, with an average temperature above 55°F. The day of the year with the warmest water is August 10, with an average temperature of 58°F.

The time of year with cooler water lasts for 4.5 months, from December 22 to May 5, with an average temperature below 44°F. The day of the year with the coolest water is March 12, with an average temperature of 40°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 3.2 months, from April 29 to August 4, with an average daily incident shortwave energy per square meter above 4.6 kWh. The brightest day of the year is June 14, with an average of 5.8 kWh.

The darker period of the year lasts for 4.5 months, from October 12 to February 27, with an average daily incident shortwave energy per square meter below 1.3 kWh. The darkest day of the year is December 21, with an average of 0.1 kWh.

For the purposes of this report, the geographical coordinates of Sogndal are 61.229 deg latitude, 7.097 deg longitude, and 1,030 ft elevation.

The topography within 2 miles of Sogndal contains large variations in elevation, with a maximum elevation change of 2,448 feet and an average elevation above sea level of 781 feet. Within 10 miles contains large variations in elevation (5,052 feet). Within 50 miles also contains extreme variations in elevation (8,035 feet).

The area within 2 miles of Sogndal is covered by trees (55%), water (18%), and cropland (16%), within 10 miles by trees (44%) and water (21%), and within 50 miles by sparse vegetation (30%) and trees (18%).

This report illustrates the typical weather in Sogndal, 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 Sogndal.

For each station, the records are corrected for the elevation difference between that station and Sogndal 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 Sogndal is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Sogndal and a given station.

The stations contributing to this reconstruction are: Bergen / Flesland (53%, 146 kilometers, southwest) and Ålesund Airport, Vigra (47%, 157 kilometers, north).

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.