This report describes the typical weather at the Sørkjosen Airport (Nordreisa, Norway) weather station over the course of an average year. It is based on the historical records from 2007 to 2012. Earlier records are either unavailable or unreliable.

Nordreisa has a humid subarctic continental climate with cool summers and no dry season. The area within 25 mi of this station is covered by tundra (56%), oceans and seas (30%), forests (10%), and grasslands (3%).

Over the course of a year, the temperature typically varies from 13°F to 61°F and is rarely below 1°F or above 69°F.

Daily High and Low Temperature

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The daily average low (blue) and high (red) temperature with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).

The warm season lasts from June 15 to September 14 with an average daily high temperature above 53°F. The hottest day of the year is August 3, with an average high of 61°F and low of 50°F.

The cold season lasts from December 25 to March 4 with an average daily high temperature below 30°F. The coldest day of the year is February 14, with an average low of 13°F and high of 22°F.

Fraction of Time Spent in Various Temperature Bands

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The average fraction of time spent in various temperature bands: frigid (below 15°F), freezing (15°F to 32°F), cold (32°F to 50°F), cool (50°F to 65°F), comfortable (65°F to 75°F), warm (75°F to 85°F), hot (85°F to 100°F) and sweltering (above 100°F).

The length of the day varies significantly over the course of the year. The shortest day is December 21 with 0:00 hours of daylight; the longest day is June 20 with 24:00 hours of daylight.

Due to its extreme latitude, Nordreisa experiences polar day (also known as the midnight Sun) during summer and polar night during winter. 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 summer, the Sun is continuously above the horizon for 68 days, from May 18 to July 25.

In winter, the Sun is continuously below the horizon for 49 days, from November 27 to January 15.

Daily Hours of Daylight and Twilight

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The number of hours during which the Sun is visible (black line), with various degrees of daylight, twilight, and night, indicated by the color bands. From bottom (most yellow) to top (most gray): full daylight, solar twilight (Sun is visible but less than 6° from the horizon), civil twilight (Sun is not visible but is less than 6° below the horizon), nautical twilight (Sun is between 6° and 12° below the horizon), astronomical twilight (Sun is between 12° and 18° below the horizon), and full night.

Daylight saving time (DST) is observed in this location during 2012, starting in the spring on March 25 and ending in the fall on October 28.

Daily Sunrise & Sunset with Twilight and Daylight Saving Time

The solar day over the course of the year 2012 . From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (solar, civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the "DST" labels.

The median cloud cover ranges from 70% (partly cloudy) to 81% (mostly cloudy). The sky is cloudiest on July 18 and clearest on January 30. The clearer part of the year begins around December 8. The cloudier part of the year begins around April 1.

Median Cloud Cover

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The median daily cloud cover (black line) with percentile bands (inner band from 40th to 60th percentile, outer band from 25th to 75th percentile).

On January 30, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 22% of the time, and overcast or mostly cloudy 22% of the time.

On July 18, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 42% of the time, and clear or mostly clear 7% of the time.

Cloud Cover Types

The fraction of time spent in each of the five sky cover categories. From top (most blue) to bottom (most gray), the categories are clear, mostly clear, partly cloudy, mostly cloudy, and overcast. Pink indicates missing data. Outside of the United States clear skies are often reported ambiguously, leading them to be lumped in with the missing data.

The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around September 30, occurring in 57% of days. Precipitation is least likely around January 24, occurring in 34% of days.

Probability of Precipitation at Some Point in the Day

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The fraction of days in which various types of precipitation are observed. If more than one type of precipitation is reported in a given day, the more severe precipitation is counted. For example, if light rain is observed in the same day as a thunderstorm, that day counts towards the thunderstorm totals. The order of severity is from the top down in this graph, with the most severe at the bottom.

Over the entire year, the most common forms of precipitation are light rain, light snow, moderate rain, and moderate snow.

Light rain is the most severe precipitation observed during 37% of those days with precipitation. It is most likely around September 25, when it is observed during 31% of all days.

Light snow is the most severe precipitation observed during 20% of those days with precipitation. It is most likely around March 24, when it is observed during 21% of all days.

Moderate rain is the most severe precipitation observed during 19% of those days with precipitation. It is most likely around July 15, when it is observed during 17% of all days.

Moderate snow is the most severe precipitation observed during 15% of those days with precipitation. It is most likely around February 24, when it is observed during 16% of all days.

Types of Precipitation Throughout the Year

Relative frequency of various types of precipitation over the course of a typical year.

During the warm season, which lasts from June 15 to September 14, there is a 48% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light rain (56% of days with precipitation have at worst light rain), moderate rain (30%), and drizzle (11%).

During the cold season, which lasts from December 25 to March 4, there is a 36% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light snow (44% of days with precipitation have at worst light snow), moderate snow (32%), light rain (12%), and moderate rain (7%).

Warm Season Precipitation

Cold Season Precipitation

Relative frequency of various types of precipitation during the warm and cold seasons respectively.

The likelihood of snow falling is highest around March 24, occurring in 35% of days. The season in which it is relatively likely for snow to fall spans from October 13 to May 14.

Probability of Snow Fall Being Reported in a Given Day

Probability that snow will be reported at least once in a given day. The season is defined as the period during which the probability is greater than one third the maximum probability.

During peak snow season, accumulation at this location on a given day is very likely. The chances of there being snow on the ground are highest around January 19, occurring 91% of the time. The season in which snow is relatively likely to be on the ground spans from November 4 to May 6.

Chance of at Least Some Snow on the Ground

The probability that there is snow on the ground. The season is defined as the period during which the probability is greater than one third of the maximum probability.

The snow is typically at its deepest on April 1, with a median depth of 17.2"; the depth exceeds 29.5" only one year out of ten.

Snow Depth When there is Snow on the Ground

The median depth of snow during times when there is at least some snow on the ground, with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).

The relative humidity typically ranges from 50% (comfortable) to 91% (very humid) over the course of the year, rarely dropping below 38% (comfortable) and reaching as high as 95% (very humid).

The air is driest around April 16, at which time the relative humidity drops below 55% (mildly humid) three days out of four; it is most humid around August 4, exceeding 89% (very humid) three days out of four.

Relative Humidity

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The average daily high (blue) and low (brown) relative humidity with percentile bands (inner bands from 25th to 75th percentile, outer bands from 10th to 90th percentile).

Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.

Over the course of a year, the dew point typically varies from 4°F (dry) to 51°F (very comfortable) and is rarely below -8°F (dry) or above 55°F (very comfortable).

Dew Point

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The daily average low (blue) and high (red) dew point with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).

Over the course of the year typical wind speeds vary from 0 mph to 23 mph (calm to fresh breeze), rarely exceeding 30 mph (strong breeze).

The highest average wind speed of 14 mph (moderate breeze) occurs around January 26, at which time the average daily maximum wind speed is 23 mph (fresh breeze).

The lowest average wind speed of 6 mph (light breeze) occurs around August 4, at which time the average daily maximum wind speed is 13 mph (moderate breeze).

Wind Speed

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The average daily minimum (red), maximum (green), and average (black) wind speed with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).

Wind Directions Over the Entire Year

The fraction of time spent with the wind blowing from the various directions over the entire year. Values do not sum to 100% because the wind direction is undefined when the wind speed is zero.

Fraction of Time Spent with Various Wind Directions

The fraction of time spent with the wind blowing from the various directions on a daily basis. Stacked values do not always sum to 100% because the wind direction is undefined when the wind speed is zero.