December weather forecast and climate
Slommen, Sweden

Weather in December

The first month of the winter, December, is also a wintry month in Slommen, Sweden, with average temperature fluctuating between 3.3°C (37.9°F) and 0.5°C (32.9°F).

Temperature

In Slommen, the average high-temperature slightly decreases, from a chilly 6.9°C (44.4°F) in November, to a cold 3.3°C (37.9°F). The average low-temperature, in December, is 0.5°C (32.9°F).

Humidity

January, February, November and December, with an average relative humidity of 86%, are most humid months in Slommen.

Rainfall

In Slommen, during December, the rain falls for 10.9 days and regularly aggregates up to 24mm (0.94") of precipitation. Throughout the year, in Slommen, there are 127.2 rainfall days, and 299mm (11.77") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Slommen. In December, it is snowing for 7.7 days. Throughout December, 49mm (1.93") of snow is accumulated. In Slommen, during the entire year, snow falls for 40.5 days, and aggregates up to 250mm (9.84") of snow.

Daylight

The month with the shortest days in Slommen is December, with an average of 6.9h of daylight.

Sunshine

In December, the average sunshine is 3.5h.

UV index

In Slommen, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the most humid month in Slommen?

Months with the highest humidity in Slommen are January, February, November and December, with an average relative humidity of 86%.

What is the average humidity in December in Slommen?

In December, the average relative humidity is 86%.

How many days does it rain in December in Slommen?

In Slommen, in December, during 10.9 rainfall days, 24mm (0.94") of precipitation is typically accumulated.

How much does it snow in Slommen in December?

In Slommen, Sweden, in December, snow falls for 7.7 days, with typically accumulated 49mm (1.93") of snow.

What is the month with the shortest days in Slommen?

December has the shortest days of the year in Slommen, with an average of 6.9h of daylight.

What is the average length of the day in December in Slommen?

In December, the average length of the day in Slommen, Sweden, is 6.9h.

How long on average sun shines in December in Slommen?

In Slommen, Sweden, the average sunshine in December is 3.5h.

How high is the UV index in December in Slommen?

In Slommen, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in December
Slommen, Sweden

Average temperature in December - Slommen, Sweden
  • Average high temperature in December: 3.3°C

The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (1.6°C).

  • Average low temperature in December: 0.5°C

The month with the highest average low temperature is July (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).

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Average pressure in December
Slommen, Sweden

Average pressure in December - Slommen, Sweden
  • Average pressure in December: 1010.2mbar

Months with the highest atmospheric pressure are April and May (1015.4mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).

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Average wind speed in December
Slommen, Sweden

Average wind speed in December - Slommen, Sweden
  • Average wind speed in December: 18.8km/h

The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is May (14.1km/h).

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Average humidity in December
Slommen, Sweden

Average humidity in December - Slommen, Sweden
  • Average humidity in December: 86%

Months with the highest relative humidity are January, February, November and December (86%).
Months with the lowest relative humidity are April and May (71%).

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Average rainfall in December
Slommen, Sweden

Average rainfall in December - Slommen, Sweden
  • Average rainfall in December: 24mm

The wettest month (with the highest rainfall) is July (36mm).
The driest month (with the least rainfall) is April (10mm).

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Average rainfall days in December
Slommen, Sweden

Average rainfall days in December - Slommen, Sweden
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall in December
Slommen, Sweden

Average snowfall in December - Slommen, Sweden
  • Average snowfall in December: 49mm

The month with the highest snowfall is February (84mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Slommen, Sweden

Average snowfall days in December - Slommen, Sweden
  • Average snowfall days in December: 7.7 days

The month with the highest number of snowfall days is January (12.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Slommen, Sweden

Average daylight in December / Average sunshine in December - Slommen, Sweden
  • Average daylight in December: 6.9h

The month with the longest days is June (Average daylight: 17.7h).
The month with the shortest days is December (Average daylight: 6.9h).

  • Average sunshine in December: 3.5h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 3.2h).

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Average sunshine days in December
Slommen, Sweden

Average sunshine days in December - Slommen, Sweden
  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is February (11.1 days).

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Average UV index in December
Slommen, Sweden

Average UV index in December - Slommen, Sweden
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in December
Slommen, Sweden

Average cloud cover in December - Slommen, Sweden
  • Average cloud cover in December: 65

Months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in December
Slommen, Sweden

Average visibility in December - Slommen, Sweden
  • Average visibility in December: 9km

Months with the highest visibility are April, May, June, July, August, September and October (10km).
Months with the lowest visibility are January, February, March, November and December (9km).

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