December weather forecast and climate
Östertjäl, Sweden

Weather in December

The first month of the winter, December, is also a subzero cold month in Östertjäl, Sweden, with average temperature varying between -5.5°C (22.1°F) and -2.3°C (27.9°F).

Temperature

In Östertjäl, the average high-temperature marginally drops, from a cold 1°C (33.8°F) in November, to a subzero cold -2.3°C (27.9°F). In Östertjäl, the average low-temperature is -5.5°C (22.1°F).

Humidity

The average relative humidity in December is 90%.

Rainfall

In Östertjäl, during December, the rain falls for 8.2 days and regularly aggregates up to 48mm (1.89") of precipitation. In Östertjäl, during the entire year, the rain falls for 134.7 days and collects up to 438mm (17.24") of precipitation.

Snowfall

Months with snowfall in Östertjäl are January through May, October through December. In Östertjäl, snow falls for 15.5 days, with typically accumulated 237mm (9.33") of snow. Throughout the year, there are 81.9 snowfall days, and 1058mm (41.65") of snow is accumulated.

Daylight

The month with the shortest days in Östertjäl is December, with an average of 4.8h of daylight.

Sunshine

The month with the least sunshine is December, with an average of 1.6h of sunshine.

UV index

January through March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 1 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 solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Östertjäl?

In Östertjäl, Sweden, in December, the average high-temperature is -2.3°C (27.9°F), and the average low-temperature is -5.5°C (22.1°F).

What is the average humidity in December in Östertjäl?

In December, the average relative humidity in Östertjäl is 90%.

How much does it rain in Östertjäl in December?

In Östertjäl, Sweden, during December, the rain falls for 8.2 days and regularly aggregates up to 48mm (1.89") of precipitation.

How much does it snow in Östertjäl in December?

In Östertjäl, Sweden, during December, snow falls for 15.5 days and regularly aggregates up to 237mm (9.33") of snow.

What is the month with the shortest days in Östertjäl?

With an average of 4.8h of daylight, December has the shortest days of the year in Östertjäl.

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

The average length of the day in December is 4.8h.

What is the month with the least sunshine in Östertjäl?

December has the least sunshine of the year in Östertjäl, with an average of 1.6h of sunshine.

How many hours of sunshine does Östertjäl have in December?

In Östertjäl, the average sunshine in December is 1.6h.

When is the lowest UV index in Östertjäl?

January through March and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in December in Östertjäl?

In Östertjäl, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in December
Östertjäl, Sweden

Average temperature in December - Östertjäl, Sweden
  • Average high temperature in December: -2.3°C

The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-3.8°C).

  • Average low temperature in December: -5.5°C

The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is February (-8.4°C).

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Average pressure in December
Östertjäl, Sweden

Average pressure in December - Östertjäl, Sweden
  • Average pressure in December: 1005.7mbar

The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).

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Average wind speed in December
Östertjäl, Sweden

Average wind speed in December - Östertjäl, Sweden
  • Average wind speed in December: 10.5km/h

The windiest month (with the highest average wind speed) is March (10.8km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).

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Average humidity in December
Östertjäl, Sweden

Average humidity in December - Östertjäl, Sweden
  • Average humidity in December: 90%

The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (65%).

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Average rainfall in December
Östertjäl, Sweden

Average rainfall in December - Östertjäl, Sweden
  • Average rainfall in December: 48mm

The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (25mm).

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Average rainfall days in December
Östertjäl, Sweden

Average rainfall days in December - Östertjäl, Sweden
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall in December
Östertjäl, Sweden

Average snowfall in December - Östertjäl, Sweden
  • Average snowfall in December: 237mm

The month with the highest snowfall is January (245mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Östertjäl, Sweden

Average snowfall days in December - Östertjäl, Sweden
  • Average snowfall days in December: 15.5 days

The month with the highest number of snowfall days is January (17 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
Östertjäl, Sweden

Average daylight in December / Average sunshine in December - Östertjäl, Sweden
  • Average daylight in December: 4.8h

The month with the longest days is June (Average daylight: 20.3h).
The month with the shortest days is December (Average daylight: 4.8h).

  • Average sunshine in December: 1.6h

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 1.6h).

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Average sunshine days in December
Östertjäl, Sweden

Average sunshine days in December - Östertjäl, Sweden
  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is October (15.5 days).
Months with the least sunshine days are February and December (10.5 days).

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Average UV index in December
Östertjäl, Sweden

Average UV index in December - Östertjäl, Sweden
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, March and December (UV index 1).

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Average cloud cover in December
Östertjäl, Sweden

Average cloud cover in December - Östertjäl, Sweden
  • Average cloud cover in December: 63

Months with the most cloud cover are January and February (Cloud cover 65).
Months with the least cloud cover are June and July (Cloud cover 44).

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Average visibility in December
Östertjäl, Sweden

Average visibility in December - Östertjäl, Sweden
  • Average visibility in December: 7km

Months with the highest visibility are May, June and July (9km).
Months with the lowest visibility are January and February (6km).

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