December weather forecast
Södra Sunderbyn, Sweden

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Weather in December

The first month of the winter, December, is also a subzero cold month in Södra Sunderbyn, Sweden, with an average temperature ranging between max -2.1°C (28.2°F) and min -5.7°C (21.7°F).

Temperature

Södra Sunderbyn's December weather features a light decline in high-temperatures, reducing from an icy 1.5°C (34.7°F) in November to a freezing cold -2.1°C (28.2°F). In Södra Sunderbyn, nights during December observe an average temperature decrease to -5.7°C (21.7°F).

Humidity

The average relative humidity in December in Södra Sunderbyn is 89%.

Rainfall

December is the month with the most rainfall in Södra Sunderbyn. Rain falls for 6.3 days and accumulates 46mm (1.81") of precipitation.

Snowfall

Months with snowfall in Södra Sunderbyn, Sweden, are January through May, October through December. December is the month with the most snowfall. Snow falls for 15 days and accumulates 178mm (7.01") of snow.

Sea temperature

In December, the average sea temperature in Södra Sunderbyn is 3.3°C (37.9°F).
Note: During swimming activities, this situation is lethal and fraught with danger. The frigid water triggers acute discomfort and swift hyperventilation. A specialized swimsuit is necessary to reduce thermal harm.

Daylight

December has the shortest days of the year in Södra Sunderbyn, with an average of 3h and 24min of daylight.
On the first day of the month, sunrise is at 09:14 and sunset at 13:28. On the last day of December, in Södra Sunderbyn, sunrise is at 09:52 and sunset at 13:18 CET.

Sunshine

The month with the least sunshine in Södra Sunderbyn, Sweden, is December, with an average of 1.3h of sunshine.

UV index

The months with the lowest UV index in Södra Sunderbyn are January through March, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

How cold is it in Södra Sunderbyn in December?

Södra Sunderbyn in December has an average high-temperature of -2.1°C (28.2°F) and an average low-temperature of -5.7°C (21.7°F).

What is the average humidity in December in Södra Sunderbyn?

In Södra Sunderbyn, Sweden, the average relative humidity in December is 89%.

What is the wettest month in Södra Sunderbyn?

December is the month with the most rainfall. Rain falls for 6.3 days and accumulates 46mm (1.81") of precipitation.

How many days does it rain in December in Södra Sunderbyn?

In Södra Sunderbyn, in December, it is raining for 6.3 days, with typically 46mm (1.81") of accumulated precipitation.

When does it snow the most in Södra Sunderbyn?

December is the month with the most snowfall. Snow falls for 15 days and accumulates 178mm (7.01") of snow.

How many days does it snow in December in Södra Sunderbyn?

In Södra Sunderbyn, Sweden, in December, snow falls for 15 days, with typically accumulated 178mm (7.01") of snow.

What is the water temperature in December in Södra Sunderbyn?

In Södra Sunderbyn, in December, the average water temperature is 3.3°C (37.9°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the month with the shortest days in Södra Sunderbyn?

The month with the shortest days in Södra Sunderbyn, Sweden, is December, with an average of 3h and 24min of daylight.

How many hours of daylight does Södra Sunderbyn have in December?

In December, the average day length in Södra Sunderbyn is 3h and 26min.

What time are sunrise and sunset in December in Södra Sunderbyn?

On the first day of December in Södra Sunderbyn, sunrise is at 09:14 and sunset at 13:28. On the last day of the month, sunrise is at 09:52 and sunset at 13:18 CET.

What is the month with the least sunshine in Södra Sunderbyn?

The month with the least sunshine is December, with an average of 1.3h of sunshine.

How many hours of sunshine does Södra Sunderbyn have in December?

The average sunshine duration in December in Södra Sunderbyn is 1.3h.

What are the months with the lowest UV index in Södra Sunderbyn?

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

What is the UV index intensity in December in Södra Sunderbyn?

In Södra Sunderbyn, Sweden, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.

Average temperature in December
Södra Sunderbyn, Sweden

Average temperature in December - Södra Sunderbyn, Sweden
  • Average high temperature in December: -2.1°C

The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-5.7°C).

  • Average low temperature in December: -5.7°C

The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).

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Average pressure in December
Södra Sunderbyn, Sweden

Average pressure in December - Södra Sunderbyn, Sweden
  • Average pressure in December: 1004.8mbar

The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).

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Average wind speed in December
Södra Sunderbyn, Sweden

Average wind speed in December - Södra Sunderbyn, Sweden
  • Average wind speed in December: 17.3km/h

The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is April (13km/h).

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Average humidity in December
Södra Sunderbyn, Sweden

Average humidity in December - Södra Sunderbyn, Sweden
  • Average humidity in December: 89%

The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (70%).

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Average rainfall in December
Södra Sunderbyn, Sweden

Average rainfall in December - Södra Sunderbyn, Sweden
  • Average rainfall in December: 46mm

The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (25mm).

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Average rainfall days in December
Södra Sunderbyn, Sweden

Average rainfall days in December - Södra Sunderbyn, Sweden
  • Average rainfall days in December: 6.3 days

The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (3.1 days).

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Average snowfall in December
Södra Sunderbyn, Sweden

Average snowfall in December - Södra Sunderbyn, Sweden
  • Average snowfall in December: 178mm

The month with the highest snowfall is December (178mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Södra Sunderbyn, Sweden

Average snowfall days in December - Södra Sunderbyn, Sweden
  • Average snowfall days in December: 15 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in December
Södra Sunderbyn, Sweden

Average sea temperature in December - Södra Sunderbyn, Sweden
  • Average sea temperature in December: 3.3°C

The best month for swimming (with the highest average sea temperature) is July (15.4°C).
The coldest month (with the lowest average sea temperature) is February (0.3°C).

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Average daylight in December /
Average sunshine in December
Södra Sunderbyn, Sweden

Average daylight in December / Average sunshine in December - Södra Sunderbyn, Sweden
  • Average daylight in December: 3h and 2min

The month with the longest days is June (Average daylight: 22h and 42min).
The month with the shortest days is December (Average daylight: 3h and 24min).

  • Average sunshine in December: 1h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).

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Average sunshine days in December
Södra Sunderbyn, Sweden

Average sunshine days in December - Södra Sunderbyn, Sweden
  • Average sunshine days in December: 11.6 days

The months with the most sunshine days are June and October (16.5 days).
The month with the least sunshine days is December (11.6 days).

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Average UV index in December
Södra Sunderbyn, Sweden

Average UV index in December - Södra Sunderbyn, Sweden
  • Average UV index in December: 1

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

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Average cloud cover in December
Södra Sunderbyn, Sweden

Average cloud cover in December - Södra Sunderbyn, Sweden
  • Average cloud cover in December: 66

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).

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Average visibility in December
Södra Sunderbyn, Sweden

Average visibility in December - Södra Sunderbyn, Sweden
  • Average visibility in December: 8km

The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and April (7km).

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Södra Sunderbyn, Sweden

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