December weather forecastGällö, Sweden

December

Weather in December

December, the first month of the winter in Gällö, is still a freezing cold month, with an average temperature varying between -3.5°C (25.7°F) and -7.5°C (18.5°F).

Temperature

December's arrival aligns with a minor decrease in average high-temperatures, from November's subzero cold -0.3°C (31.5°F) to a still freezing cold -3.5°C (25.7°F). Gällö, in December, registers an average low temperature of -7.5°C (18.5°F), showing a minute reduction from daily highs.

Humidity

The average relative humidity in December in Gällö is 92%.

Rainfall

In December, in Gällö, the rain falls for 8.3 days. Throughout December, 44mm (1.73") of precipitation is accumulated. Throughout the year, there are 132.9 rainfall days, and 449mm (17.68") of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. December is the month with the most snowfall in Gällö. Snow falls for 19.7 days and accumulates 303mm (11.93") of snow.

Daylight

The month with the shortest days in Gällö is December, with an average of 5h and 0min of daylight.
On the first day of the month, sunrise is at 09:03 and sunset at 14:33. On the last day of December, sunrise is at 09:33 and sunset at 14:31 CET.

Sunshine

With an average of 1.4h of sunshine, December has the least sunshine of the year in Gällö.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 1 during December morphs into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

During December, Gällö experiences an average high-temperature of -3.5°C (25.7°F) and a low-temperature of -7.5°C (18.5°F).

In Gällö, Sweden, the average relative humidity in December is 92%.

In Gällö, during December, the rain falls for 8.3 days and regularly aggregates up to 44mm (1.73") of precipitation.

December is the month with the most snowfall. Snow falls for 19.7 days and accumulates 303mm (11.93") of snow.

In Gällö, Sweden, during December, snow falls for 19.7 days and regularly aggregates up to 303mm (11.93") of snow.

December has the shortest days of the year in Gällö, Sweden, with an average of 5h and 0min of daylight.

In December, the average day length is 4h and 59min.

On the first day of December, sunrise is at 09:03 and sunset at 14:33. On the last day of the month, sunrise is at 09:33 and sunset at 14:31 CET.

With an average of 1.4h of sunshine, December has the least sunshine of the year.

The average sunshine duration in December in Gällö is 1.4h.

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

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Gällö, Sweden

  • Average high temperature in December: -3.5°C

The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (-4.8°C).

  • Average low temperature in December: -7.5°C

The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (-9.7°C).

Average pressure in December
Gällö, Sweden

  • Average pressure in December: 1006.1mbar

The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1006.1mbar).

Average wind speed in December
Gällö, Sweden

  • Average wind speed in December: 11.5km/h

The windiest months (with the highest average wind speed) are March and June (11.8km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in December
Gällö, Sweden

  • Average humidity in December: 92%

The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and June (68%).

Average rainfall in December
Gällö, Sweden

  • Average rainfall in December: 44mm

The wettest month (with the highest rainfall) is May (50mm).
The driest months (with the least rainfall) are February and April (27mm).

Average rainfall days in December
Gällö, Sweden

  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (3.9 days).

Average snowfall in December
Gällö, Sweden

  • Average snowfall in December: 303mm

The month with the highest snowfall is December (303mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in December
Gällö, Sweden

  • Average snowfall days in December: 19.7 days

The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

  • Average daylight in December: 5h and 0min

The month with the longest days is June (Average daylight: 20h and 0min).
The month with the shortest days is December (Average daylight: 5h and 0min).

  • Average sunshine in December: 1h and 24min

The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).

Average sunshine days in December
Gällö, Sweden

  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is August (15.2 days).
The month with the least sunshine days is March (7.8 days).

Average UV index in December
Gällö, Sweden

  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in December
Gällö, Sweden

  • Average cloud cover in December: 64

The months with the most cloud cover are January and February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 47).

Average visibility in December
Gällö, Sweden

  • Average visibility in December: 7km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (6km).