December weather forecastÄrla, Sweden

December

Weather in December

December, the first month of the winter in Ärla, is also an icy month, with temperature in the range of an average low of -3°C (26.6°F) and an average high of 0.6°C (33.1°F).

Temperature

A minor decrease in the average high-temperature is observed during December, shifting from an icy 4.5°C (40.1°F) in November to a still wintry 0.6°C (33.1°F). Ärla, during December nights, observes a steady temperature, averaging at a freezing cold -3°C (26.6°F).

Humidity

January, February and December, with an average relative humidity of 90%, are the most humid months in Ärla.

Rainfall

In Ärla, in December, during 8.4 rainfall days, 15mm (0.59") of precipitation is typically accumulated. In Ärla, during the entire year, the rain falls for 116.7 days and collects up to 205mm (8.07") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Ärla, during December, snow falls for 9.5 days and regularly aggregates up to 38mm (1.5") of snow. In Ärla, during the entire year, snow falls for 44.6 days and aggregates up to 197mm (7.76") of snow.

Daylight

With an average of 6h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 08:23 and sunset at 15:01. On the last day of December, in Ärla, sunrise is at 08:49 and sunset at 15:03 CET.

Sunshine

December has the least sunshine of the year in Ärla, with an average of 2.6h of sunshine.

UV index

The average daily maximum UV index in December in Ärla, Sweden, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

In Ärla, in December, the average high-temperature is 0.6°C (33.1°F), and the average low-temperature is -3°C (26.6°F).

The months with the highest humidity in Ärla are January, February and December, with an average relative humidity of 90%.

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

In December, in Ärla, Sweden, the rain falls for 8.4 days. Throughout December, 15mm (0.59") of precipitation is accumulated.

In Ärla, Sweden, in December, snow falls for 9.5 days, with typically accumulated 38mm (1.5") of snow.

With an average of 6h and 18min of daylight, December has the shortest days of the year.

In December, the average day length in Ärla is 6h and 15min.

In December, on the first day of the month, sunrise is at 08:23 and sunset at 15:01. On the last day of the month, in Ärla, Sweden, sunrise is at 08:49 and sunset at 15:03 CET.

With an average of 2.6h of sunshine, December has the least sunshine of the year in Ärla.

In Ärla, the average sunshine duration in December is 2.6h.

In December, the average daily maximum UV index in Ärla is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe 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
Ärla, Sweden

  • Average high temperature in December: 0.6°C

The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-1°C).

  • Average low temperature in December: -3°C

The month with the highest average low temperature is July (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (-4.8°C).

Average pressure in December
Ärla, Sweden

  • Average pressure in December: 1007.9mbar

The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).

Average wind speed in December
Ärla, Sweden

  • Average wind speed in December: 15.1km/h

The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).

Average humidity in December
Ärla, Sweden

  • Average humidity in December: 90%

The months with the highest relative humidity are January, February and December (90%).
The month with the lowest relative humidity is May (71%).

Average rainfall in December
Ärla, Sweden

  • Average rainfall in December: 15mm

The wettest month (with the highest rainfall) is July (30mm).
The driest months (with the least rainfall) are February and April (11mm).

Average rainfall days in December
Ärla, Sweden

  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in December
Ärla, Sweden

  • Average snowfall in December: 38mm

The month with the highest snowfall is January (52mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Ärla, Sweden

  • Average snowfall days in December: 9.5 days

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 6h and 18min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).

  • Average sunshine in December: 2h and 36min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

Average sunshine days in December
Ärla, Sweden

  • Average sunshine days in December: 14.2 days

The month with the most sunshine days is September (17.6 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in December
Ärla, Sweden

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in December
Ärla, Sweden

  • Average cloud cover in December: 65

The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are June, July and August (Cloud cover 42).

Average visibility in December
Ärla, Sweden

  • Average visibility in December: 8km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).