December weather forecastVårsta, Sweden

December

Weather in December

The first month of the winter, December, is also an icy month in Vårsta, Sweden, with an average temperature ranging between min -1.6°C (29.1°F) and max 1.5°C (34.7°F).

Temperature

December is characterized by a slight reduction in average high-temperature, easing from a wintry 5.1°C (41.2°F) in November to a still cold 1.5°C (34.7°F). December nights anticipate an average temperature of -1.6°C (29.1°F), a modest decline from the daytime.

Humidity

In Vårsta, the average relative humidity in December is 87%.

Rainfall

In Vårsta, during December, the rain falls for 8.3 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 141.5 rainfall days, and 378mm (14.88") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Vårsta, during December, snow falls for 9.1 days and regularly aggregates up to 77mm (3.03") of snow. Throughout the year, there are 48.3 snowfall days, and 358mm (14.09") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 6h and 18min of daylight.
On the first day of December, sunrise is at 08:17 and sunset at 14:58. On the last day of the month, sunrise is at 08:43 and sunset at 15:00 CET.

Sunshine

The month with the least sunshine is December, with an average of 2.6h of sunshine.

UV index

In Vårsta, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

In December, in Vårsta, the average high-temperature is 1.5°C (34.7°F), and the average low-temperature is -1.6°C (29.1°F).

In December, the average relative humidity in Vårsta is 87%.

In December, in Vårsta, the rain falls for 8.3 days. Throughout December, 34mm (1.34") of precipitation is accumulated.

In Vårsta, in December, snow falls for 9.1 days, with typically accumulated 77mm (3.03") of snow.

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

In Vårsta, the average day length in December is 6h and 17min.

On the first day of December in Vårsta, sunrise is at 08:17 and sunset at 14:58. On the last day of the month, sunrise is at 08:43 and sunset at 15:00 CET.

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

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

In Vårsta, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Vårsta, Sweden

  • Average high temperature in December: 1.5°C

The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in December: -1.6°C

The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).

Average pressure in December
Vårsta, Sweden

  • Average pressure in December: 1007.9mbar

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).

Average wind speed in December
Vårsta, Sweden

  • Average wind speed in December: 18.9km/h

The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.8km/h).

Average humidity in December
Vårsta, Sweden

  • Average humidity in December: 87%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (72%).

Average rainfall in December
Vårsta, Sweden

  • Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in December
Vårsta, Sweden

  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in December
Vårsta, Sweden

  • Average snowfall in December: 77mm

The month with the highest snowfall is February (102mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Vårsta, Sweden

  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 6h and 18min

The month with the longest days is June (Average daylight: 18h and 24min).
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 24min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

Average sunshine days in December
Vårsta, Sweden

  • Average sunshine days in December: 13 days

The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is February (11.9 days).

Average UV index in December
Vårsta, 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
Vårsta, Sweden

  • Average cloud cover in December: 65

The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in December
Vårsta, Sweden

  • Average visibility in December: 9km

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