December weather forecastLångön, Sweden

December

Weather in December

The first month of the winter, December, is still a freezing cold month in Långön, Sweden, with temperature in the range of an average high of -2.1°C (28.2°F) and an average low of -5.7°C (21.7°F).

Temperature

The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from an icy 1.5°C (34.7°F) to a subzero cold -2.1°C (28.2°F). In Långön, the nocturnal temperatures throughout December show a marginal dip from the daytime averages, settling at a still freezing cold -5.7°C (21.7°F).

Humidity

In Långön, the average relative humidity in December is 89%.

Rainfall

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

Snowfall

January through May, October through December are months with snowfall in Långön, Sweden. The month with the most snowfall in Långön is December, when snow falls for 15 days and typically aggregates up to 178mm (7.01") of snow.

Daylight

The month with the shortest days is December, with an average of 3h and 30min of daylight.
On the first day of the month, sunrise is at 09:09 and sunset at 13:28. On the last day of December, in Långön, sunrise is at 09:47 and sunset at 13:18 CET.

Sunshine

With an average of 1.3h of sunshine, December has the least sunshine of the year.

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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 1 in December interprets into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. It's recommended to limit sun exposure when its radiation is at its peak during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.

Frequently asked questions

Långön 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).

In Långön, the average relative humidity in December is 89%.

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

In Långön, Sweden, during December, the rain falls for 6.3 days and regularly aggregates up to 46mm (1.81") of precipitation.

The month with the most snowfall in Långön, Sweden, is December, when snow falls for 15 days and typically aggregates up to 178mm (7.01") of snow.

In December, in Långön, it is snowing for 15 days. Throughout December, 178mm (7.01") of snow is accumulated.

December has the shortest days of the year in Långön, Sweden, with an average of 3h and 30min of daylight.

In December, the average day length in Långön is 3h and 32min.

On the first day of December in Långön, sunrise is at 09:09 and sunset at 13:28. On the last day of the month, sunrise is at 09:47 and sunset at 13:18 CET.

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

In December, the average sunshine duration is 1.3h.

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

The average daily maximum UV index in December in Långön, Sweden, is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Långön, 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).

Average pressure in December
Långön, 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).

Average wind speed in December
Långön, 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).

Average humidity in December
Långön, 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%).

Average rainfall in December
Långön, 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).

Average rainfall days in December
Långön, 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).

Average snowfall in December
Långön, 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).

Average snowfall days in December
Långön, 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).

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

  • Average daylight in December: 3h and 30min

The month with the longest days is June (Average daylight: 22h and 24min).
The month with the shortest days is December (Average daylight: 3h and 30min).

  • Average sunshine in December: 1h and 18min

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).

Average sunshine days in December
Långön, 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).

Average UV index in December
Långön, 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).

Average cloud cover in December
Långön, 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).

Average visibility in December
Långön, 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).