December weather forecastKalix, Sweden

December

Weather in December

The first month of the winter, December, is still a freezing cold month in Kalix, Sweden, with an average temperature ranging between max -2.7°C (27.1°F) and min -6.5°C (20.3°F).

Temperature

The arrival of December suggests a slight decrease in the average high-temperature, moving from an icy 0.6°C (33.1°F) in November to a subzero cold -2.7°C (27.1°F). Nighttime temperature in Kalix sees a small decrement from daytime highs, dipping to an average of -6.5°C (20.3°F) during December.

Humidity

In December, the average relative humidity is 91%.

Rainfall

The month with the most rainfall is December, when the rain falls for 6 days and typically aggregates up to 51mm (2.01") of precipitation.

Snowfall

January through June, September through December are months with snowfall in Kalix. In Kalix, Sweden, during December, snow falls for 17.8 days and regularly aggregates up to 229mm (9.02") of snow. In Kalix, during the entire year, snow falls for 96.5 days and aggregates up to 1080mm (42.52") of snow.

Sea temperature

In December, the average sea temperature in Kalix, Sweden, is 2.3°C (36.1°F).
Note: When swimming, this is deemed life-endangering and extremely risky. The painful cold water instigates fast-paced hyperventilation. Wearing a specialized swimsuit is necessary to lessen thermal harm.

Daylight

December has the shortest days of the year in Kalix, with an average of 3h and 18min of daylight.
On the first day of December, sunrise is at 09:12 and sunset at 13:20. On the last day of the month, sunrise is at 09:52 and sunset at 13:09 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 in Kalix are January, March and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 1 during December translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

The high-temperature in Kalix during December is -2.7°C (27.1°F) and the low-temperature is -6.5°C (20.3°F).

The average relative humidity in December is 91%.

December is the month with the most rainfall in Kalix, Sweden. Rain falls for 6 days and accumulates 51mm (2.01") of precipitation.

In Kalix, in December, during 6 rainfall days, 51mm (2.01") of precipitation is typically accumulated.

In Kalix, Sweden, during December, snow falls for 17.8 days and regularly aggregates up to 229mm (9.02") of snow.

In December, the average sea temperature in Kalix, Sweden, is 2.3°C (36.1°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

December has the shortest days of the year, with an average of 3h and 18min of daylight.

The average day length in December in Kalix, Sweden, is 3h and 17min.

In December, on the first day of the month, sunrise is at 09:12 and sunset at 13:20. On the last day of the month, in Kalix, sunrise is at 09:52 and sunset at 13:09 CET.

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

In Kalix, Sweden, the average sunshine duration in December is 1.3h.

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

In Kalix, Sweden, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Kalix, Sweden

  • Average high temperature in December: -2.7°C

The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-6.3°C).

  • Average low temperature in December: -6.5°C

The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-11.1°C).

Average pressure in December
Kalix, 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
Kalix, Sweden

  • Average wind speed in December: 15.9km/h

The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest month (with the lowest average wind speed) is April (12.2km/h).

Average humidity in December
Kalix, Sweden

  • Average humidity in December: 91%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is June (68%).

Average rainfall in December
Kalix, Sweden

  • Average rainfall in December: 51mm

The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in December
Kalix, Sweden

  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in December
Kalix, Sweden

  • Average snowfall in December: 229mm

The month with the highest snowfall is March (231mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in December
Kalix, Sweden

  • Average snowfall days in December: 17.8 days

The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are July and August (0 days).

Average sea temperature in December
Kalix, Sweden

  • Average sea temperature in December: 2.3°C

The best month for swimming (with the highest average sea temperature) is July (16.8°C).
The coldest month (with the lowest average sea temperature) is February (-0.8°C).

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

  • Average daylight in December: 3h and 18min

The month with the longest days is July (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 3h and 18min).

  • Average sunshine in December: 1h and 18min

The month with the most sunshine is July (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).

Average sunshine days in December
Kalix, Sweden

  • Average sunshine days in December: 10.6 days

The months with the most sunshine days are June and August (16.3 days).
The month with the least sunshine days is April (9.8 days).

Average UV index in December
Kalix, 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, March and December (UV index 1).

Average cloud cover in December
Kalix, Sweden

  • Average cloud cover in December: 69

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 40).

Average visibility in December
Kalix, Sweden

  • Average visibility in December: 8km

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