December weather forecastKökar, Finland

December

Weather in December

December, the first month of the winter in Kökar, is also a wintry month, with temperature in the range of an average high of 3.5°C (38.3°F) and an average low of 1.7°C (35.1°F).

Temperature

December indicates a minor shift in the average high-temperature, from November's chilly 6.7°C (44.1°F) to a wintry 3.5°C (38.3°F). Throughout the nights in December, Kökar notes an average low of 1.7°C (35.1°F), a small dip from the daytime peak.

Humidity

The average relative humidity in December in Kökar, Finland, is 81%.

Rainfall

In Kökar, in December, during 11.8 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, there are 132.5 rainfall days, and 310mm (12.2") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Kökar, in December, snow falls for 7.5 days, with typically accumulated 29mm (1.14") of snow. Throughout the year, in Kökar, there are 38.5 snowfall days, and 160mm (6.3") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 6h and 6min of daylight.
On the first day of the month, sunrise is at 09:11 and sunset at 15:39. On the last day of December, in Kökar, sunrise is at 09:37 and sunset at 15:41 EET.

Sunshine

The month with the least sunshine is December, with an average of 2h of sunshine.

UV index

The months with the lowest UV index are January through March and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 1 during December translates into the following directions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

In December, in Kökar, the average high-temperature is 3.5°C (38.3°F), and the average low-temperature is 1.7°C (35.1°F).

In December, the average relative humidity in Kökar is 81%.

In Kökar, Finland, in December, during 11.8 rainfall days, 33mm (1.3") of precipitation is typically accumulated.

In December, in Kökar, it is snowing for 7.5 days. Throughout December, 29mm (1.14") of snow is accumulated.

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

In Kökar, the average day length in December is 6h and 4min.

In December, on the first day of the month, sunrise is at 09:11 and sunset at 15:39. On the last day of the month, in Kökar, sunrise is at 09:37 and sunset at 15:41 EET.

With an average of 2h of sunshine, December has the least sunshine of the year.

In December, the average sunshine duration is 2h.

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

In Kökar, Finland, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Kökar, Finland

  • Average high temperature in December: 3.5°C

The warmest month (with the highest average high temperature) is August (18.1°C).
The month with the lowest average high temperature is February (0.3°C).

  • Average low temperature in December: 1.7°C

The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (-1.7°C).

Average pressure in December
Kökar, Finland

  • Average pressure in December: 1007.8mbar

The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).

Average wind speed in December
Kökar, Finland

  • Average wind speed in December: 34.1km/h

The windiest month (with the highest average wind speed) is December (34.1km/h).
The calmest month (with the lowest average wind speed) is July (21.2km/h).

Average humidity in December
Kökar, Finland

  • Average humidity in December: 81%

The months with the highest relative humidity are February and March (84%).
The months with the lowest relative humidity are August, September and October (78%).

Average rainfall in December
Kökar, Finland

  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is September (38mm).
The driest month (with the least rainfall) is April (12mm).

Average rainfall days in December
Kökar, Finland

  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in December
Kökar, Finland

  • Average snowfall in December: 29mm

The month with the highest snowfall is January (41mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Kökar, Finland

  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Kökar, Finland

  • Average daylight in December: 6h and 6min

The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).

  • Average sunshine in December: 2h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 2h).

Average sunshine days in December
Kökar, Finland

  • Average sunshine days in December: 8.9 days

The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is December (8.9 days).

Average UV index in December
Kökar, Finland

  • 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 and December (UV index 1).

Average cloud cover in December
Kökar, Finland

  • Average cloud cover in December: 71

The months with the most cloud cover are January and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in December
Kökar, Finland

  • Average visibility in December: 9km

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