December weather forecast
Kemi, Finland

December

Weather in December

December brings the coldest month of the year to Kemi, marking the peak of winter. Highlighting the severe weather conditions, pressure drops significantly to 1004.9mb, marking the lowest for the city. Snowfall at this time of the year creates a white Christmas panorama, making Kemi one of the best winter destinations in Finland. Daylight is limited, with the city experiencing some of its shortest daylight hours. Despite the intense winter cold, this time is often favored for winter-themed activities and events.

Temperature

The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from an icy 1.3°C (34.3°F) in November to a freezing cold -2.6°C (27.3°F). Kemi sees a gentle drop from the daily peak temperature in December, with an average low settling at -6°C (21.2°F).

Humidity

The average relative humidity in December in Kemi is 91%.

Rainfall

In Kemi, in December, it is raining for 6.2 days, with typically 47mm (1.85") of accumulated precipitation. In Kemi, Finland, during the entire year, the rain falls for 127 days and collects up to 472mm (18.58") of precipitation.

Snowfall

Months with snowfall are January through June, October through December. In Kemi, Finland, in December, snow falls for 18 days, with typically accumulated 196mm (7.72") of snow. Throughout the year, in Kemi, there are 98.7 snowfall days, and 1035mm (40.75") of snow is accumulated.

Sea temperature

In Kemi, in December, the average water temperature is 1.9°C (35.4°F).
Note: In the activity of swimming, this state poses an instant danger to life. Breathing control is completely lost, impeding any form of clear thinking. Employing a specialized swimsuit is crucial to minimize thermal loss.

Daylight

December has the shortest days of the year, with an average of 3h and 24min of daylight.
On the first day of December in Kemi, sunrise is at 10:05 and sunset at 14:16. On the last day of the month, sunrise is at 10:43 and sunset at 14:06 EET.

Sunshine

The month with the least sunshine in Kemi, Finland, is December, with an average of 1.1h of sunshine.

UV index

January, March, October and December, with an average maximum UV index of 1, are months with the lowest UV index in Kemi. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

How cold is it in Kemi in December?
The high-temperature, in December, in Kemi, records -2.6°C (27.3°F), while the low-temperature is -6°C (21.2°F).
What is the average humidity in December in Kemi?
The average relative humidity in December is 91%.
How much does it rain in Kemi in December?
In Kemi, Finland, in December, it is raining for 6.2 days, with typically 47mm (1.85") of accumulated precipitation.
How much does it snow in Kemi in December?
In Kemi, Finland, in December, during 18 snowfall days, 196mm (7.72") of snow is typically accumulated.
How cold is the water in December in Kemi?
In Kemi, Finland, the average seawater temperature in December is 1.9°C (35.4°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.
What is the month with the shortest days in Kemi?
December has the shortest days of the year in Kemi, Finland, with an average of 3h and 24min of daylight.
What is the average length of the day in December in Kemi?
The average day length in December is 3h and 23min.
When is the sunrise / sunset in December in Kemi?
In December, on the first day of the month, sunrise is at 10:05 and sunset at 14:16. On the last day of the month, in Kemi, sunrise is at 10:43 and sunset at 14:06 EET.
What is the month with the least sunshine in Kemi?
December has the least sunshine of the year in Kemi, with an average of 1.1h of sunshine.
How many hours of sunshine does Kemi have in December?
In December, the average sunshine duration in Kemi, Finland, is 1.1h.
What are the months with the lowest UV index in Kemi?
The months with the lowest UV index are January, March, October and December, with an average maximum UV index of 1.
What is the UV index reading in December in Kemi?
The average daily maximum UV index in December 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Kemi, Finland
  • Average high temperature in December: -2.6°C

The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (-6.3°C).

  • Average low temperature in December: -6°C

The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-10.7°C).

Average pressure in December
Kemi, Finland
  • Average pressure in December: 1004.9mbar

The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1004.9mbar).

Average wind speed in December
Kemi, Finland
  • Average wind speed in December: 17.2km/h

The windiest month (with the highest average wind speed) is November (17.7km/h).
The calmest month (with the lowest average wind speed) is April (12.4km/h).

Average humidity in December
Kemi, Finland
  • Average humidity in December: 91%

The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (71%).

Average rainfall in December
Kemi, Finland
  • Average rainfall in December: 47mm

The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (28mm).

Average rainfall days in December
Kemi, Finland
  • Average rainfall days in December: 6.2 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in December
Kemi, Finland
  • Average snowfall in December: 196mm

The month with the highest snowfall is March (228mm).
The months with the least snowfall are July, August and September (0mm).

Average snowfall days in December
Kemi, Finland
  • Average snowfall days in December: 18 days

The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are July, August and September (0 days).

Average sea temperature in December
Kemi, Finland
  • Average sea temperature in December: 1.9°C

The best month for swimming (with the highest average sea temperature) is July (16.8°C).
The coldest months (with the lowest average sea temperature) are January and February (-0.7°C).

Average daylight in December /
Average sunshine in December
Kemi, Finland
  • Average daylight in December: 3h and 2min

The month with the longest days is July (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 3h and 24min).

  • Average sunshine in December: 1h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).

Average sunshine days in December
Kemi, Finland
  • Average sunshine days in December: 9.9 days

The month with the most sunshine days is October (13.9 days).
The month with the least sunshine days is December (9.9 days).

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

Average cloud cover in December
Kemi, Finland
  • Average cloud cover in December: 72

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 40).

Average visibility in December
Kemi, Finland
  • 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).

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