December weather forecast
Kemi, Finland

Weather in December

December, the first month of the winter, in Kemi, is also a subzero cold month, with temperature in the range of an average high of -2.6°C (27.3°F) and an average low of -6°C (21.2°F).

Temperature

In Kemi, Finland, the average high-temperature slightly decreases, from a wintry 1.3°C (34.3°F) in November, to a subzero cold -2.6°C (27.3°F). In Kemi, the average low-temperature is -6°C (21.2°F).

Humidity

The average relative humidity in December is 91%.

Rainfall

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

Snowfall

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

Sea temperature

In Kemi, the average water temperature is 1.9°C (35.4°F).
Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

December has the shortest days of the year in Kemi, Finland, with an average of 3.4h of daylight.

Sunshine

With an average of 1.1h of sunshine, December has the least sunshine of the year.

UV index

Months with the lowest UV index are January, March, October and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Kemi?

In December, the average relative humidity is 91%.

How much does it rain in Kemi in December?

In Kemi, in December, it is raining for 6.2 days, with typically 47mm (1.85") of accumulated precipitation.

How many days does it snow in December in Kemi?

In December, it is snowing for 18 days. Throughout December, 196mm (7.72") of snow is accumulated.

What is the sea temperature in December in Kemi?

In Kemi, Finland, in December, the average water temperature is 1.9°C (35.4°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the month with the shortest days in Kemi?

December has the shortest days of the year in Kemi, with an average of 3.4h of daylight.

What is the average length of the day in December in Kemi?

The average length of the day in December is 3.4h.

What is the month with the least sunshine in Kemi?

With an average of 1.1h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Kemi?

In December, the average sunshine is 1.1h.

What is the month with the lowest UV index in Kemi?

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?

In December, the average daily maximum UV index in Kemi is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in December
Kemi, Finland

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).

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Average pressure in December
Kemi, Finland

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).

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Average wind speed in December
Kemi, Finland

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).

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Average humidity in December
Kemi, Finland

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

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

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Average rainfall in December
Kemi, Finland

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).

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Average rainfall days in December
Kemi, Finland

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).

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Average snowfall in December
Kemi, Finland

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

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

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Average snowfall days in December
Kemi, Finland

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).
Months with the least snowfall days are July, August and September (0 days).

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Average sea temperature in December
Kemi, Finland

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).

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

Average daylight in December / Average sunshine in December - Kemi, Finland
  • Average daylight in December: 3.4h

The month with the longest days is June (Average daylight: 22.9h).
The month with the shortest days is December (Average daylight: 3.4h).

  • Average sunshine in December: 1.1h

The month with the most sunshine is July (Average sunshine: 12.3h).
The month with the least sunshine is December (Average sunshine: 1.1h).

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Average sunshine days in December
Kemi, Finland

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).

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Average UV index in December
Kemi, Finland

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).
Months with the lowest UV index are January, March, October and December (UV index 1).

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Average cloud cover in December
Kemi, Finland

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).

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Average visibility in December
Kemi, Finland

Average visibility in December - Kemi, Finland
  • Average visibility in December: 8km

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

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