December weather forecastKouva, Finland

December

Weather in December

The first month of the winter, December, is also a subzero cold month in Kouva, Finland, with an average temperature varying between -8.5°C (16.7°F) and -4.6°C (23.7°F).

Temperature

The average high-temperature shows a slight dip in December, from November's freezing cold -0.6°C (30.9°F) to a still subzero cold -4.6°C (23.7°F). Kouva's December nights experience a subtle temperature dip to an average of -8.5°C (16.7°F).

Humidity

January, February and December, with an average relative humidity of 96%, are the most humid months.

Rainfall

In December, the rain falls for 4.9 days. Throughout December, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 134 rainfall days, and 527mm (20.75") of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. In December, it is snowing for 23.5 days. Throughout December, 277mm (10.91") of snow is accumulated. In Kouva, Finland, during the entire year, snow falls for 133.6 days and aggregates up to 1512mm (59.53") of snow.

Daylight

The month with the shortest days is December, with an average of 3h and 18min of daylight.
On the first day of the month, sunrise is at 09:54 and sunset at 14:02. On the last day of December, sunrise is at 10:33 and sunset at 13:51 EET.

Sunshine

December has the least sunshine of the year, with an average of 0.7h of sunshine.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: During December, 1 as the daily maximum UV index converts into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.

Frequently asked questions

An average high-temperature, in December, in Kouva, is -4.6°C (23.7°F) and the average low-temperature is -8.5°C (16.7°F).

January, February and December, with an average relative humidity of 96%, are most humid months.

In Kouva, the average relative humidity in December is 96%.

In Kouva, in December, during 4.9 rainfall days, 42mm (1.65") of precipitation is typically accumulated.

In December, it is snowing for 23.5 days. Throughout December, 277mm (10.91") of snow is accumulated.

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

In Kouva, the average day length in December is 3h and 18min.

On the first day of December, sunrise is at 09:54 and sunset at 14:02. On the last day of the month, sunrise is at 10:33 and sunset at 13:51 EET.

December has the least sunshine of the year, with an average of 0.7h of sunshine.

In Kouva, the average sunshine duration in December is 0.7h.

January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index.

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Kouva, Finland

  • Average high temperature in December: -4.6°C

The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (-7.7°C).

  • Average low temperature in December: -8.5°C

The month with the highest average low temperature is July (11°C).
The coldest month (with the lowest average low temperature) is January (-12.7°C).

Average pressure in December
Kouva, Finland

  • Average pressure in December: 1005.7mbar

The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).

Average wind speed in December
Kouva, Finland

  • Average wind speed in December: 11.6km/h

The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is July (9.5km/h).

Average humidity in December
Kouva, Finland

  • Average humidity in December: 96%

The months with the highest relative humidity are January, February and December (96%).
The month with the lowest relative humidity is June (69%).

Average rainfall in December
Kouva, Finland

  • Average rainfall in December: 42mm

The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (29mm).

Average rainfall days in December
Kouva, Finland

  • Average rainfall days in December: 4.9 days

The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in December
Kouva, Finland

  • Average snowfall in December: 277mm

The month with the highest snowfall is March (284mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in December
Kouva, Finland

  • Average snowfall days in December: 23.5 days

The month with the highest number of snowfall days is December (23.5 days).
The months with the least snowfall days are July and August (0 days).

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

  • Average daylight in December: 3h and 18min

The month with the longest days is July (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 3h and 18min).

  • Average sunshine in December: 0h and 42min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).

Average sunshine days in December
Kouva, Finland

  • Average sunshine days in December: 7.3 days

The month with the most sunshine days is October (12 days).
The month with the least sunshine days is April (6.8 days).

Average UV index in December
Kouva, 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, October, November and December (UV index 1).

Average cloud cover in December
Kouva, Finland

  • Average cloud cover in December: 81

The months with the most cloud cover are January and December (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 47).

Average visibility in December
Kouva, Finland

  • Average visibility in December: 5km

The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February, March, April and December (5km).