December weather forecast
Kyminlinna, Finland

December

Weather in December

December, the first month of the winter in Kyminlinna, is also an icy month, with an average temperature varying between -2.1°C (28.2°F) and 0.8°C (33.4°F).

Temperature

With December's onset, the weather reveals a slight temperature decrease, transitioning from a wintry 4.3°C (39.7°F) in November to a still cold 0.8°C (33.4°F). In December, Kyminlinna's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of -2.1°C (28.2°F).

Humidity

In Kyminlinna, Finland, the average relative humidity in December is 87%.

Rainfall

In Kyminlinna, in December, it is raining for 10.4 days, with typically 55mm (2.17") of accumulated precipitation. Throughout the year, in Kyminlinna, there are 158.3 rainfall days, and 569mm (22.4") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Kyminlinna, in December, during 15.7 snowfall days, 141mm (5.55") of snow is typically accumulated. In Kyminlinna, Finland, during the entire year, snow falls for 85.1 days and aggregates up to 670mm (26.38") of snow.

Daylight

The month with the shortest days is December, with an average of 5h and 54min of daylight.
On the first day of December, sunrise is at 08:52 and sunset at 15:10. On the last day of the month, sunrise is at 09:19 and sunset at 15:11 EET.

Sunshine

With an average of 1.7h of sunshine, December has the least sunshine of the year.

UV index

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Kyminlinna. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

How cold is December in Kyminlinna?
The high-temperature in Kyminlinna, Finland, during December is 0.8°C (33.4°F) and the low-temperature is -2.1°C (28.2°F).
What is the average humidity in December in Kyminlinna?
In December, the average relative humidity is 87%.
How much does it rain in Kyminlinna in December?
In Kyminlinna, Finland, during December, the rain falls for 10.4 days and regularly aggregates up to 55mm (2.17") of precipitation.
How many days does it snow in December in Kyminlinna?
In Kyminlinna, Finland, during December, snow falls for 15.7 days and regularly aggregates up to 141mm (5.55") of snow.
What is the month with the shortest days in Kyminlinna?
With an average of 5h and 54min of daylight, December has the shortest days of the year in Kyminlinna, Finland.
What is the average length of the day in December in Kyminlinna?
In December, the average day length is 5h and 53min.
When is the sunrise / sunset in December in Kyminlinna?
On the first day of December in Kyminlinna, sunrise is at 08:52 and sunset at 15:10. On the last day of the month, sunrise is at 09:19 and sunset at 15:11 EET.
What is the month with the least sunshine in Kyminlinna?
With an average of 1.7h of sunshine, December has the least sunshine of the year in Kyminlinna, Finland.
How many hours of sunshine does Kyminlinna have in December?
In Kyminlinna, the average sunshine duration in December is 1.7h.
What is the month with the lowest UV index in Kyminlinna?
The months with the lowest UV index in Kyminlinna, Finland, are January through March, November and December, with an average maximum UV index of 1.
What is the UV index intensity in December in Kyminlinna?
The average daily maximum UV index in December in Kyminlinna, Finland, is 1. A UV Index reading of 2, and below, represents 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Kyminlinna, Finland
Average temperature in December
Kyminlinna, Finland
  • Average high temperature in December: 0.8°C

The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is February (-2.7°C).

  • Average low temperature in December: -2.1°C

The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is February (-6.3°C).

Average pressure in December - Kyminlinna, Finland
Average pressure in December
Kyminlinna, Finland
  • Average pressure in December: 1008.9mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).

Average wind speed in December - Kyminlinna, Finland
Average wind speed in December
Kyminlinna, Finland
  • Average wind speed in December: 23.7km/h

The windiest month (with the highest average wind speed) is December (23.7km/h).
The calmest month (with the lowest average wind speed) is July (15.5km/h).

Average humidity in December - Kyminlinna, Finland
Average humidity in December
Kyminlinna, Finland
  • Average humidity in December: 87%

The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).

Average rainfall in December - Kyminlinna, Finland
Average rainfall in December
Kyminlinna, Finland
  • Average rainfall in December: 55mm

The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (29mm).

Average rainfall days in December - Kyminlinna, Finland
Average rainfall days in December
Kyminlinna, Finland
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is October (17.6 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in December - Kyminlinna, Finland
Average snowfall in December
Kyminlinna, Finland
  • Average snowfall in December: 141mm

The month with the highest snowfall is January (148mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December - Kyminlinna, Finland
Average snowfall days in December
Kyminlinna, Finland
  • Average snowfall days in December: 15.7 days

The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Kyminlinna, Finland
Average daylight in December /
Average sunshine in December
Kyminlinna, Finland
  • Average daylight in December: 5h and 5min

The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).

  • Average sunshine in December: 1h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).

Average sunshine days in December - Kyminlinna, Finland
Average sunshine days in December
Kyminlinna, Finland
  • Average sunshine days in December: 6.4 days

The month with the most sunshine days is May (15.2 days).
The month with the least sunshine days is December (6.4 days).

Average UV index in December - Kyminlinna, Finland
Average UV index in December
Kyminlinna, 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, November and December (UV index 1).

Average cloud cover in December - Kyminlinna, Finland
Average cloud cover in December
Kyminlinna, Finland
  • Average cloud cover in December: 77

The months with the most cloud cover are January and December (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 37).

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

The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).

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