December weather forecastFinström, Finland

December

Weather in December

The first month of the winter, December, is still a cold month in Finström, Finland, with temperature in the range of an average high of 3.5°C (38.3°F) and an average low of 1.3°C (34.3°F).

Temperature

In Finström, December's average high-temperature stands at an icy 3.5°C (38.3°F), closely related to the preceding month. Finström's December nights observe a minor shift from the daytime temperatures, resulting in an average dip to a still cold 1.3°C (34.3°F).

Humidity

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

Rainfall

In Finström, Finland, in December, it is raining for 8.8 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, in Finström, there are 116.3 rainfall days, and 274mm (10.79") of precipitation is accumulated.

Snowfall

Months with snowfall in Finström are January through May, October through December. In Finström, Finland, in December, during 7.5 snowfall days, 35mm (1.38") of snow is typically accumulated. Throughout the year, in Finström, Finland, there are 40.1 snowfall days, and 160mm (6.3") of snow is accumulated.

Daylight

With an average of 6h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 09:17 and sunset at 15:40. On the last day of the month, sunrise is at 09:44 and sunset at 15:42 EET.

Sunshine

January and December, with an average of 2.2h of sunshine, are months with the least sunshine.

UV index

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

The high-temperature in Finström during December is 3.5°C (38.3°F) and the low-temperature is 1.3°C (34.3°F).

In December, the average relative humidity is 81%.

In Finström, Finland, in December, it is raining for 8.8 days, with typically 27mm (1.06") of accumulated precipitation.

In Finström, Finland, in December, during 7.5 snowfall days, 35mm (1.38") of snow is typically accumulated.

December has the shortest days of the year in Finström, with an average of 6h and 0min of daylight.

The average day length in December in Finström, Finland, is 5h and 58min.

On the first day of December in Finström, Finland, sunrise is at 09:17 and sunset at 15:40. On the last day of the month, sunrise is at 09:44 and sunset at 15:42 EET.

The months with the least sunshine are January and December, with an average of 2.2h of sunshine.

In Finström, the average sunshine duration in December is 2.2h.

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

  • Average high temperature in December: 3.5°C

The warmest month (with the highest average high temperature) is August (17.6°C).
The month with the lowest average high temperature is February (0.5°C).

  • Average low temperature in December: 1.3°C

The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).

Average pressure in December
Finström, Finland

  • Average pressure in December: 1007.4mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).

Average wind speed in December
Finström, Finland

  • Average wind speed in December: 31.7km/h

The windiest month (with the highest average wind speed) is December (31.7km/h).
The calmest month (with the lowest average wind speed) is July (20km/h).

Average humidity in December
Finström, Finland

  • Average humidity in December: 81%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and October (78%).

Average rainfall in December
Finström, Finland

  • Average rainfall in December: 27mm

The wettest month (with the highest rainfall) is October (32mm).
The driest month (with the least rainfall) is April (11mm).

Average rainfall days in December
Finström, Finland

  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is August (14.2 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in December
Finström, Finland

  • Average snowfall in December: 35mm

The month with the highest snowfall is January (44mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Finström, Finland

  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 6h and 0min

The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).

  • Average sunshine in December: 2h and 12min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 2h and 12min).

Average sunshine days in December
Finström, Finland

  • Average sunshine days in December: 11.1 days

The month with the most sunshine days is May (20.5 days).
The month with the least sunshine days is December (11.1 days).

Average UV index in December
Finström, Finland

  • Average UV index in December: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and March (UV index 1).

Average cloud cover in December
Finström, Finland

  • Average cloud cover in December: 69

The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 35).

Average visibility in December
Finström, 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).