December weather forecastLestijärvi, Finland

December

Weather in December

December, the first month of the winter in Lestijärvi, is also a subzero cold month, with an average temperature ranging between min -6.6°C (20.1°F) and max -3.2°C (26.2°F).

Temperature

The shift from November to December includes a small decrease in the average high-temperature, from a cold 0.8°C (33.4°F) to a subzero cold -3.2°C (26.2°F). Lestijärvi experiences an average nighttime temperature of -6.6°C (20.1°F) in December, reflecting a minor difference from the day's peak.

Humidity

In Lestijärvi, the average relative humidity in December is 94%.

Rainfall

In Lestijärvi, Finland, in December, it is raining for 5.7 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, there are 118.8 rainfall days, and 391mm (15.39") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 21.5 days and accumulates 200mm (7.87") of snow.

Daylight

December has the shortest days of the year, with an average of 4h and 42min of daylight.
On the first day of the month, sunrise is at 09:32 and sunset at 14:48. On the last day of December, sunrise is at 10:03 and sunset at 14:45 EET.

Sunshine

With an average of 0.9h 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 Lestijärvi. A UV Index 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 maximum UV index of 1 suggests these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

The average high-temperature, in December, in Lestijärvi, is -3.2°C (26.2°F), while the average low-temperature is -6.6°C (20.1°F).

In December, the average relative humidity is 94%.

In Lestijärvi, in December, it is raining for 5.7 days, with typically 33mm (1.3") of accumulated precipitation.

The month with the most snowfall is December, when snow falls for 21.5 days and typically aggregates up to 200mm (7.87") of snow.

In Lestijärvi, in December, snow falls for 21.5 days, with typically accumulated 200mm (7.87") of snow.

December has the shortest days of the year, with an average of 4h and 42min of daylight.

The average day length in December is 4h and 42min.

On the first day of December, sunrise is at 09:32 and sunset at 14:48. On the last day of the month, sunrise is at 10:03 and sunset at 14:45 EET.

With an average of 0.9h of sunshine, December has the least sunshine of the year.

In Lestijärvi, the average sunshine duration in December is 0.9h.

January through March, November and 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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lestijärvi, Finland

  • Average high temperature in December: -3.2°C

The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (-5.8°C).

  • Average low temperature in December: -6.6°C

The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is January (-10°C).

Average pressure in December
Lestijärvi, Finland

  • Average pressure in December: 1006mbar

The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1006mbar).

Average wind speed in December
Lestijärvi, Finland

  • Average wind speed in December: 11.5km/h

The windiest month (with the highest average wind speed) is December (11.5km/h).
The calmest month (with the lowest average wind speed) is July (8.9km/h).

Average humidity in December
Lestijärvi, Finland

  • Average humidity in December: 94%

The month with the highest relative humidity is January (96%).
The month with the lowest relative humidity is June (67%).

Average rainfall in December
Lestijärvi, Finland

  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in December
Lestijärvi, Finland

  • Average rainfall days in December: 5.7 days

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in December
Lestijärvi, Finland

  • Average snowfall in December: 200mm

The month with the highest snowfall is December (200mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Lestijärvi, Finland

  • Average snowfall days in December: 21.5 days

The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July and August (0 days).

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

  • Average daylight in December: 4h and 42min

The month with the longest days is June (Average daylight: 20h and 24min).
The month with the shortest days is December (Average daylight: 4h and 42min).

  • Average sunshine in December: 0h and 54min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).

Average sunshine days in December
Lestijärvi, Finland

  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (8.5 days).

Average UV index in December
Lestijärvi, 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
Lestijärvi, Finland

  • Average cloud cover in December: 79

The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is June (Cloud cover 47).

Average visibility in December
Lestijärvi, Finland

  • Average visibility in December: 6km

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