December weather forecastKaroli, Estonia

December

Weather in December

The first month of the winter, December, is still a freezing cold month in Karoli, Estonia, with temperature in the range of an average high of -0.9°C (30.4°F) and an average low of -3.9°C (25°F).

Temperature

Karoli observes a small decrease in the average high-temperature with the arrival of December, falling from November's icy 3.2°C (37.8°F) to a subzero cold -0.9°C (30.4°F). Karoli's December nights experience a subtle temperature dip to an average of -3.9°C (25°F).

Humidity

In Karoli, Estonia, the average relative humidity in December is 92%.

Rainfall

In Karoli, in December, it is raining for 7.3 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, there are 136.2 rainfall days, and 406mm (15.98") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Karoli, Estonia, during December, snow falls for 16.5 days and regularly aggregates up to 146mm (5.75") of snow. In Karoli, during the entire year, snow falls for 81.9 days and aggregates up to 782mm (30.79") of snow.

Daylight

With an average of 6h and 18min of daylight, December has the shortest days of the year in Karoli.
On the first day of the month, sunrise is at 08:37 and sunset at 15:19. On the last day of December, sunrise is at 09:02 and sunset at 15:21 EET.

Sunshine

The month with the least sunshine is December, with an average of 1.2h of sunshine.

UV index

The months with the lowest UV index in Karoli are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 1 during December translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

During December, Karoli experiences an average high-temperature of -0.9°C (30.4°F) and a low-temperature of -3.9°C (25°F).

In Karoli, the average relative humidity in December is 92%.

In Karoli, during December, the rain falls for 7.3 days and regularly aggregates up to 31mm (1.22") of precipitation.

In Karoli, in December, snow falls for 16.5 days, with typically accumulated 146mm (5.75") of snow.

December has the shortest days of the year in Karoli, with an average of 6h and 18min of daylight.

In December, the average day length is 6h and 19min.

In December, on the first day of the month, sunrise is at 08:37 and sunset at 15:19. On the last day of the month, in Karoli, sunrise is at 09:02 and sunset at 15:21 EET.

With an average of 1.2h of sunshine, December has the least sunshine of the year in Karoli.

The average sunshine duration in December is 1.2h.

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Karoli.

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a low health risk from 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
Karoli, Estonia

  • Average high temperature in December: -0.9°C

The warmest month (with the highest average high temperature) is July (22.8°C).
The month with the lowest average high temperature is January (-3.6°C).

  • Average low temperature in December: -3.9°C

The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-7.6°C).

Average pressure in December
Karoli, Estonia

  • Average pressure in December: 1010.5mbar

The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1010.5mbar).

Average wind speed in December
Karoli, Estonia

  • Average wind speed in December: 14.4km/h

The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is May (10.7km/h).

Average humidity in December
Karoli, Estonia

  • Average humidity in December: 92%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (70%).

Average rainfall in December
Karoli, Estonia

  • Average rainfall in December: 31mm

The wettest month (with the highest rainfall) is August (49mm).
The driest month (with the least rainfall) is March (25mm).

Average rainfall days in December
Karoli, Estonia

  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (4 days).

Average snowfall in December
Karoli, Estonia

  • Average snowfall in December: 146mm

The month with the highest snowfall is February (178mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Karoli, Estonia

  • Average snowfall days in December: 16.5 days

The months with the highest number of snowfall days are January and February (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Karoli, Estonia

  • Average daylight in December: 6h and 18min

The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).

  • Average sunshine in December: 1h and 12min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).

Average sunshine days in December
Karoli, Estonia

  • Average sunshine days in December: 10 days

The month with the most sunshine days is May (16.5 days).
The month with the least sunshine days is December (10 days).

Average UV index in December
Karoli, Estonia

  • 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
Karoli, Estonia

  • Average cloud cover in December: 84

The month with the most cloud cover is December (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in December
Karoli, Estonia

  • Average visibility in December: 8km

The months with the highest visibility are May, June, July, August and September (9km).
The month with the lowest visibility is February (6km).