December weather forecast
Polzela, Slovenia

December

Weather in December

December, the first month of the winter in Polzela, is also an icy month, with an average temperature varying between 4.3°C (39.7°F) and -1.6°C (29.1°F).

Temperature

The commencement of December indicates a gentle shift in the average high-temperature, receding from November's chilly 9.1°C (48.4°F) to a cold 4.3°C (39.7°F). December in Polzela witnesses an average low-temperature hovering around a freezing cold -1.6°C (29.1°F).

Humidity

The average relative humidity in December is 85%.

Rainfall

In Polzela, in December, during 9.9 rainfall days, 46mm (1.81") of precipitation is typically accumulated. Throughout the year, in Polzela, there are 179.3 rainfall days, and 854mm (33.62") of precipitation is accumulated.

Snowfall

Months with snowfall in Polzela, Slovenia, are January through April, October through December. In Polzela, during December, snow falls for 4.9 days and regularly aggregates up to 81mm (3.19") of snow. Throughout the year, there are 26.3 snowfall days, and 511mm (20.12") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 42min of daylight.
On the first day of the month, sunrise is at 07:22 and sunset at 16:15. On the last day of December, in Polzela, sunrise is at 07:42 and sunset at 16:23 CET.

Sunshine

The average sunshine in December is 5.4h.

UV index

The average daily maximum UV index in December in Polzela is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

How cold is December in Polzela?
December temperatures in Polzela vary between a high-temperature of 4.3°C (39.7°F) and a low-temperature of -1.6°C (29.1°F).
What is the average humidity in December in Polzela?
In Polzela, Slovenia, the average relative humidity in December is 85%.
How many days does it rain in December in Polzela?
In Polzela, in December, during 9.9 rainfall days, 46mm (1.81") of precipitation is typically accumulated.
How much does it snow in Polzela in December?
In Polzela, Slovenia, in December, snow falls for 4.9 days, with typically accumulated 81mm (3.19") of snow.
What is the month with the shortest days in Polzela?
With an average of 8h and 42min of daylight, December has the shortest days of the year in Polzela, Slovenia.
What is the average length of the day in December in Polzela?
The average day length in December in Polzela is 8h and 41min.
What time are sunrise and sunset in December in Polzela?
On the first day of December, sunrise is at 07:22 and sunset at 16:15. On the last day of the month, sunrise is at 07:42 and sunset at 16:23 CET.
How long on average sun shines in December in Polzela?
In Polzela, Slovenia, the average sunshine duration in December is 5.4h.
What is the UV index intensity in December in Polzela?
In Polzela, the average daily maximum UV index in December is 2. A UV Index value 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
Polzela, Slovenia
  • Average high temperature in December: 4.3°C

The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (2.6°C).

  • Average low temperature in December: -1.6°C

The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

Average pressure in December
Polzela, Slovenia
  • Average pressure in December: 1020.4mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May and June (1015mbar).

Average wind speed in December
Polzela, Slovenia
  • Average wind speed in December: 6.4km/h

The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).

Average humidity in December
Polzela, Slovenia
  • Average humidity in December: 85%

The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
Polzela, Slovenia
  • Average rainfall in December: 46mm

The wettest month (with the highest rainfall) is May (120mm).
The driest month (with the least rainfall) is January (33mm).

Average rainfall days in December
Polzela, Slovenia
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in December
Polzela, Slovenia
  • Average snowfall in December: 81mm

The month with the highest snowfall is February (185mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Polzela, Slovenia
  • Average snowfall days in December: 4.9 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Polzela, Slovenia
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 5h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in December
Polzela, Slovenia
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is May (5.9 days).

Average UV index in December
Polzela, Slovenia
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and November (UV index 1).

Average cloud cover in December
Polzela, Slovenia
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
Polzela, Slovenia
  • Average visibility in December: 8km

The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, October and November (7km).

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