December weather forecast
Tirna, Slovenia

englishespañol中文
Share

Weather in December

The first month of the winter, December, is still a cold month in Tirna, Slovenia, with an average temperature fluctuating between -1.5°C (29.3°F) and 4.6°C (40.3°F).

Temperature

Tirna's progression into December involves a gentle drop in the average high-temperature, from a frosty 9.5°C (49.1°F) in November to an icy 4.6°C (40.3°F). The mean low-temperature during December nights is a subzero cold -1.5°C (29.3°F).

Humidity

In Tirna, the average relative humidity in December is 85%.

Rainfall

In Tirna, Slovenia, during December, the rain falls for 9.5 days and regularly aggregates up to 59mm (2.32") of precipitation. In Tirna, during the entire year, the rain falls for 149.6 days and collects up to 762mm (30") of precipitation.

Snowfall

Months with snowfall in Tirna are January through April, October through December. In Tirna, in December, during 4.4 snowfall days, 121mm (4.76") of snow is typically accumulated. Throughout the year, in Tirna, there are 26.1 snowfall days, and 549mm (21.61") of snow is accumulated.

Daylight

December has the shortest days of the year in Tirna, with an average of 8h and 42min of daylight.
On the first day of December, sunrise is at 07:22 and sunset at 16:16. On the last day of the month, sunrise is at 07:42 and sunset at 16:24 CET.

Sunshine

The average sunshine in December in Tirna is 5.3h.

UV index

In Tirna, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Minimize direct exposure to the Sun during midday when its radiation is at its peak. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Jan 26, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

Is it cold in Tirna during December?

The average high-temperature, in December, in Tirna, is 4.6°C (40.3°F), while the average low-temperature is -1.5°C (29.3°F).

What is the average humidity in December in Tirna?

In December, the average relative humidity is 85%.

How much does it rain in Tirna in December?

In Tirna, in December, it is raining for 9.5 days, with typically 59mm (2.32") of accumulated precipitation.

How many days does it snow in December in Tirna?

In December, in Tirna, Slovenia, it is snowing for 4.4 days. Throughout December, 121mm (4.76") of snow is accumulated.

What is the month with the shortest days in Tirna?

December has the shortest days of the year in Tirna, Slovenia, with an average of 8h and 42min of daylight.

How many hours of daylight does Tirna have in December?

In Tirna, the average day length in December is 8h and 42min.

When is the sunrise / sunset in December in Tirna?

On the first day of December, sunrise is at 07:22 and sunset at 16:16. On the last day of the month, sunrise is at 07:42 and sunset at 16:24 CET.

How long on average sun shines in December in Tirna?

In December, the average sunshine duration in Tirna is 5.3h.

What is the UV index intensity in December in Tirna?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Tirna, Slovenia

Average temperature in December - Tirna, Slovenia
  • Average high temperature in December: 4.6°C

The warmest month (with the highest average high temperature) is July (26.2°C).
The month with the lowest average high temperature is January (3°C).

  • Average low temperature in December: -1.5°C

The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).

Average pressure in December
Tirna, Slovenia

Average pressure in December - Tirna, Slovenia
  • Average pressure in December: 1020.1mbar

The month with the highest atmospheric pressure is December (1020.1mbar).
The months with the lowest atmospheric pressure are May and June (1014.9mbar).

Average wind speed in December
Tirna, Slovenia

Average wind speed in December - Tirna, Slovenia
  • Average wind speed in December: 6.3km/h

The windiest month (with the highest average wind speed) is March (7.9km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

Average humidity in December
Tirna, Slovenia

Average humidity in December - Tirna, Slovenia
  • Average humidity in December: 85%

The month with the highest relative humidity is November (88%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in December
Tirna, Slovenia

Average rainfall in December - Tirna, Slovenia
  • Average rainfall in December: 59mm

The wettest month (with the highest rainfall) is May (85mm).
The driest month (with the least rainfall) is April (42mm).

Average rainfall days in December
Tirna, Slovenia

Average rainfall days in December - Tirna, Slovenia
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in December
Tirna, Slovenia

Average snowfall in December - Tirna, Slovenia
  • Average snowfall in December: 121mm

The month with the highest snowfall is February (172mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Tirna, Slovenia

Average snowfall days in December - Tirna, Slovenia
  • Average snowfall days in December: 4.4 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
Tirna, Slovenia

Average daylight in December / Average sunshine in December - Tirna, 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 month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in December
Tirna, Slovenia

Average sunshine days in December - Tirna, Slovenia
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (9.4 days).

Average UV index in December
Tirna, Slovenia

Average UV index in December - Tirna, 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
Tirna, Slovenia

Average cloud cover in December - Tirna, 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
Tirna, Slovenia

Average visibility in December - Tirna, Slovenia
  • Average visibility in December: 8km

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

Tirna, Slovenia

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location