December weather forecastGruča, Slovenia
December
Weather in December
The first month of the winter, December, is also an icy month in Gruča, Slovenia, with an average temperature varying between -1.1°C (30°F) and 4.9°C (40.8°F).Temperature
The move into December indicates a reduction in the average high-temperature, down from November's frosty 9.9°C (49.8°F) to a cold 4.9°C (40.8°F). During the nights in December, Gruča experiences a consistent average temperature of -1.1°C (30°F).Humidity
In December, the average relative humidity in Gruča is 86%.Rainfall
In Gruča, Slovenia, in December, during 11 rainfall days, 55mm (2.17") of precipitation is typically accumulated. Throughout the year, there are 159.5 rainfall days, and 752mm (29.61") of precipitation is accumulated.Snowfall
Months with snowfall in Gruča are January through April, October through December. In Gruča, in December, snow falls for 5.4 days, with typically accumulated 129mm (5.08") of snow. In Gruča, during the entire year, snow falls for 28.3 days and aggregates up to 575mm (22.64") of snow.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:19 and sunset at 16:15. On the last day of December, sunrise is at 07:39 and sunset at 16:23 CET.
Sunshine
In Gruča, the average sunshine in December is 5.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, an average UV index of 2 transforms into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gruča, Slovenia
- Average high temperature in December: 4.9°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in December: -1.1°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
Gruča, Slovenia
- Average pressure in December: 1020.2mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The months with the lowest atmospheric pressure are May and June (1014.8mbar).
Average wind speed in December
Gruča, Slovenia
- Average wind speed in December: 6.3km/h
The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in December
Gruča, Slovenia
- Average humidity in December: 86%
The months with the highest relative humidity are January and November (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Gruča, Slovenia
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is January (42mm).
Average rainfall days in December
Gruča, Slovenia
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in December
Gruča, Slovenia
- Average snowfall in December: 129mm
The month with the highest snowfall is February (154mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Gruča, Slovenia
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (9 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
Gruča, Slovenia
- Average daylight in December: 8h and 42min
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 12min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Gruča, Slovenia
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in December
Gruča, 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, February, November and December (UV index 2).
Average cloud cover in December
Gruča, Slovenia
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Gruča, 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).
