December weather forecastGrlava, Slovenia
December
Weather in December
The first month of the winter, December, is also an icy month in Grlava, Slovenia, with temperature in the range of an average low of -0.3°C (31.5°F) and an average high of 4.6°C (40.3°F).Temperature
Grlava's average high-temperature decreases in December, falling from a cool 10°C (50°F) in November to an icy 4.6°C (40.3°F). Grlava's evenings during December maintain an average temperature of -0.3°C (31.5°F), aligning closely with the daytime temperatures.Humidity
In Grlava, Slovenia, the average relative humidity in December is 83%.Rainfall
In Grlava, Slovenia, during December, the rain falls for 9.9 days and regularly aggregates up to 45mm (1.77") of precipitation. In Grlava, during the entire year, the rain falls for 150.5 days and collects up to 599mm (23.58") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Grlava, Slovenia, during December, snow falls for 4.1 days and regularly aggregates up to 54mm (2.13") of snow. Throughout the year, in Grlava, there are 24.1 snowfall days, and 350mm (13.78") of snow is accumulated.Daylight
December has the shortest days of the year in Grlava, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 07:19 and sunset at 16:09. On the last day of December, sunrise is at 07:39 and sunset at 16:17 CET.
Sunshine
In December, the average sunshine in Grlava, Slovenia, is 5.4h.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Grlava, Slovenia. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grlava, Slovenia
- Average high temperature in December: 4.6°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in December: -0.3°C
The months with the highest average low temperature are July and August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in December
Grlava, Slovenia
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The months with the lowest atmospheric pressure are May and June (1014.9mbar).
Average wind speed in December
Grlava, Slovenia
- Average wind speed in December: 9.2km/h
The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in December
Grlava, Slovenia
- Average humidity in December: 83%
The months with the highest relative humidity are January and November (84%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Grlava, Slovenia
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is May (81mm).
The driest month (with the least rainfall) is January (34mm).
Average rainfall days in December
Grlava, Slovenia
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in December
Grlava, Slovenia
- Average snowfall in December: 54mm
The month with the highest snowfall is January (117mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Grlava, Slovenia
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is January (8.5 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
Grlava, Slovenia
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Grlava, Slovenia
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in December
Grlava, Slovenia
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in December
Grlava, Slovenia
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Grlava, Slovenia
- Average visibility in December: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and November (8km).
