Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The average high-temperature slightly decreases in December, shifting from a fresh 12.1°C (53.8°F) in November to a chilly 7.9°C (46.2°F). Oprtalj notes an average temperature descent to a wintry 3.1°C (37.6°F) in December, a small shift from its daytime peak.Humidity
The average relative humidity in December in Oprtalj, Croatia, is 79%.Rainfall
In Oprtalj, during December, the rain falls for 14.2 days and regularly aggregates up to 93mm (3.66") of precipitation. In Oprtalj, during the entire year, the rain falls for 184.2 days and collects up to 1080mm (42.52") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.1 snowfall days, it receives 10mm (0.39") of snow. Throughout the year, in Oprtalj, there are 4.2 snowfall days, and 34mm (1.34") of snow is accumulated.Daylight
The month with the shortest days in Oprtalj is December, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 07:24 and sunset at 16:23. On the last day of the month, sunrise is at 07:44 and sunset at 16:31 CET.
Sunshine
In Oprtalj, the average sunshine in December is 5.1h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Oprtalj. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Oprtalj in December?
What is the average humidity in December in Oprtalj?
How many days does it rain in December in Oprtalj?
When does it start snowing in Oprtalj?
What is the month with the shortest days in Oprtalj?
What is the average length of the day in December in Oprtalj?
What time are sunrise and sunset in December in Oprtalj?
How long on average sun shines in December in Oprtalj?
What are the months with the lowest UV index in Oprtalj?
What is the UV index intensity in December in Oprtalj?
Average temperature in December
Oprtalj, Croatia
- Average high temperature in December: 7.9°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 3.1°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Oprtalj, Croatia
- Average pressure in December: 1019.7mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The months with the lowest atmospheric pressure are May, June and July (1014.6mbar).
Average wind speed in December
Oprtalj, Croatia
- Average wind speed in December: 9.6km/h
The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest months (with the lowest average wind speed) are July and August (8.9km/h).
Average humidity in December
Oprtalj, Croatia
- Average humidity in December: 79%
The month with the highest relative humidity is November (81%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in December
Oprtalj, Croatia
- Average rainfall in December: 93mm
The wettest month (with the highest rainfall) is November (144mm).
The driest month (with the least rainfall) is January (64mm).
Average rainfall days in December
Oprtalj, Croatia
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is August (12.6 days).
Average snowfall in December
Oprtalj, Croatia
- Average snowfall in December: 10mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Oprtalj, Croatia
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Oprtalj, Croatia
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Oprtalj, Croatia
- Average sunshine days in December: 14 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is May (6.6 days).
Average UV index in December
Oprtalj, Croatia
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Oprtalj, Croatia
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Oprtalj, Croatia
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
