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
With the arrival of December, Romans d'Isonzo notices a mild change in the average high-temperature, sliding from November's cool 12.6°C (54.7°F) to a frosty 8.2°C (46.8°F). Romans d'Isonzo sustains a near constant temperature throughout December, with nighttime averages of 3.6°C (38.5°F).Humidity
In December, the average relative humidity in Romans d'Isonzo is 76%.Rainfall
In December, in Romans d'Isonzo, the rain falls for 8.8 days. Throughout December, 56mm (2.2") of precipitation is accumulated. Throughout the year, there are 138.5 rainfall days, and 825mm (32.48") of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 6mm (0.24") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 07:27 and sunset at 16:23. On the last day of the month, sunrise is at 07:47 and sunset at 16:31 CET.
Sunshine
In December, the average sunshine in Romans d'Isonzo is 5.6h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Experience reduced UV exposure by about half when donning a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Romans d'Isonzo?
What is the average humidity in December in Romans d'Isonzo?
How much does it rain in Romans d'Isonzo in December?
When does it snow the most in Romans d'Isonzo?
When does it start snowing in Romans d'Isonzo?
What is the month with the shortest days in Romans d'Isonzo?
How many hours of daylight does Romans d'Isonzo have in December?
When is the sunrise / sunset in December in Romans d'Isonzo?
How long on average sun shines in December in Romans d'Isonzo?
What is the month with the lowest UV index in Romans d'Isonzo?
How high is the UV index in December in Romans d'Isonzo?
Average temperature in December
Romans d'Isonzo, Italy
- Average high temperature in December: 8.2°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 3.6°C
The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in December
Romans d'Isonzo, Italy
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The months with the lowest atmospheric pressure are May and June (1014.8mbar).
Average wind speed in December
Romans d'Isonzo, Italy
- Average wind speed in December: 8.9km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is June (8.8km/h).
Average humidity in December
Romans d'Isonzo, Italy
- Average humidity in December: 76%
The month with the highest relative humidity is November (79%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in December
Romans d'Isonzo, Italy
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is November (123mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in December
Romans d'Isonzo, Italy
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Romans d'Isonzo, Italy
- Average snowfall in December: 6mm
The month with the highest snowfall is December (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Romans d'Isonzo, Italy
- Average snowfall days in December: 0.5 days
The months with the highest number of snowfall days are February and December (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Romans d'Isonzo, Italy
- 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The months with the least sunshine are February and November (Average sunshine: 5h and 24min).
Average sunshine days in December
Romans d'Isonzo, Italy
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Romans d'Isonzo, Italy
- 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
Romans d'Isonzo, Italy
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Romans d'Isonzo, Italy
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are November and December (9km).
