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
December begins with an average high-temperature of a subzero cold -1.4°C (29.5°F), reflecting close similarity to the preceding month. An average low-temperature of -9.5°C (14.9°F) is expected during December.Humidity
The average relative humidity in December is 82%.Rainfall
In Roisan, during December, the rain falls for 14.9 days and regularly aggregates up to 88mm (3.46") of precipitation. In Roisan, during the entire year, the rain falls for 244.1 days and collects up to 1363mm (53.66") of precipitation.Snowfall
Months with snowfall in Roisan are January through May, October through December. In December, in Roisan, it is snowing for 7.5 days. Throughout December, 153mm (6.02") of snow is accumulated. Throughout the year, in Roisan, Italy, there are 42.8 snowfall days, and 692mm (27.24") of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Roisan.On the first day of the month, sunrise is at 07:51 and sunset at 16:48. On the last day of December, sunrise is at 08:11 and sunset at 16:56 CET.
Sunshine
The average sunshine in December in Roisan is 5.6h.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Roisan?
What is the average humidity in December in Roisan?
How much does it rain in Roisan in December?
How much does it snow in Roisan in December?
What is the month with the shortest days in Roisan?
How many hours of daylight does Roisan have in December?
When is the sunrise / sunset in December in Roisan?
How many hours of sunshine does Roisan have in December?
What is the UV index intensity in December in Roisan?
Average temperature in December
Roisan, Italy
- Average high temperature in December: -1.4°C
The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (-2.7°C).
- Average low temperature in December: -9.5°C
The months with the highest average low temperature are July and August (6.5°C).
The coldest months (with the lowest average low temperature) are January and February (-10.8°C).
Average pressure in December
Roisan, Italy
- Average pressure in December: 1020.7mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in December
Roisan, Italy
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in December
Roisan, Italy
- Average humidity in December: 82%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in December
Roisan, Italy
- Average rainfall in December: 88mm
The wettest month (with the highest rainfall) is May (181mm).
The driest month (with the least rainfall) is September (77mm).
Average rainfall days in December
Roisan, Italy
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is May (27 days).
The month with the least rainy days is December (14.9 days).
Average snowfall in December
Roisan, Italy
- Average snowfall in December: 153mm
The month with the highest snowfall is February (175mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Roisan, Italy
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Roisan, 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: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in December
Roisan, Italy
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is October (11.7 days).
The month with the least sunshine days is May (2.7 days).
Average UV index in December
Roisan, Italy
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, March and April (UV index 1).
Average cloud cover in December
Roisan, Italy
- Average cloud cover in December: 40
The month with the most cloud cover is May (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Roisan, Italy
- Average visibility in December: 8km
The month with the highest visibility is July (9km).
The months with the lowest visibility are January, February, March, April and May (7km).
