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
Weather in December
Temperature
The arrival of December suggests a slight decrease in the average high-temperature, moving from a mild 13.8°C (56.8°F) in November to a frosty 9.1°C (48.4°F). San Giuliano del Sannio's nighttime temperature in December falls to an average of 2.8°C (37°F).Humidity
In San Giuliano del Sannio, Italy, the average relative humidity in December is 83%.Rainfall
In San Giuliano del Sannio, during December, the rain falls for 12.5 days and regularly aggregates up to 51mm (2.01") of precipitation. In San Giuliano del Sannio, Italy, during the entire year, the rain falls for 175.7 days and collects up to 690mm (27.17") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In San Giuliano del Sannio, in December, snow falls for 4 days, with typically accumulated 34mm (1.34") of snow. In San Giuliano del Sannio, during the entire year, snow falls for 18.6 days and aggregates up to 350mm (13.78") of snow.Daylight
The month with the shortest days in San Giuliano del Sannio is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 07:08 and sunset at 16:32. On the last day of December, sunrise is at 07:27 and sunset at 16:41 CET.
Sunshine
In December, the average sunshine in San Giuliano del Sannio is 5.7h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in San Giuliano del Sannio. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. 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 prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the usual temperature for San Giuliano del Sannio in December?
What is the average humidity in December in San Giuliano del Sannio?
How many days does it rain in December in San Giuliano del Sannio?
How many days does it snow in December in San Giuliano del Sannio?
What is the month with the shortest days in San Giuliano del Sannio?
How many hours of daylight does San Giuliano del Sannio have in December?
When is the sunrise / sunset in December in San Giuliano del Sannio?
How long on average sun shines in December in San Giuliano del Sannio?
What is the month with the lowest UV index in San Giuliano del Sannio?
What is the UV index reading in December in San Giuliano del Sannio?
Average temperature in December
San Giuliano del Sannio, Italy
- Average high temperature in December: 9.1°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in December: 2.8°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
San Giuliano del Sannio, Italy
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in December
San Giuliano del Sannio, Italy
- Average wind speed in December: 11km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in December
San Giuliano del Sannio, Italy
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
San Giuliano del Sannio, Italy
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is May (76mm).
The driest month (with the least rainfall) is September (44mm).
Average rainfall days in December
San Giuliano del Sannio, Italy
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is April (18.3 days).
The month with the least rainy days is August (11.6 days).
Average snowfall in December
San Giuliano del Sannio, Italy
- Average snowfall in December: 34mm
The month with the highest snowfall is February (119mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
San Giuliano del Sannio, Italy
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
San Giuliano del Sannio, Italy
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
San Giuliano del Sannio, Italy
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is August (17 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in December
San Giuliano del Sannio, 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
San Giuliano del Sannio, Italy
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
San Giuliano del Sannio, Italy
- Average visibility in December: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and November (8km).
San Giuliano del Sannio, Italy
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