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
December is characterized by a mild reduction in the average high-temperature, from a comfortable 16.9°C (62.4°F) in November to a moderate 13°C (55.4°F). December nights witness a slight temperature decrease, averaging at a chilly 8°C (46.4°F).Humidity
In December, the average relative humidity in San Gennaro Vesuviano, Italy, is 73%.Rainfall
In San Gennaro Vesuviano, during December, the rain falls for 13.3 days and regularly aggregates up to 63mm (2.48") of precipitation. In San Gennaro Vesuviano, during the entire year, the rain falls for 149.6 days and collects up to 614mm (24.17") of precipitation.Snowfall
March through December are months without snowfall.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:07 and sunset at 16:34. On the last day of December, sunrise is at 07:26 and sunset at 16:44 CET.
Sunshine
In San Gennaro Vesuviano, the average sunshine in December is 6.2h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 3 in December leads to these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What are December temperatures in San Gennaro Vesuviano?
What is the average humidity in December in San Gennaro Vesuviano?
How much does it rain in San Gennaro Vesuviano in December?
When it does not snow in San Gennaro Vesuviano?
Does it snow in San Gennaro Vesuviano in December?
What is the month with the shortest days in San Gennaro Vesuviano?
How many hours of daylight does San Gennaro Vesuviano have in December?
When are sunrise and sunset in December in San Gennaro Vesuviano?
How long on average sun shines in December in San Gennaro Vesuviano?
What is the month with the lowest UV index in San Gennaro Vesuviano?
How high is the UV index in December in San Gennaro Vesuviano?
Average temperature in December
San Gennaro Vesuviano, Italy
- Average high temperature in December: 13°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (11.7°C).
- Average low temperature in December: 8°C
The month with the highest average low temperature is August (21.6°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in December
San Gennaro Vesuviano, Italy
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).
Average wind speed in December
San Gennaro Vesuviano, Italy
- Average wind speed in December: 11.9km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in December
San Gennaro Vesuviano, Italy
- Average humidity in December: 73%
The months with the highest relative humidity are January and November (75%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
San Gennaro Vesuviano, Italy
- Average rainfall in December: 63mm
The wettest month (with the highest rainfall) is November (122mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in December
San Gennaro Vesuviano, Italy
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in December
San Gennaro Vesuviano, Italy
- Average snowfall in December: 0mm
The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
San Gennaro Vesuviano, Italy
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.6 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
San Gennaro Vesuviano, Italy
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
San Gennaro Vesuviano, Italy
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is July (22.4 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in December
San Gennaro Vesuviano, Italy
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
San Gennaro Vesuviano, Italy
- Average cloud cover in December: 33
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
San Gennaro Vesuviano, Italy
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
San Gennaro Vesuviano, Italy
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