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's onset brings a negligible change in high-temperatures, falling from a fresh 12.9°C (55.2°F) in November to a chilly 8.5°C (47.3°F). The average temperature during December nights is registered at a wintry 0.9°C (33.6°F).Humidity
The average relative humidity in December in Petrella Salto is 81%.Rainfall
In Petrella Salto, in December, during 10.8 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Petrella Salto, during the entire year, the rain falls for 160.4 days and collects up to 553mm (21.77") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Petrella Salto, Italy, during December, snow falls for 1.5 days and regularly aggregates up to 8mm (0.31") of snow. In Petrella Salto, during the entire year, snow falls for 7.4 days and aggregates up to 63mm (2.48") of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:17 and sunset at 16:36. On the last day of December, in Petrella Salto, sunrise is at 07:36 and sunset at 16:45 CET.
Sunshine
The average sunshine in December is 6.1h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Around midday, solar radiation is most harmful; hence, exposure should be limited. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Stay alert! Snow's reflective properties 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 Petrella Salto in December?
What is the average humidity in December in Petrella Salto?
How much does it rain in Petrella Salto in December?
How much does it snow in Petrella Salto in December?
What is the month with the shortest days in Petrella Salto?
What is the average length of the day in December in Petrella Salto?
When are sunrise and sunset in December in Petrella Salto?
How long on average sun shines in December in Petrella Salto?
What is the month with the lowest UV index in Petrella Salto?
What is the UV index intensity in December in Petrella Salto?
Average temperature in December
Petrella Salto, Italy
- Average high temperature in December: 8.5°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in December: 0.9°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in December
Petrella Salto, Italy
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).
Average wind speed in December
Petrella Salto, Italy
- Average wind speed in December: 8.6km/h
The windiest month (with the highest average wind speed) is February (9.6km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity in December
Petrella Salto, Italy
- Average humidity in December: 81%
The months with the highest relative humidity are January and November (83%).
The month with the lowest relative humidity is August (63%).
Average rainfall in December
Petrella Salto, Italy
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is November (74mm).
The driest month (with the least rainfall) is August (35mm).
Average rainfall days in December
Petrella Salto, Italy
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is August (9.3 days).
Average snowfall in December
Petrella Salto, Italy
- Average snowfall in December: 8mm
The month with the highest snowfall is February (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Petrella Salto, Italy
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.8 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
Petrella Salto, Italy
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 48min).
Average sunshine days in December
Petrella Salto, Italy
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is August (19 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in December
Petrella Salto, Italy
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Petrella Salto, Italy
- Average cloud cover in December: 34
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Petrella Salto, Italy
- Average visibility in December: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
