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 transition to December results in a modest reduction in average high-temperature, moving from a mild 14.6°C (58.3°F) in November to a fresh 10.8°C (51.4°F). December's average low-temperature is a frosty 7.7°C (45.9°F), reflecting a minor difference from the day's peak temperatures.Humidity
In December, the average relative humidity is 74%.Rainfall
In Petriano, Italy, in December, it is raining for 10.4 days, with typically 34mm (1.34") of accumulated precipitation. Throughout the year, there are 134.2 rainfall days, and 469mm (18.46") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.7 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, there are 3.1 snowfall days, and 19mm (0.75") of snow is accumulated.Daylight
December has the shortest days of the year in Petriano, Italy, with an average of 9h and 0min of daylight.On the first day of December in Petriano, sunrise is at 07:23 and sunset at 16:33. On the last day of the month, sunrise is at 07:42 and sunset at 16:41 CET.
Sunshine
In Petriano, Italy, the average sunshine in December is 5.9h.UV index
In Petriano, Italy, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the average December temperature in Petriano?
What is the average humidity in December in Petriano?
How many days does it rain in December in Petriano?
When does it start to snow in Petriano?
What is the month with the shortest days in Petriano?
What is the average length of the day in December in Petriano?
When are sunrise and sunset in December in Petriano?
How many hours of sunshine does Petriano have in December?
How high is the UV index in December in Petriano?
Average temperature in December
Petriano, Italy
- Average high temperature in December: 10.8°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in December: 7.7°C
The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (6.3°C).
Average pressure in December
Petriano, Italy
- Average pressure in December: 1018.8mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).
Average wind speed in December
Petriano, Italy
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is June (11.2km/h).
Average humidity in December
Petriano, Italy
- Average humidity in December: 74%
The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Petriano, Italy
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is May (65mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in December
Petriano, Italy
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is August (9.1 days).
Average snowfall in December
Petriano, Italy
- Average snowfall in December: 4mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Petriano, Italy
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.3 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
Petriano, Italy
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Petriano, Italy
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is August (19.5 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in December
Petriano, Italy
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Petriano, Italy
- Average cloud cover in December: 36
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in December
Petriano, 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).
Petriano, Italy
Weather forecast for your location
2. Allow the app to use your location