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 arrival aligns with a minor decrease in average high-temperatures, from November's cool 11.7°C (53.1°F) to a chilly 7.2°C (45°F). During December nights, Petrella Liri records an average temperature of 0°C (32°F).Humidity
The average relative humidity in December in Petrella Liri is 81%.Rainfall
In Petrella Liri, during December, the rain falls for 12.5 days and regularly aggregates up to 64mm (2.52") of precipitation. In Petrella Liri, during the entire year, the rain falls for 178.9 days and collects up to 718mm (28.27") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Petrella Liri, during December, snow falls for 3.6 days and regularly aggregates up to 33mm (1.3") of snow. Throughout the year, in Petrella Liri, there are 18.6 snowfall days, and 257mm (10.12") of snow is accumulated.Daylight
The month with the shortest days in Petrella Liri is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 07:15 and sunset at 16:36. On the last day of the month, sunrise is at 07:34 and sunset at 16:45 CET.
Sunshine
The average sunshine in December in Petrella Liri is 5.8h.UV index
The months with the lowest UV index in Petrella Liri, Italy, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Petrella Liri?
What is the average humidity in December in Petrella Liri?
How many days does it rain in December in Petrella Liri?
How much does it snow in Petrella Liri in December?
What is the month with the shortest days in Petrella Liri?
What is the average length of the day in December in Petrella Liri?
When are sunrise and sunset in December in Petrella Liri?
How long on average sun shines in December in Petrella Liri?
When is the lowest UV index in Petrella Liri?
What is the UV index reading in December in Petrella Liri?
Average temperature in December
Petrella Liri, Italy
- Average high temperature in December: 7.2°C
The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in December: 0°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (-0.9°C).
Average pressure in December
Petrella Liri, Italy
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The months with the lowest atmospheric pressure are April and July (1014mbar).
Average wind speed in December
Petrella Liri, Italy
- Average wind speed in December: 7.6km/h
The windiest month (with the highest average wind speed) is February (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in December
Petrella Liri, Italy
- Average humidity in December: 81%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Petrella Liri, Italy
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is November (91mm).
The driest month (with the least rainfall) is October (33mm).
Average rainfall days in December
Petrella Liri, Italy
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is August (10.4 days).
Average snowfall in December
Petrella Liri, Italy
- Average snowfall in December: 33mm
The month with the highest snowfall is February (106mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Petrella Liri, Italy
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (6.1 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
Petrella Liri, 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 12min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Petrella Liri, Italy
- Average sunshine days in December: 15.2 days
The months with the most sunshine days are August and October (16.9 days).
The month with the least sunshine days is April (8.7 days).
Average UV index in December
Petrella Liri, Italy
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Petrella Liri, Italy
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Petrella Liri, Italy
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, October, November and December (8km).
