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
With the onset of December, Alatri's average high-temperature slightly adjusts, moderately receding from November's refreshing 15.1°C (59.2°F) to a cool 11.3°C (52.3°F). An average low-temperature of 3.6°C (38.5°F) marks the month of December.Humidity
In December, the average relative humidity in Alatri, Italy, is 78%.Rainfall
In Alatri, Italy, in December, it is raining for 11 days, with typically 56mm (2.2") of accumulated precipitation. Throughout the year, in Alatri, there are 150.3 rainfall days, and 564mm (22.2") of precipitation is accumulated.Snowfall
Months with snowfall are February and December. December is the first month it typically snows in Alatri. Throughout December, in the average 0.1 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, in Alatri, there are 0.4 snowfall days, and 7mm (0.28") of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:14 and sunset at 16:37. On the last day of the month, sunrise is at 07:33 and sunset at 16:46 CET.
Sunshine
In Alatri, the average sunshine in December is 6.3h.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 rays for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Alatri in December?
What is the average humidity in December in Alatri?
How much does it rain in Alatri in December?
When does it start snowing in Alatri?
What is the month with the shortest days in Alatri?
What is the average length of the day in December in Alatri?
When is the sunrise / sunset in December in Alatri?
How long on average sun shines in December in Alatri?
What are the months with the lowest UV index in Alatri?
What is the UV index intensity in December in Alatri?
Average temperature in December
Alatri, Italy
- Average high temperature in December: 11.3°C
The warmest month (with the highest average high temperature) is August (30.4°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in December: 3.6°C
The month with the highest average low temperature is August (17.2°C).
The coldest months (with the lowest average low temperature) are January and February (2.6°C).
Average pressure in December
Alatri, 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 April (1014mbar).
Average wind speed in December
Alatri, Italy
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is February (9km/h).
The calmest months (with the lowest average wind speed) are June and August (6.6km/h).
Average humidity in December
Alatri, Italy
- Average humidity in December: 78%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is August (59%).
Average rainfall in December
Alatri, Italy
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is November (110mm).
The driest month (with the least rainfall) is August (19mm).
Average rainfall days in December
Alatri, Italy
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is August (8.6 days).
Average snowfall in December
Alatri, Italy
- Average snowfall in December: 2mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Alatri, Italy
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Alatri, 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: 6h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in December
Alatri, Italy
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in December
Alatri, Italy
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Alatri, Italy
- Average cloud cover in December: 31
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Alatri, Italy
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
