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
With the arrival of December, Giuliano di Roma experiences a modest decline in average high-temperatures, transitioning from a mild 15.1°C (59.2°F) in November to a fresh 11.3°C (52.3°F). December nights are marked by an average low-temperature of 3.6°C (38.5°F).Humidity
The average relative humidity in December in Giuliano di Roma is 78%.Rainfall
In December, in Giuliano di Roma, the rain falls for 11 days. Throughout December, 56mm (2.2") of precipitation is accumulated. In Giuliano di Roma, during the entire year, the rain falls for 150.3 days and collects up to 564mm (22.2") of precipitation.Snowfall
Months with snowfall in Giuliano di Roma, Italy, are February and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, there are 0.4 snowfall days, and 7mm (0.28") of snow is accumulated.Daylight
December has the shortest days of the year in Giuliano di Roma, Italy, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 07:14 and sunset at 16:37. On the last day of December, in Giuliano di Roma, sunrise is at 07:33 and sunset at 16:46 CET.
Sunshine
In December, the average sunshine in Giuliano di Roma is 6.3h.UV index
The months with the lowest UV index in Giuliano di Roma are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the temperature in December in Giuliano di Roma?
What is the average humidity in December in Giuliano di Roma?
How many days does it rain in December in Giuliano di Roma?
When does it start to snow in Giuliano di Roma?
What is the month with the shortest days in Giuliano di Roma?
What is the average length of the day in December in Giuliano di Roma?
What time are sunrise and sunset in December in Giuliano di Roma?
How many hours of sunshine does Giuliano di Roma have in December?
What is the month with the lowest UV index in Giuliano di Roma?
What is the UV index reading in December in Giuliano di Roma?
Average temperature in December
Giuliano di Roma, 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
Giuliano di Roma, 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
Giuliano di Roma, 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
Giuliano di Roma, 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
Giuliano di Roma, 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
Giuliano di Roma, 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
Giuliano di Roma, 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
Giuliano di Roma, 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
Giuliano di Roma, Italy
- Average daylight in December: 9h and 1min
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 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
Giuliano di Roma, 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
Giuliano di Roma, 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
Giuliano di Roma, 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
Giuliano di Roma, 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).
Giuliano di Roma, Italy
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