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 sees a slight reduction in average high-temperature, with a shift from a refreshing 16.5°C (61.7°F) in November to a fresh 12.5°C (54.5°F). Trevignano Romano reports an average low-temperature of 6.5°C (43.7°F) during the nights of December.Humidity
The average relative humidity in December is 75%.Rainfall
In Trevignano Romano, in December, during 11.9 rainfall days, 45mm (1.77") of precipitation is typically accumulated. Throughout the year, there are 116.5 rainfall days, and 416mm (16.38") of precipitation is accumulated.Snowfall
In Trevignano Romano, snow does not fall in March through December.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Trevignano Romano.On the first day of December in Trevignano Romano, sunrise is at 07:20 and sunset at 16:40. On the last day of the month, sunrise is at 07:39 and sunset at 16:49 CET.
Sunshine
In Trevignano Romano, the average sunshine in December is 6.1h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 3 in December transforms into this advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Trevignano Romano?
What is the average humidity in December in Trevignano Romano?
How much does it rain in Trevignano Romano in December?
When it does not snow in Trevignano Romano?
Does it snow in Trevignano Romano in December?
What is the month with the shortest days in Trevignano Romano?
What is the average length of the day in December in Trevignano Romano?
What time are sunrise and sunset in December in Trevignano Romano?
How many hours of sunshine does Trevignano Romano have in December?
What is the month with the lowest UV index in Trevignano Romano?
What is the UV index reading in December in Trevignano Romano?
Average temperature in December
Trevignano Romano, Italy
- Average high temperature in December: 12.5°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (11.3°C).
- Average low temperature in December: 6.5°C
The month with the highest average low temperature is August (20.7°C).
The coldest months (with the lowest average low temperature) are January and February (5.3°C).
Average pressure in December
Trevignano Romano, 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
Trevignano Romano, Italy
- Average wind speed in December: 12.7km/h
The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is July (9.4km/h).
Average humidity in December
Trevignano Romano, Italy
- Average humidity in December: 75%
The months with the highest relative humidity are January and November (77%).
The month with the lowest relative humidity is August (58%).
Average rainfall in December
Trevignano Romano, Italy
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in December
Trevignano Romano, Italy
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is November (13.5 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in December
Trevignano Romano, Italy
- Average snowfall in December: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Trevignano Romano, Italy
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Trevignano Romano, 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 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in December
Trevignano Romano, Italy
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is November (14.4 days).
Average UV index in December
Trevignano Romano, Italy
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Trevignano Romano, Italy
- Average cloud cover in December: 33
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Trevignano Romano, 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).
