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
Rieti's weather subtly changes with the onset of December, barely falling from a cool 12.9°C (55.2°F) in November to a frosty 8.5°C (47.3°F). Throughout the month of December, the average temperature in Rieti dips to a wintry 0.9°C (33.6°F) at night.Humidity
The average relative humidity in December is 81%.Rainfall
In Rieti, Italy, in December, during 10.8 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Rieti, during the entire year, the rain falls for 160.4 days and collects up to 553mm (21.77") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Rieti, in December, during 1.5 snowfall days, 8mm (0.31") of snow is typically accumulated. Throughout the year, there are 7.4 snowfall days, and 63mm (2.48") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 07:18 and sunset at 16:36. On the last day of December, in Rieti, Italy, sunrise is at 07:37 and sunset at 16:45 CET.
Sunshine
In Rieti, the average sunshine in December is 6.1h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Rieti. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What is the temperature in December in Rieti?
What is the average humidity in December in Rieti?
How many days does it rain in December in Rieti?
How much does it snow in Rieti in December?
What is the month with the shortest days in Rieti?
How many hours of daylight does Rieti have in December?
When is the sunrise / sunset in December in Rieti?
How many hours of sunshine does Rieti have in December?
When is the lowest UV index in Rieti?
What is the UV index reading in December in Rieti?
Average temperature in December
Rieti, Italy
- Average high temperature in December: 8.5°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in December: 0.9°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in December
Rieti, 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 July (1013.9mbar).
Average wind speed in December
Rieti, Italy
- Average wind speed in December: 8.6km/h
The windiest month (with the highest average wind speed) is February (9.6km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity in December
Rieti, Italy
- Average humidity in December: 81%
The months with the highest relative humidity are January and November (83%).
The month with the lowest relative humidity is August (63%).
Average rainfall in December
Rieti, Italy
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is November (74mm).
The driest month (with the least rainfall) is August (35mm).
Average rainfall days in December
Rieti, Italy
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is August (9.3 days).
Average snowfall in December
Rieti, Italy
- Average snowfall in December: 8mm
The month with the highest snowfall is February (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Rieti, Italy
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Rieti, 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 6min).
- Average sunshine in December: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 48min).
Average sunshine days in December
Rieti, Italy
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is August (19 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in December
Rieti, Italy
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Rieti, Italy
- Average cloud cover in December: 34
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Rieti, Italy
- Average visibility in December: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
Rieti, Italy
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