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
The onset of December is marked by a minor decrease in temperature, transitioning from a refreshing 13°C (55.4°F) in November to a chilly 9.8°C (49.6°F). A minimal decline in temperature from daytime highs is anticipated throughout the December nights, averaging a still frosty 6.5°C (43.7°F).Humidity
In December, the average relative humidity is 77%.Rainfall
In December, in Riva Trigoso, the rain falls for 12.4 days. Throughout December, 67mm (2.64") of precipitation is accumulated. In Riva Trigoso, during the entire year, the rain falls for 173.2 days and collects up to 776mm (30.55") of precipitation.Snowfall
January through March and December are months with snowfall in Riva Trigoso. December is the first month it typically snows in Riva Trigoso. Throughout December, in the average 0.2 snowfall days, it receives 3mm (0.12") of snow. In Riva Trigoso, during the entire year, snow falls for 1.3 days and aggregates up to 15mm (0.59") of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Riva Trigoso.On the first day of the month, sunrise is at 07:38 and sunset at 16:44. On the last day of December, in Riva Trigoso, Italy, sunrise is at 07:57 and sunset at 16:53 CET.
Sunshine
In December, the average sunshine is 5.5h.UV index
In December, the average daily maximum UV index in Riva Trigoso is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 during December translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Riva Trigoso in December?
What is the average humidity in December in Riva Trigoso?
How much does it rain in Riva Trigoso in December?
When does it start snowing in Riva Trigoso?
What is the month with the shortest days in Riva Trigoso?
How many hours of daylight does Riva Trigoso have in December?
When are sunrise and sunset in December in Riva Trigoso?
How long on average sun shines in December in Riva Trigoso?
What is the UV index reading in December in Riva Trigoso?
Average temperature in December
Riva Trigoso, Italy
- Average high temperature in December: 9.8°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in December: 6.5°C
The month with the highest average low temperature is August (19.3°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in December
Riva Trigoso, Italy
- Average pressure in December: 1018.7mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The months with the lowest atmospheric pressure are April, May and July (1013.9mbar).
Average wind speed in December
Riva Trigoso, Italy
- Average wind speed in December: 11km/h
The windiest month (with the highest average wind speed) is February (12.2km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).
Average humidity in December
Riva Trigoso, Italy
- Average humidity in December: 77%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Riva Trigoso, Italy
- Average rainfall in December: 67mm
The wettest month (with the highest rainfall) is November (118mm).
The driest month (with the least rainfall) is September (43mm).
Average rainfall days in December
Riva Trigoso, Italy
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (11.3 days).
Average snowfall in December
Riva Trigoso, Italy
- Average snowfall in December: 3mm
The month with the highest snowfall is March (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Riva Trigoso, Italy
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Riva Trigoso, Italy
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in December
Riva Trigoso, Italy
- Average sunshine days in December: 15 days
The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in December
Riva Trigoso, Italy
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Riva Trigoso, Italy
- Average cloud cover in December: 40
The month with the most cloud cover is November (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Riva Trigoso, Italy
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
