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
A mild shift in the average high-temperature occurs in December, reducing from a refreshing 18.2°C (64.8°F) in November to a moderate 14.5°C (58.1°F). Trecastagni's nighttime temperatures in December display a slight drop from daytime highs, averaging to a chilly 9.7°C (49.5°F).Humidity
The average relative humidity in December in Trecastagni is 73%.Rainfall
In December, the rain falls for 6.6 days. Throughout December, 15mm (0.59") of precipitation is accumulated. In Trecastagni, during the entire year, the rain falls for 92.2 days and collects up to 278mm (10.94") of precipitation.Snowfall
February through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 06:56 and sunset at 16:41. On the last day of December, sunrise is at 07:14 and sunset at 16:51 CET.
Sunshine
The average sunshine in December is 6.9h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during December leads to these advisories:
Take precautions - Protection against skin and eye damage is obliged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Trecastagni, Italy
- Average high temperature in December: 14.5°C
The warmest month (with the highest average high temperature) is August (30.1°C).
The month with the lowest average high temperature is January (13.1°C).
- Average low temperature in December: 9.7°C
The month with the highest average low temperature is August (23.5°C).
The coldest months (with the lowest average low temperature) are January and February (7.9°C).
Average pressure in December
Trecastagni, Italy
- Average pressure in December: 1019mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is July (1014.1mbar).
Average wind speed in December
Trecastagni, Italy
- Average wind speed in December: 12.8km/h
The windiest month (with the highest average wind speed) is February (13.5km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in December
Trecastagni, Italy
- Average humidity in December: 73%
The month with the highest relative humidity is November (75%).
The month with the lowest relative humidity is July (57%).
Average rainfall in December
Trecastagni, Italy
- Average rainfall in December: 15mm
The wettest month (with the highest rainfall) is October (49mm).
The driest month (with the least rainfall) is August (6mm).
Average rainfall days in December
Trecastagni, Italy
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is October (12.2 days).
The month with the least rainy days is July (3.6 days).
Average snowfall in December
Trecastagni, Italy
- Average snowfall in December: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Trecastagni, Italy
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Trecastagni, Italy
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in December
Trecastagni, Italy
- Average sunshine days in December: 23 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is October (16.6 days).
Average UV index in December
Trecastagni, Italy
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in December
Trecastagni, Italy
- Average cloud cover in December: 21
The month with the most cloud cover is January (Cloud cover 27).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in December
Trecastagni, 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).
