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, Castellaneta notices a mild change in the average high-temperature, sliding from November's refreshing 17.2°C (63°F) to a fresh 12.9°C (55.2°F). The average low-temperature of 7.8°C (46°F) is witnessed during December.Humidity
In December, the average relative humidity in Castellaneta is 74%.Rainfall
In Castellaneta, in December, during 10.8 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, in Castellaneta, Italy, there are 127.3 rainfall days, and 400mm (15.75") of precipitation is accumulated.Snowfall
Months with snowfall are January, February, April and December. December is the first month it typically snows in Castellaneta. Throughout December, in the average 0.4 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, in Castellaneta, there are 1.7 snowfall days, and 17mm (0.67") of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:57 and sunset at 16:25. On the last day of December, sunrise is at 07:15 and sunset at 16:35 CET.
Sunshine
In Castellaneta, the average sunshine in December is 6.3h.UV index
The months with the lowest UV index in Castellaneta, Italy, are January, February and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 during December translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What are December temperatures in Castellaneta?
What is the average humidity in December in Castellaneta?
How many days does it rain in December in Castellaneta?
When does it start snowing in Castellaneta?
What is the month with the shortest days in Castellaneta?
What is the average length of the day in December in Castellaneta?
What time are sunrise and sunset in December in Castellaneta?
How long on average sun shines in December in Castellaneta?
What are the months with the lowest UV index in Castellaneta?
What is the UV index reading in December in Castellaneta?
Average temperature in December
Castellaneta, Italy
- Average high temperature in December: 12.9°C
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (11.6°C).
- Average low temperature in December: 7.8°C
The month with the highest average low temperature is August (22.9°C).
The coldest month (with the lowest average low temperature) is January (6.4°C).
Average pressure in December
Castellaneta, Italy
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1012.7mbar).
Average wind speed in December
Castellaneta, Italy
- Average wind speed in December: 16.3km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest months (with the lowest average wind speed) are August and September (11.7km/h).
Average humidity in December
Castellaneta, Italy
- Average humidity in December: 74%
The months with the highest relative humidity are January and November (76%).
The months with the lowest relative humidity are July and August (53%).
Average rainfall in December
Castellaneta, Italy
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is March (50mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in December
Castellaneta, Italy
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (4.7 days).
Average snowfall in December
Castellaneta, Italy
- Average snowfall in December: 4mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are March, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Castellaneta, Italy
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Castellaneta, Italy
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in December
Castellaneta, Italy
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is July (24 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Castellaneta, Italy
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Castellaneta, Italy
- Average cloud cover in December: 31
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Castellaneta, 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).
Castellaneta, Italy
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