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
The transition to December results in a modest reduction in average high-temperature, moving from a refreshing 17.2°C (63°F) in November to a cool 12.8°C (55°F). Grottole's nighttime temperature in December falls to an average of 6.3°C (43.3°F).Humidity
In Grottole, the average relative humidity in December is 75%.Rainfall
In December, the rain falls for 10.2 days. Throughout December, 24mm (0.94") of precipitation is accumulated. Throughout the year, in Grottole, there are 139.2 rainfall days, and 421mm (16.57") of precipitation is accumulated.Snowfall
Months with snowfall in Grottole are January through April, November and December. In Grottole, in December, during 0.7 snowfall days, 4mm (0.16") of snow is typically accumulated. In Grottole, during the entire year, snow falls for 4.4 days and aggregates up to 40mm (1.57") of snow.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 06:59 and sunset at 16:28. On the last day of December, in Grottole, sunrise is at 07:17 and sunset at 16:37 CET.
Sunshine
In December, the average sunshine in Grottole, Italy, is 6.5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the average December temperature in Grottole?
What is the average humidity in December in Grottole?
How many days does it rain in December in Grottole?
How many days does it snow in December in Grottole?
What is the month with the shortest days in Grottole?
What is the average length of the day in December in Grottole?
When is the sunrise / sunset in December in Grottole?
How many hours of sunshine does Grottole have in December?
What are the months with the lowest UV index in Grottole?
How high is the UV index in December in Grottole?
Average temperature in December
Grottole, Italy
- Average high temperature in December: 12.8°C
The warmest month (with the highest average high temperature) is August (32.4°C).
The month with the lowest average high temperature is January (11.4°C).
- Average low temperature in December: 6.3°C
The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is January (4.8°C).
Average pressure in December
Grottole, Italy
- Average pressure in December: 1017.8mbar
The month with the highest atmospheric pressure is December (1017.8mbar).
The month with the lowest atmospheric pressure is July (1012.8mbar).
Average wind speed in December
Grottole, Italy
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is February (14.9km/h).
The calmest months (with the lowest average wind speed) are August and September (10.1km/h).
Average humidity in December
Grottole, Italy
- Average humidity in December: 75%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are July and August (48%).
Average rainfall in December
Grottole, Italy
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is April (55mm).
The driest month (with the least rainfall) is August (12mm).
Average rainfall days in December
Grottole, Italy
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is April (15.7 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in December
Grottole, Italy
- Average snowfall in December: 4mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Grottole, Italy
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Grottole, 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 3min
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
Grottole, Italy
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in December
Grottole, 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
Grottole, Italy
- Average cloud cover in December: 28
The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Grottole, Italy
- Average visibility in December: 10km
The months with the highest visibility are February, March, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, April and November (9km).
Grottole, Italy
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