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 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 subtle change in temperatures is noted as November gives way to December, with average highs reducing from an enjoyable 18.2°C (64.8°F) to a moderate 14.7°C (58.5°F). Throughout December, a modest shift from daytime highs is anticipated, with an average low-temperature of 9.7°C (49.5°F).Humidity
The average relative humidity in December in Grotte is 76%.Rainfall
In Grotte, during December, the rain falls for 11.9 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, in Grotte, there are 120.4 rainfall days, and 395mm (15.55") of precipitation is accumulated.Snowfall
December is the only month when snow falls in Grotte. The month with the most snowfall days in Grotte, Italy, is December, when snow falls for 0.2 days.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 07:01 and sunset at 16:47. On the last day of the month, sunrise is at 07:19 and sunset at 16:57 CET.
Sunshine
The average sunshine in December is 6.7h.UV index
In Grotte, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in December transforms into this advice:
Guard yourself - Avoiding sunburn is suggested. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Grotte?
What is the average humidity in December in Grotte?
How much does it rain in Grotte in December?
When does it snow the most in Grotte?
When does it start snowing in Grotte?
What is the month with the shortest days in Grotte?
How many hours of daylight does Grotte have in December?
When are sunrise and sunset in December in Grotte?
How many hours of sunshine does Grotte have in December?
How high is the UV index in December in Grotte?
Average temperature in December
Grotte, Italy
- Average high temperature in December: 14.7°C
The warmest month (with the highest average high temperature) is August (30.5°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 (23.2°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).
Average pressure in December
Grotte, Italy
- Average pressure in December: 1019.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).
Average wind speed in December
Grotte, Italy
- Average wind speed in December: 14.8km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in December
Grotte, Italy
- Average humidity in December: 76%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is July (56%).
Average rainfall in December
Grotte, Italy
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in December
Grotte, Italy
- Average rainfall days in December: 11.9 days
The months with the highest number of rainy days are January and November (14.8 days).
The month with the least rainy days is July (1.9 days).
Average snowfall days in December
Grotte, Italy
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Grotte, 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 4min
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 12min).
Average sunshine days in December
Grotte, Italy
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in December
Grotte, Italy
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is February (UV index 3).
Average cloud cover in December
Grotte, Italy
- Average cloud cover in December: 27
The month with the most cloud cover is January (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in December
Grotte, 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).
