December weather forecastGuilmi, Italy
December
Weather in December
December, the first month of the winter in Guilmi, is still a refreshing month, with an average temperature fluctuating between 13.4°C (56.1°F) and 8.9°C (48°F).Temperature
As November transitions into December, Guilmi sees a gentle drop in the average high-temperature, transitioning from a refreshing 17.7°C (63.9°F) to a moderate 13.4°C (56.1°F). Guilmi's temperature during December nights registers a minor decrease to an average low of 8.9°C (48°F).Humidity
In Guilmi, the average relative humidity in December is 70%.Rainfall
In Guilmi, in December, it is raining for 10.5 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, there are 108.8 rainfall days, and 362mm (14.25") of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Guilmi. Throughout December, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow. In Guilmi, during the entire year, snow falls for 1.5 days and aggregates up to 14mm (0.55") of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Guilmi.On the first day of the month, sunrise is at 07:10 and sunset at 16:31. On the last day of December, in Guilmi, sunrise is at 07:29 and sunset at 16:40 CET.
Sunshine
The average sunshine in December is 5.9h.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Guilmi, Italy
- Average high temperature in December: 13.4°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in December: 8.9°C
The month with the highest average low temperature is August (23.1°C).
The coldest month (with the lowest average low temperature) is January (7.6°C).
Average pressure in December
Guilmi, Italy
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).
Average wind speed in December
Guilmi, Italy
- Average wind speed in December: 16.4km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is August (12.5km/h).
Average humidity in December
Guilmi, Italy
- Average humidity in December: 70%
The months with the highest relative humidity are January, February and November (72%).
The months with the lowest relative humidity are July and August (59%).
Average rainfall in December
Guilmi, Italy
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is January (52mm).
The driest month (with the least rainfall) is August (13mm).
Average rainfall days in December
Guilmi, Italy
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is January (13.5 days).
The month with the least rainy days is August (4.7 days).
Average snowfall in December
Guilmi, Italy
- Average snowfall in December: 2mm
The month with the highest snowfall is February (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Guilmi, Italy
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.7 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
Guilmi, Italy
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Guilmi, Italy
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in December
Guilmi, Italy
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Guilmi, Italy
- Average cloud cover in December: 36
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Guilmi, 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).





