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 sea temperature 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
The onset of December brings a small shift in high-temperatures, falling from an enjoyable 17.5°C (63.5°F) in November to a mild 13.5°C (56.3°F). Cefalù in December observes a slight diminution in temperature from daily highs, recording a low-temperature average of 9.7°C (49.5°F).Humidity
In Cefalù, the average relative humidity in December is 74%.Rainfall
In Cefalù, in December, during 12.9 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Cefalù, during the entire year, the rain falls for 121.2 days and collects up to 368mm (14.49") of precipitation.Snowfall
January and December are months with snowfall in Cefalù. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, there are 0.4 snowfall days, and 6mm (0.24") of snow is accumulated.Sea temperature
In Cefalù, the average seawater temperature in December is 17°C (62.6°F).Note: For the majority, swimming in water with a temperature of 17°C (62.6°F) is not enjoyable. The difficulty in managing breathing rises as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 07:01 and sunset at 16:44. On the last day of the month, sunrise is at 07:19 and sunset at 16:54 CET.
Sunshine
In December, the average sunshine is 6.3h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 3 suggests this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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 does it start snowing?
How cold is the water in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Cefalù have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Cefalù, Italy
- Average high temperature in December: 13.5°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (12.2°C).
- Average low temperature in December: 9.7°C
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (7.4°C).
Average pressure in December
Cefalù, Italy
- Average pressure in December: 1019.1mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in December
Cefalù, Italy
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in December
Cefalù, Italy
- Average humidity in December: 74%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (64%).
Average rainfall in December
Cefalù, Italy
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is January (50mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in December
Cefalù, Italy
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is January (15 days).
The month with the least rainy days is July (3.1 days).
Average snowfall in December
Cefalù, Italy
- Average snowfall in December: 2mm
The month with the highest snowfall is January (4mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Cefalù, Italy
- Average snowfall days in December: 0.2 days
The months with the highest number of snowfall days are January and December (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Cefalù, Italy
- Average sea temperature in December: 17°C
The best month for swimming (with the highest average sea temperature) is August (26.4°C).
The coldest month (with the lowest average sea temperature) is February (14.6°C).
Average daylight in December /
Average sunshine in December
Cefalù, Italy
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Cefalù, Italy
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is July (27.4 days).
The months with the least sunshine days are January and February (12.7 days).
Average UV index in December
Cefalù, Italy
- Average UV index in December: 3
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Cefalù, Italy
- Average cloud cover in December: 30
The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in December
Cefalù, 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).
