December weather forecastSyracuse, Italy

December
Weather in December
December sees Syracuse returning to winter-like conditions with further drops in temperature and increase in precipitation. With average high and low temperatures between 9°C (48.2°F) and 16.3°C (61.3°F) and substantial rainfall tallied at 78mm (3.07"), winter is decidedly here. Despite the chill in the air and sporadic rain showers, Syracuse retains its charm with the city adorned in festive decorations. The sea temperature provides a stark contrast, plummeting to a chilly 17.3°C (63.1°F). It’s a time of year to cozy up indoors, savoring a warm cup of coffee while enjoying the winter ambiance in Syracuse.Temperature
December's arrival subtly correlates with a reduction in the average high-temperature, down from a comfortable 19.6°C (67.3°F) in November to a still refreshing 16.3°C (61.3°F). Syracuse, in December, experiences an average temperature of 9°C (48.2°F) at night.Rainfall
In Syracuse, in December, during 9 rainfall days, 78mm (3.07") of precipitation is typically accumulated. In Syracuse, Italy, during the entire year, the rain falls for 60 days and collects up to 526mm (20.71") of precipitation.Sea temperature
In December, the average sea temperature is 17.3°C (63.1°F).Note: For most individuals, swimming in 17.3°C (63.1°F) is not a pleasant experience. The difficulty in managing breathing increases as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 06:53 and sunset at 16:42. On the last day of December, sunrise is at 07:12 and sunset at 16:51 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 4h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Syracuse, Italy
- Average high temperature in December: 16.3°C
The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in December: 9°C
The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is January (7.3°C).
Average rainfall in December
Syracuse, Italy
- Average rainfall in December: 78mm
The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in December
Syracuse, Italy
- Average rainfall days in December: 9 days
The months with the highest number of rainy days are January and December (9 days).
The months with the least rainy days are June, July and August (1 days).
Average sea temperature in December
Syracuse, Italy
- Average sea temperature in December: 17.3°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.8°C).
Average daylight in December /
Average sunshine in December
Syracuse, Italy
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 4h
The month with the most sunshine is July (Average sunshine: 11h).
The months with the least sunshine are January and December (Average sunshine: 4h).
Average UV index in December
Syracuse, Italy
- Average UV index in December: 2
The month with the highest UV index is July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).





