December weather forecastOrtona, Italy
December
Weather in December
Sea temperature
In Ortona, Italy, the average seawater temperature in December is 15.3°C (59.5°F).Note: Swimming is not an enjoyable activity for the majority when the water is at 15.3°C (59.5°F). The difficulty of controlling breathing increases as the temperature dips 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 6min of daylight.On the first day of December in Ortona, sunrise is at 07:12 and sunset at 16:30. On the last day of the month, sunrise is at 07:31 and sunset at 16:39 CET.
Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In December, the average sea temperature is 15.3°C (59.5°F). Swimming in 15.3°C (59.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
December has the shortest days of the year, with an average of 9h and 6min of daylight.
The average day length in December is 9h and 8min.
On the first day of December, sunrise is at 07:12 and sunset at 16:30. On the last day of the month, sunrise is at 07:31 and sunset at 16:39 CET.
Average sea temperature in December
Ortona, Italy
- Average sea temperature in December: 15.3°C
The best month for swimming (with the highest average sea temperature) is July (25.7°C).
The coldest month (with the lowest average sea temperature) is February (12.8°C).
Average daylight in December
Ortona, Italy
- Average daylight in December: 9h and 6min
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 6min).








