December weather forecastPireas, Greece
December
Weather in December
Sea temperature
In Pireas, Greece, in December, the average water temperature is 16.6°C (61.9°F).Note: Most people do not enjoy swimming in water of 16.6°C (61.9°F). Breathing control becomes harder as the temperature descends 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 07:22 and sunset at 17:06. On the last day of the month, sunrise is at 07:41 and sunset at 17:16 EET.
Updated: Jan 24, 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 Pireas, the average seawater temperature in December is 16.6°C (61.9°F). Swimming in 16.6°C (61.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
The month with the shortest days in Pireas, Greece, is December, with an average of 9h and 36min of daylight.
In December, the average day length in Pireas is 9h and 35min.
On the first day of December in Pireas, sunrise is at 07:22 and sunset at 17:06. On the last day of the month, sunrise is at 07:41 and sunset at 17:16 EET.
Average sea temperature in December
Pireas, Greece
- Average sea temperature in December: 16.6°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 (15°C).
Average daylight in December
Pireas, Greece
- Average daylight in December: 9h and 36min
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).





