Keratsini
Greece
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Keratsini, Greece

Sea temperature

In Keratsini, Greece, the average seawater temperature in December is 16.6°C (61.9°F).
Note: For most, swimming in 16.6°C (61.9°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

December has the shortest days of the year in Keratsini, with an average of 9.6h of daylight.

How cold is the water in December in Keratsini?

In December, the average sea temperature 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).

What is the month with the shortest days in Keratsini?

December has the shortest days of the year in Keratsini, with an average of 9.6h of daylight.

What is the average length of the day in December in Keratsini?

In December, the average length of the day is 9.6h.
Average sea temperature in December - Keratsini, 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 - Keratsini, Greece
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).