Weather in May
Sea temperature
In Pireas, Greece, in May, the average water temperature is 18.5°C (65.3°F).Note: In water of 18.5°C (65.3°F), the majority of people do not enjoy swimming. Breathing becomes increasingly hard to manage as the temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Pireas, the average length of the day in May is 14h and 14min.On the first day of May, sunrise is at 06:28 and sunset at 20:16. On the last day of the month, sunrise is at 06:04 and sunset at 20:41 EEST.
Frequently asked questions
What is the sea temperature in May in Pireas?
In May, the average sea temperature in Pireas is 18.5°C (65.3°F). For swimming, a surface water temperature of 18.5°C (65.3°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
What is the average length of the day in May in Pireas?
In Pireas, Greece, the average day length in May is 14h and 14min.
When are sunrise and sunset in May in Pireas?
In May, on the first day of the month, sunrise is at 06:28 and sunset at 20:16. On the last day of the month, in Pireas, Greece, sunrise is at 06:04 and sunset at 20:41 EEST.
Average sea temperature in May
Pireas, Greece
- Average sea temperature in May: 18.5°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 May
Pireas, Greece
- Average daylight in May: 14h and 1min
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).
Pireas, Greece
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