May weather forecastPireas, Greece

May

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

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).

In Pireas, Greece, the average day length in May is 14h and 14min.

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

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 12min

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).