May weather forecast and climate
Ermoupoli, Greece

Temperature

The average high-temperature, in May, is 22°C (71.6°F), while the average low-temperature is 15°C (59°F).

Rainfall

In May, the rain falls for 3 days. Throughout May, 16mm (0.6") of precipitation is accumulated. Throughout the year, in Ermoupoli, Greece, there are 63 rainfall days, and 474mm (18.7") of precipitation is accumulated.

Sea temperature

In Ermoupoli, the average water temperature is 18.6°C (65.5°F). For most, swimming in 18.6°C (65.5°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

In May, the average length of the day is 14.2h.

Sunshine

The average sunshine in May is 10h.

UV index

In Ermoupoli, the average UV index in May is 8.

What is the temperature in May in Ermoupoli?

In Ermoupoli, in May, the average high-temperature is 22°C (71.6°F), and the average low-temperature is 15°C (59°F).

How much does it rain in Ermoupoli in May?

In Ermoupoli, during May, the rain falls for 3 days and regularly aggregates up to 16mm (0.6") of precipitation.

How cold is the water in May in Ermoupoli?

In May, the average sea temperature in Ermoupoli is 18.6°C (65.5°F). For most, swimming in 18.6°C (65.5°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).

What is the average length of the day in May in Ermoupoli?

In May, the average length of the day is 14.2h.

How long on average sun shines in May in Ermoupoli?

The average sunshine in May in Ermoupoli is 10h.

What is the UV index reading in May in Ermoupoli?

In May, the average UV index in Ermoupoli is 8.
Average temperature in May - Ermoupoli, Greece
  • Average high temperature in May: 22°C

The warmest month (with the highest average high temperature) is July (28°C).
Months with the lowest average high temperature are January and February (13°C).

  • Average low temperature in May: 15°C

The month with the highest average low temperature is July (22°C).
Coldest months (with the lowest average low temperature) are January and February (8°C).

Average rainfall in May - Ermoupoli, Greece
  • Average rainfall in May: 16mm

The wettest month (with the highest rainfall) is December (91mm).
Driest months (with the lowest rainfall) are July and August (2mm).

Average rainfall days in May - Ermoupoli, Greece
  • Average rainfall days in May: 3 days

The month with the highest number of rainy days is December (11 days).
Months with the lowest number of rainy days are June, July, August and September (1 days).

Average sea temperature in May - Ermoupoli, Greece
  • Average sea temperature in May: 18.6°C

The best month for swimming (with the highest average sea temperature) is August (25.8°C).
The coldest month (with the lowest average sea temperature) is February (15.6°C).

Average daylight in May / Average sunshine in May - Ermoupoli, Greece
  • Average daylight in May: 14.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in May: 10h

The month with most sunshine is July (Average sunshine: 14h).
Months with least sunshine are January and December (Average sunshine: 4).

Average UV index in May - Ermoupoli, Greece
  • Average UV index in May: 8

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).

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