Weather in May
Temperature
The arrival of May signals a slight increase in the average high-temperature, moving from an enjoyable 18°C (64.4°F) in April to an agreeable 22°C (71.6°F). In May, the temperature drops to an average of 15°C (59°F) at night.Rainfall
In May, in Ermoupoli, the rain falls for 3 days. Throughout May, 16mm (0.63") of precipitation is accumulated. Throughout the year, in Ermoupoli, there are 63 rainfall days, and 474mm (18.66") of precipitation is accumulated.Sea temperature
In Ermoupoli, Greece, the average seawater temperature in May is 18.6°C (65.5°F).Note: Swimming in 18.6°C (65.5°F) is not an enjoyable experience for most. Breathing becomes progressively more challenging as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in May in Ermoupoli is 14h and 11min.On the first day of the month, sunrise is at 06:24 and sunset at 20:10. On the last day of May, sunrise is at 06:01 and sunset at 20:35 EEST.
Sunshine
The average sunshine in May is 10h.UV index
In May, the average daily maximum UV index is 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 8 in May leads to these recommendations:
Always be cautious. Skin and eyes can be affected swiftly without protection. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the average May temperature in Ermoupoli?
How many days does it rain in May in Ermoupoli?
What is the sea temperature in May in Ermoupoli?
What is the average length of the day in May in Ermoupoli?
When is the sunrise / sunset in May in Ermoupoli?
How many hours of sunshine does Ermoupoli have in May?
What is the UV index intensity in May in Ermoupoli?
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).
The 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).
The 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).
The driest months (with the least 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).
The months with the least 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: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 10h
The month with the most sunshine is July (Average sunshine: 14h).
The months with the least sunshine are January and December (Average sunshine: 4h).
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).
The months with the lowest UV index are January and December (UV index 2).
Ermoupoli, Greece
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