Weather in May
Temperature
The shift into May is marked by a rise in the average high-temperature, moving from April's enjoyable 18°C (64.4°F) to a warm 23°C (73.4°F). In May, the temperature drops to an average of 12°C (53.6°F) at night.Rainfall
In Kioni, Greece, in May, it is raining for 8 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, in Kioni, Greece, there are 108 rainfall days, and 1030mm (40.55") of precipitation is accumulated.Sea temperature
In Kioni, the average seawater temperature in May is 18°C (64.4°F).Note: Swimming is not enjoyable for most people in water that is 18°C (64.4°F). As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing control becomes harder.
Daylight
The average length of the day in May is 14h and 16min.On the first day of May, sunrise is at 06:39 and sunset at 20:29. On the last day of the month, sunrise is at 06:15 and sunset at 20:54 EEST.
Sunshine
The average sunshine in May is 9h.UV index
The average daily maximum UV index in May is 8. A UV Index estimate of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 8 in May translates into this advice:
Always remain cautious. Unprotected skin and eyes are prone to swift harm. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What are May temperatures in Kioni?
How many days does it rain in May in Kioni?
How cold is the water in May in Kioni?
What is the average length of the day in May in Kioni?
When is the sunrise / sunset in May in Kioni?
How many hours of sunshine does Kioni have in May?
How high is the UV index in May in Kioni?
Average temperature in May
Kioni, Greece
- Average high temperature in May: 23°C
The warmest months (with the highest average high temperature) are July and August (30°C).
The month with the lowest average high temperature is January (12°C).
- Average low temperature in May: 12°C
The months with the highest average low temperature are July and August (18°C).
The coldest months (with the lowest average low temperature) are January and February (5°C).
Average rainfall in May
Kioni, Greece
- Average rainfall in May: 37mm
The wettest month (with the highest rainfall) is December (186mm).
The driest month (with the least rainfall) is July (11mm).
Average rainfall days in May
Kioni, Greece
- Average rainfall days in May: 8 days
The month with the highest number of rainy days is December (15 days).
The month with the least rainy days is July (2 days).
Average sea temperature in May
Kioni, Greece
- Average sea temperature in May: 18°C
The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in May /
Average sunshine in May
Kioni, Greece
- Average daylight in May: 14h and 2min
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 30min).
- Average sunshine in May: 9h
The month with the most sunshine is July (Average sunshine: 13h).
The month with the least sunshine is December (Average sunshine: 4h).
Average UV index in May
Kioni, 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).
Kioni, Greece
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