Weather in May
Temperature
May's arrival signals a subtle increase in average high-temperatures, moving from April's comfortable 18.9°C (66°F) to a moderately hot 23.4°C (74.1°F). An average temperature of 14.4°C (57.9°F) is recorded in Zakinthos during the nights in May.Humidity
In Zakinthos, Greece, the average relative humidity in May is 67.8%.Rainfall
In Zakinthos, during May, the rain falls for 2.5 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 78.5 rainfall days, and 943mm (37.13") of precipitation is accumulated.Sea temperature
In Zakinthos, the average seawater temperature in May is 19.4°C (66.9°F).Note: A surface water temperature of 19.4°C (66.9°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
In Zakinthos, the average length of the day in May is 14h and 13min.On the first day of May, sunrise is at 06:39 and sunset at 20:26. On the last day of the month, sunrise is at 06:16 and sunset at 20:52 EEST.
Sunshine
In Zakinthos, the average sunshine in May is 10h.UV index
The average daily maximum UV index in May in Zakinthos is 8. A UV Index estimate of 8 to 10 represents a very high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 8 in May leads to these recommendations:
Without proper safety measures, skin and eyes can be quickly harmed. Be sure to protect yourself. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the temperature in May in Zakinthos?
What is the average humidity in May in Zakinthos?
How many days does it rain in May in Zakinthos?
How cold is the water in May in Zakinthos?
What is the average length of the day in May in Zakinthos?
When is the sunrise / sunset in May in Zakinthos?
How many hours of sunshine does Zakinthos have in May?
What is the UV index intensity in May in Zakinthos?
Average temperature in May
Zakinthos, Greece
- Average high temperature in May: 23.4°C
The warmest month (with the highest average high temperature) is July (30.7°C).
The month with the lowest average high temperature is January (14.4°C).
- Average low temperature in May: 14.4°C
The month with the highest average low temperature is August (20.9°C).
The coldest month (with the lowest average low temperature) is January (8.1°C).
Average humidity in May
Zakinthos, Greece
- Average humidity in May: 67.8%
The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is July (59.3%).
Average rainfall in May
Zakinthos, Greece
- Average rainfall in May: 17mm
The wettest month (with the highest rainfall) is December (169.9mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in May
Zakinthos, Greece
- Average rainfall days in May: 2.5 days
The month with the highest number of rainy days is December (13.2 days).
The month with the least rainy days is July (0.5 days).
Average sea temperature in May
Zakinthos, Greece
- Average sea temperature in May: 19.4°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 (15.4°C).
Average daylight in May /
Average sunshine in May
Zakinthos, 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: 13h).
The month with the least sunshine is December (Average sunshine: 4h).
Average UV index in May
Zakinthos, 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).
Zakinthos, Greece
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