Weather in May
Temperature
The start of May brings a subtle rise in the average high-temperature, moving from an agreeable 20°C in April to a warm 24°C. Rethimno usually reports an average low-temperature of 15°C during the month of May.Rainfall
In May, the rain falls for 3 days. Throughout May, 14mm of precipitation is accumulated. Throughout the year, there are 67 rainfall days, and 664mm of precipitation is accumulated.Sea temperature
In May, the average sea temperature in Rethimno is 19.3°C.Note: In 19.3°C, swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C.
Daylight
In May, the average length of the day is 14h and 2min.On the first day of May in Rethimno, sunrise is at 06:30 and sunset at 20:07. On the last day of the month, sunrise is at 06:08 and sunset at 20:30 EEST.
Sunshine
In Rethimno, Greece, the average sunshine in May is 10h.UV index
In May, the average daily maximum UV index in Rethimno is 9. A UV Index reading of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 9 in May suggests the following recommendations:
Always be mindful of protection. The risk of damage to skin and eyes is significant if neglected. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
FAQ
What are the temperatures in Rethimno in May?
How much does it rain in Rethimno in May?
How cold is the water in May in Rethimno?
How many hours of daylight does Rethimno have in May?
When is the sunrise / sunset in May in Rethimno?
How many hours of sunshine does Rethimno have in May?
What is the UV index intensity in May in Rethimno?
Average temperature in May
Rethimno, Greece
- Average high temperature in May: 24°C
The warmest month (with the highest average high temperature) is July (30°C).
The month with the lowest average high temperature is January (14°C).
- Average low temperature in May: 15°C
The months with the highest average low temperature are July and August (21°C).
The coldest months (with the lowest average low temperature) are January and February (8°C).
Average rainfall in May
Rethimno, Greece
- Average rainfall in May: 14mm
The wettest month (with the highest rainfall) is January (142mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in May
Rethimno, Greece
- Average rainfall days in May: 3 days
The month with the highest number of rainy days is December (13 days).
The months with the least rainy days are July and August (0 days).
Average sea temperature in May
Rethimno, Greece
- Average sea temperature in May: 19.3°C
The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (16.1°C).
Average daylight in May /
Average sunshine in May
Rethimno, Greece
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 10h
The months with the most sunshine are June, July and August (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 4h).
Average UV index in May
Rethimno, Greece
- Average UV index in May: 9
The months with the highest UV index are June and July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).
Rethimno, Greece
Weather forecast for your location
2. Allow the app to use your location
