May weather forecastKos, Greece
May
Weather in May
May signifies the unofficial start of summer in Kos, marked by pleasant warmth and augmented by a welcoming sea temperature. The recorded rainfall reaches a new low for the year, with a paltry 11mm (0.43"). The weather features a noticeable change from the breezier April to the milder May, marking a delightful transition. May, with its enriched sunshine hours and higher UV index, encourages many seaside activities. Being a popular destination, the island of Kos embraces the shift and flourishes under the May sunshine.Temperature
Kos's transition into May is noticed by a slight rise in the average high-temperature, advancing from a refreshing 18°C (64.4°F) in April to a pleasant 21.6°C (70.9°F). In May, Kos temperatures settle at a low of 18.5°C (65.3°F) during the nights, reflecting a minor change from daytime highs.Humidity
February, April and May, with an average relative humidity of 70%, are the most humid months.Rainfall
In Kos, in May, during 6.6 rainfall days, 11mm (0.43") of precipitation is typically accumulated. Throughout the year, in Kos, there are 87.4 rainfall days, and 351mm (13.82") of precipitation is accumulated.Sea temperature
In Kos, in May, the average water temperature is 19.4°C (66.9°F).Note: For swimming, a surface water temperature of 19.4°C (66.9°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
Daylight
The average length of the day in May is 14h and 9min.On the first day of the month, sunrise is at 06:16 and sunset at 19:59. On the last day of May, in Kos, sunrise is at 05:53 and sunset at 20:24 EEST.
Sunshine
In Kos, Greece, the average sunshine in May is 10.3h.UV index
In May, the average daily maximum UV index in Kos, Greece, is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the maximum UV index of 6 suggests these recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kos, Greece
- Average high temperature in May: 21.6°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (13.8°C).
- Average low temperature in May: 18.5°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (11.1°C).
Average pressure in May
Kos, Greece
- Average pressure in May: 1012.3mbar
The month with the highest atmospheric pressure is December (1017.6mbar).
The month with the lowest atmospheric pressure is July (1007.6mbar).
Average wind speed in May
Kos, Greece
- Average wind speed in May: 14.4km/h
The windiest month (with the highest average wind speed) is January (23.7km/h).
The calmest month (with the lowest average wind speed) is May (14.4km/h).
Average humidity in May
Kos, Greece
- Average humidity in May: 70%
The months with the highest relative humidity are February, April and May (70%).
The months with the lowest relative humidity are July and October (65%).
Average rainfall in May
Kos, Greece
- Average rainfall in May: 11mm
The wettest month (with the highest rainfall) is January (81mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in May
Kos, Greece
- Average rainfall days in May: 6.6 days
The month with the highest number of rainy days is January (13.5 days).
The month with the least rainy days is August (0.4 days).
Average sea temperature in May
Kos, Greece
- Average sea temperature in May: 19.4°C
The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is March (16.9°C).
Average daylight in May /
Average sunshine in May
Kos, Greece
- Average daylight in May: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 10h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in May
Kos, Greece
- Average sunshine days in May: 22.1 days
The months with the most sunshine days are July and August (29.8 days).
The month with the least sunshine days is February (14.1 days).
Average UV index in May
Kos, Greece
- Average UV index in May: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 4).
Average cloud cover in May
Kos, Greece
- Average cloud cover in May: 15
The month with the most cloud cover is January (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 3).
Average visibility in May
Kos, Greece
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
