May weather forecast and climate
Kos, Greece

Clear waters of the Kos Town Harbour, Greece, with a view of several ships sailing
Clear waters of the Kos Town Harbour, Greece, with a view of several ships sailing
May, the last month of the spring, in Kos, is a warm month, with temperature in the range of an average high of 24°C (75.2°F) and an average low of 15°C (59°F).

Temperature

The average high-temperature, is 24°C (75.2°F), while the average low-temperature is 15°C (59°F).

Rainfall

In Kos, Greece, during May, the rain falls for 4 days and regularly aggregates up to 21mm (0.8") of precipitation. In Kos, during the entire year, the rain falls for 93 days and collects up to 762mm (30") of precipitation.

Sea temperature

In Kos, the average seawater temperature in May is 19.4°C (66.9°F). Swimming in 19.4°C (66.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

In Kos, Greece, the average length of the day is 14.2h.

Sunshine

In May, the average sunshine is 11h.

UV index

The average daily maximum UV index in May in Kos is 8.
A UV Index value of 8 to 10 symbolizes a very high health hazard from the unprotected exposure to the Sun's UV rays for average individuals.

What is the temperature in May in Kos?

The average high-temperature, in May, is 24°C (75.2°F), while the average low-temperature is 15°C (59°F).

How much does it rain in Kos in May?

In Kos, Greece, during May, the rain falls for 4 days and regularly aggregates up to 21mm (0.8") of precipitation.

What is the sea temperature in May in Kos?

In Kos, Greece, the average seawater temperature in May is 19.4°C (66.9°F). Swimming in 19.4°C (66.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in May in Kos?

In Kos, Greece, the average length of the day in May is 14.2h.

How long on average sun shines in May in Kos?

In May, the average sunshine in Kos, Greece, is 11h.

What is the UV index reading in May in Kos?

In Kos, the average daily maximum UV index in May is 8. A UV Index value of 8 to 10 symbolizes a very high health threat from the unsafe exposure to the Sun's UV rays.
Average temperature in May - Kos, Greece
  • Average high temperature in May: 24°C

Warmest months (with the highest average high temperature) are July and August (32°C).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in May: 15°C

The month with the highest average low temperature is July (22°C).
Coldest months (with the lowest average low temperature) are January and February (7°C).

Average rainfall in May - Kos, Greece
  • Average rainfall in May: 21mm

The wettest month (with the highest rainfall) is January (169mm).
The driest month (with the lowest rainfall) is July (2mm).

Average rainfall days in May - Kos, Greece
  • Average rainfall days in May: 4 days

Months with the highest number of rainy days are January and December (14 days).
The month with the lowest number of rainy days is June (3 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: 14.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in May: 11h

The month with most sunshine is July (Average sunshine: 14h).
Months with least sunshine are January and December (Average sunshine: 5).

Average UV index in May - Kos, Greece
  • Average UV index in May: 8

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).

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