Kefalos
Greece
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Kefalos, Greece

Stunning view of the inviting Kastri Isle in Kefalos Village, Greece
Stunning view of the inviting Kastri Isle in Kefalos Village, Greece
The last month of the spring, May, is a warm month in Kefalos, Greece, with average temperature fluctuating between 24°C (75.2°F) and 15°C (59°F).

Temperature

In May, the average high-temperature marginally rises, from a pleasant 20°C (68°F) in April, to a moderately hot 24°C (75.2°F). The average low-temperature, in May, is 15°C (59°F).

Rainfall

In May, in Kefalos, Greece, the rain falls for 4 days. Throughout May, 17mm (0.67") of precipitation is accumulated. Throughout the year, in Kefalos, there are 87 rainfall days, and 719mm (28.31") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature is 19°C (66.2°F).
Note: For most, swimming in 19°C (66.2°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In May, the average length of the day in Kefalos is 14.1h.

Sunshine

The average sunshine in May is 11h.

UV index

In May, the average daily maximum UV index in Kefalos is 8. A UV Index of 8 to 10 symbolizes a very high health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 8 in May interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Kefalos?

In Kefalos, Greece, in May, the average high-temperature is 24°C (75.2°F), and the average low-temperature is 15°C (59°F).

How much does it rain in Kefalos in May?

In Kefalos, during May, the rain falls for 4 days and regularly aggregates up to 17mm (0.67") of precipitation.

How cold is the water in May in Kefalos?

In Kefalos, Greece, the average seawater temperature in May is 19°C (66.2°F). For swimming, a surface water temperature of 19°C (66.2°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).

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

The average length of the day in May in Kefalos, Greece, is 14.1h.

How long on average sun shines in May in Kefalos?

The average sunshine in May in Kefalos, Greece, is 11h.

What is the UV index intensity in May in Kefalos?

The average daily maximum UV index in May is 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in May - Kefalos, Greece
  • Average high temperature in May: 24°C

Warmest months (with the highest average high temperature) are July and August (31°C).
The month with the lowest average high temperature is January (14°C).

  • Average low temperature in May: 15°C

Months with the highest average low temperature are July and August (22°C).
Coldest months (with the lowest average low temperature) are January and February (8°C).

Average rainfall in May - Kefalos, Greece
  • Average rainfall in May: 17mm

The wettest month (with the highest rainfall) is January (164mm).
The driest month (with the lowest rainfall) is July (0mm).

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

The month with the highest number of rainy days is December (14 days).
The month with the lowest number of rainy days is June (3 days).

Average sea temperature in May - Kefalos, Greece
  • Average sea temperature in May: 19°C

The best month for swimming (with the highest average sea temperature) is August (24°C).
Coldest months (with the lowest average sea temperature) are January, February, March and April (16°C).

Average daylight in May / Average sunshine in May - Kefalos, Greece
  • Average daylight in May: 14.1h

The month with the longest days is June (Average daylight: 14.6h).
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 - Kefalos, 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).