Zakinthos
Greece
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Zakinthos, Greece

An aerial panorama of the mountainous Navagio Beach in Zakynthos, Greece, with some cruise boats afloat the clear blue waters
An aerial panorama of the mountainous Navagio Beach in Zakynthos, Greece, with some cruise boats afloat the clear blue waters
The last month of the spring, May, is a warm month in Zakinthos, Greece, with average temperature fluctuating between 23.4°C (74.1°F) and 14.4°C (57.9°F).

Temperature

In Zakinthos, the average high-temperature in May marginally rises, from an enjoyable 18.9°C (66°F) in April, to a moderately hot 23.4°C (74.1°F). In May, the average low-temperature is 14.4°C (57.9°F).

Humidity

In Zakinthos, Greece, the average relative humidity in May is 67.8%.

Rainfall

In May, the rain falls for 2.5 days. Throughout May, 17mm (0.7") of precipitation is accumulated. Throughout the year, in Zakinthos, Greece, there are 78.5 rainfall days, and 943.3mm (37.1") of precipitation is accumulated.

Sea temperature

In Zakinthos, the average seawater temperature is 19.4°C (66.9°F). 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

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

Sunshine

In Zakinthos, the average sunshine in May is 10h.

UV index

In Zakinthos, the average daily maximum UV index in May is 8. A UV Index reading of 8 to 10 represents a very high health risk from unprotected exposure to the Sun's UV rays for the average person.
The average daily UV index of 8 transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn 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 Zakinthos?

In Zakinthos, Greece, in May, the average high-temperature is 23.4°C (74.1°F), and the average low-temperature is 14.4°C (57.9°F).

What is the average humidity in May in Zakinthos?

In May, the average relative humidity is 67.8%.

How many days does it rain in May in Zakinthos?

In Zakinthos, during May, the rain falls for 2.5 days and regularly aggregates up to 17mm (0.7") of precipitation.

How cold is the water in May in Zakinthos?

In Zakinthos, Greece, in May, the average water temperature 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 Zakinthos?

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

How long on average sun shines in May in Zakinthos?

In May, the average sunshine in Zakinthos is 10h.

How high is the UV index in May in Zakinthos?

The average daily maximum UV index in May in Zakinthos, Greece, is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from unprotected exposure to the UV radiation.
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 lowest 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 lowest number of 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: 14.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in May: 10h

The month with most sunshine is July (Average sunshine: 13h).
The month with 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).
Months with the lowest UV index are January and December (UV index 2).