Patras
Greece
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Patras, Greece

The last month of the spring, May, is a warm month in Patras, Greece, with temperature in the range of an average high of 24.2°C (75.6°F) and an average low of 13.9°C (57°F).

Temperature

In May, the average high-temperature marginally rises, from a comfortable 19.7°C (67.5°F) in April, to a warm 24.2°C (75.6°F). The average low-temperature, is 13.9°C (57°F).

Rainfall

In Patras, in May, during 5.3 rainfall days, 28.9mm (1.1") of precipitation is typically accumulated. In Patras, during the entire year, the rain falls for 86 days and collects up to 662.7mm (26.1") of precipitation.

Sea temperature

In May, the average sea temperature is 19.2°C (66.6°F).
Note: For swimming, a surface water temperature of 19.2°C (66.6°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 Patras, Greece, the average length of the day is 14.3h.

Sunshine

In Patras, Greece, the average sunshine in May is 10h.

UV index

In May, the average daily maximum UV index is 8. A UV Index estimate of 8 to 10 represents a very high health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the average maximum UV index of 8 translate into the following recommendations:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Patras?

In May, in Patras, Greece, the average high-temperature is 24.2°C (75.6°F), and the average low-temperature is 13.9°C (57°F).

How many days does it rain in May in Patras?

In May, in Patras, the rain falls for 5.3 days. Throughout May, 28.9mm (1.1") of precipitation is accumulated.

How cold is the water in May in Patras?

In Patras, Greece, the average seawater temperature in May is 19.2°C (66.6°F). For swimming, a surface water temperature of 19.2°C (66.6°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).

How many hours of daylight does Patras have in May?

In May, the average length of the day in Patras, Greece, is 14.3h.

How many hours of sunshine does Patras have in May?

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

What is the UV index reading in May in Patras?

In May, the average daily maximum UV index in Patras is 8. A UV Index of 8 to 10 symbolizes a very high health threat from the exposure to the Sun's UV radiation.
Average temperature in May - Patras, Greece
  • Average high temperature in May: 24.2°C

The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (14.5°C).

  • Average low temperature in May: 13.9°C

The month with the highest average low temperature is August (19.6°C).
The coldest month (with the lowest average low temperature) is January (6.1°C).

Average rainfall in May - Patras, Greece
  • Average rainfall in May: 28.9mm

The wettest month (with the highest rainfall) is November (118mm).
The driest month (with the lowest rainfall) is July (4.6mm).

Average rainfall days in May - Patras, Greece
  • Average rainfall days in May: 5.3 days

The month with the highest number of rainy days is December (13.2 days).
Months with the lowest number of rainy days are July and August (1 days).

Average sea temperature in May - Patras, Greece
  • Average sea temperature in May: 19.2°C

The best month for swimming (with the highest average sea temperature) is August (26.1°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).

Average daylight in May / Average sunshine in May - Patras, Greece
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.8h).
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).
Months with least sunshine are January, February, November and December (Average sunshine: 5).

Average UV index in May - Patras, 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).