Sisi
Greece
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Sisi, Greece

May, the last month of the spring, in Sisi, is an agreeable month, with average temperature ranging between min 13°C (55.4°F) and max 21°C (69.8°F).

Temperature

In May, the average high-temperature slightly increases, from an enjoyable 17°C (62.6°F) in April, to an agreeable 21°C (69.8°F). In May, in Sisi, the average low-temperature is 13°C (55.4°F).

Rainfall

In Sisi, during May, the rain falls for 4 days and regularly aggregates up to 25mm (1") of precipitation. Throughout the year, in Sisi, there are 75 rainfall days, and 847mm (33.3") of precipitation is accumulated.

Sea temperature

In Sisi, the average seawater temperature is 19°C (66.2°F). 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 Sisi is 14h.

Sunshine

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

UV index

In Sisi, the average daily maximum UV index is 9. A UV Index of 8 to 10 symbolizes a very high threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
The average daily UV index of 9 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. 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 Sisi?

The average high-temperature, in May, in Sisi, is 21°C (69.8°F), while the average low-temperature is 13°C (55.4°F).

How many days does it rain in May in Sisi?

In Sisi, Greece, in May, it is raining for 4 days, with typically 25mm (1") of accumulated precipitation.

How cold is the water in May in Sisi?

In Sisi, the average seawater temperature in May is 19°C (66.2°F). Swimming in 19°C (66.2°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 Sisi?

In May, the average length of the day is 14h.

How many hours of sunshine does Sisi have in May?

The average sunshine in May in Sisi, Greece, is 10h.

What is the UV index reading in May in Sisi?

The average daily maximum UV index in May in Sisi is 9. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in May - Sisi, Greece
  • Average high temperature in May: 21°C

Warmest months (with the highest average high temperature) are July and August (26°C).
Months with the lowest average high temperature are January and February (12°C).

  • Average low temperature in May: 13°C

Months with the highest average low temperature are July and August (19°C).
Coldest months (with the lowest average low temperature) are January and February (6°C).

Average rainfall in May - Sisi, Greece
  • Average rainfall in May: 25mm

The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the lowest rainfall) is August (3mm).

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

The month with the highest number of rainy days is December (13 days).
Months with the lowest number of rainy days are July and August (1 days).

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

The best month for swimming (with the highest average sea temperature) is August (25°C).
Coldest months (with the lowest average sea temperature) are February and March (15°C).

Average daylight in May / Average sunshine in May - Sisi, Greece
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in May: 10h

Months with most sunshine are June, July and August (Average sunshine: 12h).
Months with least sunshine are January and December (Average sunshine: 4).

Average UV index in May - Sisi, Greece
  • Average UV index in May: 9

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).