Petra
Greece
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Petra, Greece

An aerial panoramic view of the village of Petra in Greece, the beautiful waters, and the rest of Lesvos Island and Mythimna region
An aerial panoramic view of the village of Petra in Greece, the beautiful waters, and the rest of Lesvos Island and Mythimna region
The last month of the spring, May, is a warm month in Petra, Greece, with average temperature ranging between min 13°C (55.4°F) and max 23°C (73.4°F).

Temperature

In Petra, the average high-temperature increases, from a comfortable 18°C (64.4°F) in April, to a moderately hot 23°C (73.4°F). In Petra, the average low-temperature is 13°C (55.4°F).

Rainfall

In Petra, during May, the rain falls for 5 days and regularly aggregates up to 30mm (1.2") of precipitation. Throughout the year, in Petra, there are 86 rainfall days, and 646mm (25.4") of precipitation is accumulated.

Sea temperature

In Petra, Greece, the average seawater temperature is 18.3°C (64.9°F).
Note: For most, swimming in 18.3°C (64.9°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 Petra, the average length of the day in May is 14.3h.

Sunshine

In May, the average sunshine is 10h.

UV index

In May, the average daily maximum UV index in Petra 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 ordinary individuals.
Note: The average daily UV index of 8 transform into the following instructions:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 Petra?

In Petra, Greece, in May, the average high-temperature is 23°C (73.4°F), and the average low-temperature is 13°C (55.4°F).

How much does it rain in Petra in May?

In Petra, in May, during 5 rainfall days, 30mm (1.2") of precipitation is typically accumulated.

How cold is the water in May in Petra?

In Petra, in May, the average water temperature is 18.3°C (64.9°F). For most, swimming in 18.3°C (64.9°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).

How many hours of daylight does Petra have in May?

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

How many hours of sunshine does Petra have in May?

The average sunshine in May is 10h.

What is the UV index reading in May in Petra?

In May, the average daily maximum UV index in Petra is 8. A UV Index estimate of 8 to 10 represents a very high health threat from the exposure to the Sun's UV radiation.
Average temperature in May - Petra, Greece
  • Average high temperature in May: 23°C

The warmest month (with the highest average high temperature) is July (29°C).
Months with the lowest average high temperature are January and February (11°C).

  • Average low temperature in May: 13°C

The month with the highest average low temperature is July (20°C).
Coldest months (with the lowest average low temperature) are January and February (5°C).

Average rainfall in May - Petra, Greece
  • Average rainfall in May: 30mm

The wettest month (with the highest rainfall) is December (129mm).
The driest month (with the lowest rainfall) is August (7mm).

Average rainfall days in May - Petra, Greece
  • Average rainfall days in May: 5 days

Months with the highest number of rainy days are January and December (12 days).
Months with the lowest number of rainy days are June and September (4 days).

Average sea temperature in May - Petra, Greece
  • Average sea temperature in May: 18.3°C

The best month for swimming (with the highest average sea temperature) is August (24.5°C).
Coldest months (with the lowest average sea temperature) are February and March (15.3°C).

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

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 10h

The month with most sunshine is July (Average sunshine: 14h).
The month with least sunshine is December (Average sunshine: 4h).

Average UV index in May - Petra, 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, November and December (UV index 2).