Oia
Greece
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Oia, Greece

The last month of the spring, May, is a pleasant month in Oia, Greece, with temperature in the range of an average low of 16°C (60.8°F) and an average high of 22°C (71.6°F).

Temperature

In Oia, the average high-temperature slightly increases, from a comfortable 19°C (66.2°F) in April, to an agreeable 22°C (71.6°F). In May, in Oia, the average low-temperature is 16°C (60.8°F).

Rainfall

In Oia, it is raining for 3 days, with typically 14mm (0.6") of accumulated precipitation. In Oia, Greece, during the entire year, the rain falls for 65 days and collects up to 554mm (21.8") of precipitation.

Sea temperature

In Oia, the average seawater temperature in May is 18°C (64.4°F). For most, swimming in 18°C (64.4°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 is 14.1h.

Sunshine

The average sunshine in Oia is 10h.

UV index

In Oia, the average daily maximum UV index in May is 8. A UV Index of 8 to 10 symbolizes a very high health risk from unsafe exposure to the UV radiation for average individuals.
The average daily UV index of 8 transform into the following instructions:
Take extra precautions. Protection against sun damage is required. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in May in Oia?

In Oia, in May, the average high-temperature is 22°C (71.6°F), and the average low-temperature is 16°C (60.8°F).

How many days does it rain in May in Oia?

In May, the rain falls for 3 days. Throughout May, 14mm (0.6") of precipitation is accumulated.

What is the sea temperature in May in Oia?

In Oia, the average seawater temperature in May is 18°C (64.4°F). For most, swimming in 18°C (64.4°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 Oia have in May?

The average length of the day in May in Oia is 14.1h.

How many hours of sunshine does Oia have in May?

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

How high is the UV index in May in Oia?

In Oia, the average daily maximum UV index in May is 8. A UV Index of 8 to 10 symbolizes a very high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in May - Oia, Greece
  • Average high temperature in May: 22°C

The warmest month (with the highest average high temperature) is August (28°C).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in May: 16°C

Months with the highest average low temperature are July and August (23°C).
Coldest months (with the lowest average low temperature) are January and February (9°C).

Average rainfall in May - Oia, Greece
  • Average rainfall in May: 14mm

The wettest month (with the highest rainfall) is January (114mm).
Driest months (with the lowest rainfall) are July and August (1mm).

Average rainfall days in May - Oia, Greece
  • Average rainfall days in May: 3 days

The month with the highest number of rainy days is December (12 days).
Months with the lowest number of rainy days are June, July, August and September (1 days).

Average sea temperature in May - Oia, Greece
  • Average sea temperature in May: 18°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 February and March (15°C).

Average daylight in May / Average sunshine in May - Oia, 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: 10h

Months with most sunshine are June and July (Average sunshine: 13h).
Months with least sunshine are January and December (Average sunshine: 4).

Average UV index in May - Oia, 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).