May weather forecast
Oia, Greece

May

Weather in May

The last month of the spring, May, is a pleasant month in Oia, Greece, with an average temperature varying between 20.3°C (68.5°F) and 19.2°C (66.6°F).

Temperature

Oia in May observes a minor temperature shift, with average high-temperatures adjusting from an enjoyable 17.2°C (63°F) in April to an agreeable 20.3°C (68.5°F). A mean low-temperature of 19.2°C (66.6°F) is a distinguishing feature of May in Oia, indicating a slight dip from daytime highs.

Humidity

The average relative humidity in May in Oia is 75%.

Rainfall

In Oia, Greece, during May, the rain falls for 6.2 days and regularly aggregates up to 13mm (0.51") of precipitation. Throughout the year, in Oia, there are 87.8 rainfall days, and 221mm (8.7") of precipitation is accumulated.

Sea temperature

In Oia, in May, the average water temperature is 18°C (64.4°F).
Note: Swimming in water with a temperature of 18°C (64.4°F) is not a pleasurable experience for the majority. As the temperature falls below 21°C (69.8°F), it becomes increasingly hard to control one's breathing.

Daylight

In Oia, the average length of the day in May is 14h and 7min.
On the first day of May, sunrise is at 06:24 and sunset at 20:06. On the last day of the month, sunrise is at 06:01 and sunset at 20:30 EEST.

Sunshine

In May, the average sunshine in Oia is 11.6h.

UV index

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

What is the average May temperature in Oia?
During May, Oia experiences an average high-temperature of 20.3°C (68.5°F) and a low-temperature of 19.2°C (66.6°F).
What is the average humidity in May in Oia?
In Oia, the average relative humidity in May is 75%.
How much does it rain in Oia in May?
In Oia, Greece, during May, the rain falls for 6.2 days and regularly aggregates up to 13mm (0.51") of precipitation.
What is the sea temperature in May in Oia?
In May, the average sea temperature in Oia 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).
What is the average length of the day in May in Oia?
The average day length in May in Oia is 14h and 7min.
When is the sunrise / sunset in May in Oia?
On the first day of May, sunrise is at 06:24 and sunset at 20:06. On the last day of the month, sunrise is at 06:01 and sunset at 20:30 EEST.
How many hours of sunshine does Oia have in May?
In Oia, the average sunshine duration in May is 11.6h.
What is the UV index reading in May in Oia?
The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Oia, Greece
  • Average high temperature in May: 20.3°C

The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (14.7°C).

  • Average low temperature in May: 19.2°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (12.9°C).

Average pressure in May
Oia, Greece
  • Average pressure in May: 1012.6mbar

The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1009mbar).

Average wind speed in May
Oia, Greece
  • Average wind speed in May: 19.8km/h

The windiest month (with the highest average wind speed) is January (29.2km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).

Average humidity in May
Oia, Greece
  • Average humidity in May: 75%

The month with the highest relative humidity is August (77%).
The months with the lowest relative humidity are January and December (70%).

Average rainfall in May
Oia, Greece
  • Average rainfall in May: 13mm

The wettest month (with the highest rainfall) is February (38mm).
The driest months (with the least rainfall) are July and August (2mm).

Average rainfall days in May
Oia, Greece
  • Average rainfall days in May: 6.2 days

The month with the highest number of rainy days is January (14.2 days).
The month with the least rainy days is August (0.4 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).
The 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: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in May: 11h and 4min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in May
Oia, Greece
  • Average sunshine days in May: 22.9 days

The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is January (13.3 days).

Average UV index in May
Oia, Greece
  • Average UV index in May: 6

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in May
Oia, Greece
  • Average cloud cover in May: 14

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 2).

Average visibility in May
Oia, Greece
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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