May weather forecast
Corvo Island, Portugal

Grazing cows in Corvo Island fields, Portugal
Grazing cows in Corvo Island fields, Portugal

May

Weather in May

May, the last month of the spring in Corvo Island, is a refreshing month, with an average temperature fluctuating between 11°C (51.8°F) and 16°C (60.8°F).

Temperature

During May, the average high-temperature is a comfortable 16°C (60.8°F), maintaining a close resemblance to that of the preceding month. Corvo Island, during May nights, witnesses an average temperature marginally cooler than its daytime highs, at a cool 11°C (51.8°F).

Rainfall

In Corvo Island, Portugal, during May, the rain falls for 14 days and regularly aggregates up to 75mm (2.95") of precipitation. In Corvo Island, during the entire year, the rain falls for 191 days and collects up to 1230mm (48.43") of precipitation.

Sea temperature

In Corvo Island, the average seawater temperature in May is 17°C (62.6°F).
Note: For swimming, a surface water temperature of 17°C (62.6°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 May, the average length of the day is 14h and 23min.
On the first day of the month, sunrise is at 07:04 and sunset at 20:58. On the last day of May, sunrise is at 06:38 and sunset at 21:25 +00.

Sunshine

The average sunshine in May is 6h.

UV index

The average daily maximum UV index in May is 8. A UV Index reading of 8 to 10 represents a very high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 8 during May, leads to the following recommendations:
Take important precautions because unprotected skin can burn and be harmed swiftly. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

What is the average May temperature?
The average high-temperature, in May, in Corvo Island, is 16°C (60.8°F), while the average low-temperature is 11°C (51.8°F).
How many days does it rain in May in Corvo Island?
In Corvo Island, in May, it is raining for 14 days, with typically 75mm (2.95") of accumulated precipitation.
How cold is the water in May?
In Corvo Island, Portugal, in May, the average water temperature is 17°C (62.6°F). For most, swimming in 17°C (62.6°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 Corvo Island?
In Corvo Island, the average day length in May is 14h and 23min.
When are sunrise and sunset in May?
On the first day of May, sunrise is at 07:04 and sunset at 20:58. On the last day of the month, sunrise is at 06:38 and sunset at 21:25 +00.
How many hours of sunshine does Corvo Island have in May?
In May, the average sunshine duration is 6h.
How high is the UV index in May?
In May, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average UV index
Average temperature in May
Corvo Island, Portugal
  • Average high temperature in May: 16°C

The warmest month (with the highest average high temperature) is August (22°C).
The months with the lowest average high temperature are January, February and March (13°C).

  • Average low temperature in May: 11°C

The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (8°C).

Average rainfall in May
Corvo Island, Portugal
  • Average rainfall in May: 75mm

The wettest month (with the highest rainfall) is December (140mm).
The driest month (with the least rainfall) is July (55mm).

Average rainfall days in May
Corvo Island, Portugal
  • Average rainfall days in May: 14 days

The month with the highest number of rainy days is January (20 days).
The months with the least rainy days are June, July and August (12 days).

Average sea temperature in May
Corvo Island, Portugal
  • Average sea temperature in May: 17°C

The best months for swimming (with the highest average sea temperature) are August and September (23°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (16°C).

Average daylight in May /
Average sunshine in May
Corvo Island, Portugal
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 6h

The months with the most sunshine are July and August (Average sunshine: 7h).
The months with the least sunshine are January, February, November and December (Average sunshine: 3h).

Average UV index in May
Corvo Island, Portugal
  • Average UV index in May: 8

The month with the highest UV index is July (UV index 9).
The months with the lowest UV index are January and December (UV index 2).

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