May weather forecast
Sal, Cape Verde

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A man aboard a simple boat near a beach, on the clear waters of Santa Maria Island in Sal, Cape Verde
A man aboard a simple boat near a beach, on the clear waters of Santa Maria Island in Sal, Cape Verde

Weather in May

May triggers the transition of Sal from spring to summer. Displaying a temperature range of 21.3°C (70.3°F) to 22.5°C (72.5°F), the weather becomes significantly warmer than the preceding April. Reduced rainfall and increased sea temperatures create perfect conditions for seaside and outdoor activities. The lengthening sunshine hours spotlight the island's fantastic landscapes and iconic attractions. As May progresses into June, Sal readies itself for the hottest phase of the year.

Temperature

As Sal welcomes May, the average high-temperature is noted at a still pleasant 22.5°C (72.5°F), closely aligning with the preceding month. The low temperature average during May reflects a slight decrease to a still agreeable 21.3°C (70.3°F) from the day's peak.

Humidity

In Sal, the average relative humidity in May is 82%.

Rainfall

In Sal, Cape Verde, during May, the rain falls for 2.3 days and regularly aggregates up to 3mm (0.12") of precipitation. Throughout the year, there are 37.7 rainfall days, and 90mm (3.54") of precipitation is accumulated.

Sea temperature

The months with the coldest seawater are January through May, with an average sea temperature of 22°C (71.6°F).
Note: Given an individual's cold sensitivity, considering factors like sunshine, wind, and air temperature, a brief swim in 22°C (71.6°F) water might be pleasurable. (FYI: The standard water temperature for Olympic swimming contests is 25°C (77°F) to 28°C (82.4°F).)

Daylight

In Sal, the average length of the day in May is 12h and 55min.
On the first day of the month, sunrise is at 06:06 and sunset at 18:51. On the last day of May, sunrise is at 05:57 and sunset at 19:01 -01.

Sunshine

In May, the average sunshine is 9.9h.

UV index

January through August, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Experience reduced UV exposure by about half when donning a wide-brim hat. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

Frequently asked questions

What is the average May temperature?

The high-temperature, in May, in Sal, records 22.5°C (72.5°F), while the low-temperature is 21.3°C (70.3°F).

What is the average humidity in May?

In Sal, the average relative humidity in May is 82%.

How much does it rain in Sal in May?

In Sal, in May, during 2.3 rainfall days, 3mm (0.12") of precipitation is typically accumulated.

When is the sea coldest in Sal?

January through May, with an average sea temperature of 22°C (71.6°F), are months with the coldest seawater.

How warm is the water in May?

In Sal, in May, the average water temperature is 22°C (71.6°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 22°C (71.6°F) water.

How many hours of daylight does Sal have in May?

In Sal, the average day length in May is 12h and 55min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 06:06 and sunset at 18:51. On the last day of the month, sunrise is at 05:57 and sunset at 19:01 -01.

How long on average sun shines in May?

In May, the average sunshine duration is 9.9h.

When is the lowest UV index?

The months with the lowest UV index are January through August, November and December, with an average maximum UV index of 6.

What is the UV index reading in May?

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.

Average temperature in May
Sal, Cape Verde

Average temperature in May - Sal, Cape Verde
  • Average high temperature in May: 22.5°C

The warmest month (with the highest average high temperature) is October (26.7°C).
The month with the lowest average high temperature is March (21.6°C).

  • Average low temperature in May: 21.3°C

The month with the highest average low temperature is September (26°C).
The coldest month (with the lowest average low temperature) is March (20.6°C).

Average pressure in May
Sal, Cape Verde

Average pressure in May - Sal, Cape Verde
  • Average pressure in May: 1014.9mbar

The month with the highest atmospheric pressure is January (1016.2mbar).
The month with the lowest atmospheric pressure is August (1013mbar).

Average wind speed in May
Sal, Cape Verde

Average wind speed in May - Sal, Cape Verde
  • Average wind speed in May: 27.9km/h

The windiest month (with the highest average wind speed) is February (30.2km/h).
The calmest month (with the lowest average wind speed) is August (17.9km/h).

Average humidity in May
Sal, Cape Verde

Average humidity in May - Sal, Cape Verde
  • Average humidity in May: 82%

The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are January and December (72%).

Average rainfall in May
Sal, Cape Verde

Average rainfall in May - Sal, Cape Verde
  • Average rainfall in May: 3mm

The wettest month (with the highest rainfall) is August (35mm).
The driest month (with the least rainfall) is January (0mm).

Average rainfall days in May
Sal, Cape Verde

Average rainfall days in May - Sal, Cape Verde
  • Average rainfall days in May: 2.3 days

The month with the highest number of rainy days is September (8 days).
The month with the least rainy days is January (1 days).

Average sea temperature in May
Sal, Cape Verde

Average sea temperature in May - Sal, Cape Verde
  • Average sea temperature in May: 22°C

The best month for swimming (with the highest average sea temperature) is September (27°C).
The coldest months (with the lowest average sea temperature) are January, February, March, April and May (22°C).

Average daylight in May /
Average sunshine in May
Sal, Cape Verde

Average daylight in May / Average sunshine in May - Sal, Cape Verde
  • Average daylight in May: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is August (Average sunshine: 7h and 0min).

Average sunshine days in May
Sal, Cape Verde

Average sunshine days in May - Sal, Cape Verde
  • Average sunshine days in May: 27.5 days

The month with the most sunshine days is January (29.5 days).
The month with the least sunshine days is September (18.9 days).

Average UV index in May
Sal, Cape Verde

Average UV index in May - Sal, Cape Verde
  • Average UV index in May: 6

The months with the highest UV index are September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).

Average cloud cover in May
Sal, Cape Verde

Average cloud cover in May - Sal, Cape Verde
  • Average cloud cover in May: 21

The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 18).

Average visibility in May
Sal, Cape Verde

Average visibility in May - Sal, Cape Verde
  • 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).

Sal, Cape Verde

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