May weather forecastSal, Cape Verde

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

May

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

Sal records an average high-temperature of a still pleasant 22.5°C (72.5°F) in May, closely mirroring the climate of the previous month. Nighttime in Sal, during May, brings an average low of 21.3°C (70.3°F), a modest reduction from the day's peak.

Humidity

The average relative humidity in May is 82%.

Rainfall

In May, the rain falls for 2.3 days. Throughout May, 3mm (0.12") of precipitation is accumulated. In Sal, during the entire year, the rain falls for 37.7 days and collects up to 90mm (3.54") of precipitation.

Sea temperature

January through May, with an average sea temperature of 22°C (71.6°F), are months with the coldest seawater.
Note: While a person's sensitivity to cold is personal, factors like sunshine, wind, and the temperature can influence their comfort in 22°C (71.6°F) waters. Olympians, for perspective, swim in waters between 25°C (77°F) and 28°C (82.4°F).

Daylight

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

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 threat to health from exposure to the Sun's UV radiation for the average person.
Note: In May, an average UV index of 6 transforms into the following instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. 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. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.

Updated: Aug 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In May, in Sal, the average high-temperature is 22.5°C (72.5°F), and the average low-temperature is 21.3°C (70.3°F).

In May, the average relative humidity is 82%.

In May, the rain falls for 2.3 days. Throughout May, 3mm (0.12") of precipitation is accumulated.

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

In May, the average sea temperature is 22°C (71.6°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22°C (71.6°F).

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

In May, on the first day of the month, 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.

In May, the average sunshine duration is 9.9h.

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

In Sal, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

21.8°C

22.5°C

23°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

27.9km/h

28.5km/h

25.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

3.3

2.3

1.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

27.3

27.5

26.5

Average UV index

Average cloud cover

21%

Average visibility

10km

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: 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: 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: 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: 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: 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: 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: 12h and 54min

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 54min

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: 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: 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: 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: 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).