May weather - Autumn 2024 - Port Louis, Mauritius

Weather in May
Frequently asked questions
Average temperature in May
Average pressure in May
Average wind speed in May
Average humidity in May
Average rainfall in May
Average rainfall days in May
Average sea temperature in May
Average daylight in May
Average sunshine in May
Average sunshine days in May
Average UV index in May
Average cloud cover in May
Average visibility in May

The city of Port Louis in Mauritius

Weather in May

May marks the onset of milder weather with a noticeable drop in both land and sea temperatures in Port Louis. Daylight hours start to shrink in preparation for winter, with fewer sunshine hours than in April. This diminishes the intensity of the usually harsh sun rays, providing more comfortable conditions for sightseeing. With just 21mm (0.83") average rainfall, May could be considered a dry month, especially when compared to the ensuing June. Despite the cooler conditions, the prevailing wind speed increases which intensifies the thrills for wind adventure enthusiasts.

Temperature

May's onset records an average high-temperature of a still warm 25.8°C (78.4°F), a near match to April's 27.5°C (81.5°F). During the month of May, Port Louis identifies an average nighttime low-temperature of 23.6°C (74.5°F), slightly lower than its daytime counterpart.

Humidity

The average relative humidity in May is 75%.

Rainfall

In Port Louis, during May, the rain falls for 13.8 days and regularly aggregates up to 21mm (0.83") of precipitation. Throughout the year, there are 177.1 rainfall days, and 480mm (18.9") of precipitation is accumulated.

Sea temperature

In Port Louis, the average seawater temperature in May is 26.8°C (80.2°F).
Note: For water activities like swimming, diving, and more, temperatures ranging between 25°C (77°F) and 29°C (84.2°F) offer superior comfort and enjoyment for lengthy durations.

Daylight

The average length of the day in May is 11h and 10min.
On the first day of May in Port Louis, sunrise is at 06:26 and sunset at 17:47. On the last day of the month, sunrise is at 06:37 and sunset at 17:37 +04.

Sunshine

The average sunshine in May is 6.6h.

UV index

The months with the lowest UV index are May through November, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Caution! The Sun's UV intensity grows with reflections off sand and water.

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Frequently asked questions

What are May temperatures in Port Louis?

The average high-temperature, in May, in Port Louis, is 25.8°C (78.4°F), while the average low-temperature is 23.6°C (74.5°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in April is evaluated at 31°C (87.8°F).

What is the average humidity in May in Port Louis?

The average relative humidity in May in Port Louis, Mauritius, is 75%.

How much does it rain in Port Louis in May?

In Port Louis, in May, it is raining for 13.8 days, with typically 21mm (0.83") of accumulated precipitation.

What is the water temperature in May in Port Louis?

In Port Louis, Mauritius, in May, the average water temperature is 26.8°C (80.2°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in May in Port Louis?

In May, the average day length in Port Louis is 11h and 10min.

What time are sunrise and sunset in May in Port Louis?

In May, on the first day of the month, sunrise is at 06:26 and sunset at 17:47. On the last day of the month, sunrise is at 06:37 and sunset at 17:37 +04.

How long on average sun shines in May in Port Louis?

The average sunshine duration in May in Port Louis, Mauritius, is 6.6h.

What are the months with the lowest UV index in Port Louis?

May through November, with an average maximum UV index of 6, are months with the lowest UV index in Port Louis, Mauritius.

How high is the UV index in May in Port Louis?

The average daily maximum UV index in May in Port Louis, Mauritius, is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Apr

May

Jun

Average high temperature

27.5°C 81.5°F

25.8°C 78.4°F

24.5°C 76.1°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

20.5km/h 12.7mph

20.3km/h 12.6mph

24km/h 14.9mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

17.5

13.8

14.2

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

8.3

12.2

9.2

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Port Louis, Mauritius

Average high temperature in May: 25.8°C

The warmest month (with the highest average high temperature) is February (28.6°C).
The month with the lowest average high temperature is August (23.5°C).

Average low temperature in May: 23.6°C

The month with the highest average low temperature is February (26°C).
The coldest month (with the lowest average low temperature) is August (21.3°C).

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Average pressure in May
Port Louis, Mauritius

Average pressure in May: 1017.2mbar

The month with the highest atmospheric pressure is August (1021mbar).
The month with the lowest atmospheric pressure is February (1011.1mbar).

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Average wind speed in May
Port Louis, Mauritius

Average wind speed in May: 19.7km/h

The windiest month (with the highest average wind speed) is August (23.6km/h).
The calmest month (with the lowest average wind speed) is November (17.1km/h).

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Average humidity in May
Port Louis, Mauritius

Average humidity in May: 75%

The months with the highest relative humidity are January, February and March (78%).
The months with the lowest relative humidity are August and September (73%).

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Average rainfall in May
Port Louis, Mauritius

Average rainfall in May: 21mm

The wettest month (with the highest rainfall) is January (97mm).
The driest month (with the least rainfall) is September (8mm).

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Average rainfall days in May
Port Louis, Mauritius

Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is March (20.8 days).
The months with the least rainy days are October and November (9.5 days).

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Average sea temperature in May
Port Louis, Mauritius

Average sea temperature in May: 26.8°C

The best month for swimming (with the highest average sea temperature) is March (28.5°C).
The coldest months (with the lowest average sea temperature) are August and September (23.7°C).

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Average daylight in May /
Average sunshine in May
Port Louis, Mauritius

Average daylight in May: 11h and 1min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).

Average sunshine in May: 6h and 4min

The month with the most sunshine is October (Average sunshine: 10h and 24min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).

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Average sunshine days in May
Port Louis, Mauritius

Average sunshine days in May: 12.2 days

The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is February (5.2 days).

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Average UV index in May
Port Louis, Mauritius

Average UV index in May: 6

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

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Average cloud cover in May
Port Louis, Mauritius

Average cloud cover in May: 35

The months with the most cloud cover are January and March (Cloud cover 44).
The month with the least cloud cover is May (Cloud cover 35).

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Average visibility in May
Port Louis, Mauritius

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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May weather forecast
Port Louis, Mauritius

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