May weather forecast and climate
Mahé, Seychelles

A view from mount Copolia, of the scenic islands of Victoria and Eden, in Mahé, Seychelles, surrounded by clear water
A view from mount Copolia, of the scenic islands of Victoria and Eden, in Mahé, Seychelles, surrounded by clear water
The last month of the autumn, May, is also a moderately hot month in Mahé, Seychelles, with average temperature fluctuating between 27.8°C (82°F) and 28.9°C (84°F).

Temperature

In May, the average high-temperature is practically the same as in April - a still moderately hot 28.9°C (84°F). The average low-temperature, in May, is 27.8°C (82°F).

Heat index

In May, the average heat index is calculated to a hot 33.6°C (92.5°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like pregnancy, differences in body mass, height, and shape, metabolic differences, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity is 76%.

Rainfall

In Mahé, in May, it is raining for 22.6 days, with typically 170mm (6.69") of accumulated precipitation. Throughout the year, in Mahé, there are 241.9 rainfall days, and 1432mm (56.38") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature is 29.1°C (84.4°F).
Note: 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.

Daylight

May through July, with an average of 11.9h of daylight, are months with the shortest days in Mahé.

Sunshine

The average sunshine in Mahé is 7.9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Mahé, Seychelles. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in May in Mahé?

The average high-temperature, in May, in Mahé, Seychelles, is 28.9°C (84°F), while the average low-temperature is 27.8°C (82°F). In May, the average heat index (a.k.a. 'real feel', 'apparent temperature'), that represents influence of the relative humidity to air temperaure, is calculated to 33.6°C (92.5°F).

What is the average humidity in May in Mahé?

The average relative humidity in May in Mahé is 76%.

How much does it rain in Mahé in May?

In Mahé, during May, the rain falls for 22.6 days and regularly aggregates up to 170mm (6.69") of precipitation.

What is the sea water temperature in May in Mahé?

In Mahé, the average seawater temperature in May is 29.1°C (84.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the month with the shortest days in Mahé?

May through July, with an average of 11.9h of daylight, are months with the shortest days in Mahé, Seychelles.

What is the average length of the day in May in Mahé?

In Mahé, the average length of the day in May is 11.9h.

How many hours of sunshine does Mahé have in May?

In Mahé, Seychelles, the average sunshine in May is 7.9h.

When is the highest UV index in Mahé?

Months with the highest UV index in Mahé, Seychelles, are January through December, with an average maximum UV index of 7.

When is the lowest UV index in Mahé?

Months with the lowest UV index in Mahé, Seychelles, are January through December, with an average maximum UV index of 7.

How high is the UV index in May in Mahé?

The average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in May - Mahé, Seychelles
  • Average high temperature in May: 28.9°C

The warmest month (with the highest average high temperature) is April (29.3°C).
The month with the lowest average high temperature is August (26.4°C).

  • Average low temperature in May: 27.8°C

The month with the highest average low temperature is April (28.1°C).
The coldest months (with the lowest average low temperature) are July and August (25.7°C).

Average pressure in May - Mahé, Seychelles
  • Average pressure in May: 1010.6mbar

The month with the highest atmospheric pressure is August (1012.4mbar).
The month with the lowest atmospheric pressure is April (1010.4mbar).

Average wind speed in May - Mahé, Seychelles
  • Average wind speed in May: 19.1km/h

The windiest month (with the highest average wind speed) is August (28.1km/h).
The calmest month (with the lowest average wind speed) is April (12.8km/h).

Average humidity in May - Mahé, Seychelles
  • Average humidity in May: 76%

Months with the highest relative humidity are July, August and September (80%).
The month with the lowest relative humidity is April (73%).

Average rainfall in May - Mahé, Seychelles
  • Average rainfall in May: 170mm

The wettest month (with the highest rainfall) is January (220mm).
The driest month (with the least rainfall) is August (50mm).

Average rainfall days in May - Mahé, Seychelles
  • Average rainfall days in May: 22.6 days

The month with the highest number of rainy days is January (23.2 days).
The month with the least rainy days is November (17.3 days).

Average sea temperature in May - Mahé, Seychelles
  • Average sea temperature in May: 29.1°C

The best month for swimming (with the highest average sea temperature) is April (29.8°C).
The coldest month (with the lowest average sea temperature) is August (26.2°C).

Average daylight in May / Average sunshine in May - Mahé, Seychelles
  • Average daylight in May: 11.9h

Months with the longest days are January and December (Average daylight: 12.4h).
Months with the shortest days are May, June and July (Average daylight: 11.9h).

  • Average sunshine in May: 7.9h

The month with the most sunshine is November (Average sunshine: 10.1h).
The month with the least sunshine is September (Average sunshine: 7h).

Average sunshine days in May - Mahé, Seychelles
  • Average sunshine days in May: 4.4 days

The month with the most sunshine days is November (10.9 days).
The month with the least sunshine days is June (3 days).

Average UV index in May - Mahé, Seychelles
  • Average UV index in May: 7

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

Average cloud cover in May - Mahé, Seychelles
  • Average cloud cover in May: 43

The month with the most cloud cover is September (Cloud cover 51).
The month with the least cloud cover is November (Cloud cover 41).

Average visibility in May - Mahé, Seychelles
  • Average visibility in May: 10km

Months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).