May weather - Autumn 2024 - Diego Garcia, British Indian Ocean Territory

Weather in May
Frequently asked questions
Average temperature 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 UV index in May

Palm trees bent towards the ocean in a lagoon beach in Diego Garcia, within British Indian Ocean Territory

Weather in May

Diego Garcia's May witnesses further upswing in rainfall from 58mm (2.28") to a significant 278mm (10.94"), announcing the onset of the monsoon season. Despite the escalation in precipitation, there remains little variation in temperature across the island and the sea, emphasizing the tropical climate's predictability. Sunshine hours shrink to 7.2 while daylight duration lowers slightly to 11.8 hours. The immense rainfall surpasses minor alterations in daylight and sunshine, defining May as the stepping stone into the wet season.

Temperature

The coldest period, with an average high-temperature of 30°C (86°F), falls in March through November.

Rainfall

In Diego Garcia, during May, the rain falls for 15 days and regularly aggregates up to 278mm (10.94") of precipitation. Throughout the year, in Diego Garcia, British Indian Ocean Territory, there are 123 rainfall days, and 2213mm (87.13") of precipitation is accumulated.

Sea temperature

In Diego Garcia, the average seawater temperature in May is 28°C (82.4°F).
Note: For engaging in water activities including swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are perceived as perfect, providing pleasure for extended durations.

Daylight

The average length of the day in May in Diego Garcia is 11h and 47min.
On the first day of May in Diego Garcia, sunrise is at 07:11 and sunset at 19:02. On the last day of the month, sunrise is at 07:16 and sunset at 18:59 +06.

Sunshine

The average sunshine in May is 7.2h.

UV index

In May, the average daily maximum UV index is 11. A UV Index of 11, and more, symbolizes an extreme health hazard from exposure to the Sun's UV radiation for the average person.
Note: In May, a daily UV index of 11 turns into the following recommendations:
Practice every essential safety step. People with fair skin could receive burns in fewer than 5 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Directly after outdoor activities or swimming, a broad-spectrum sunscreen with SPF 30+ should be applied generously and reapplied frequently. Heed this! UV intensity is much stronger when reflected off sand and water.

Updated: Jan 26, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What time of the year is the coldest in Diego Garcia?

The coldest period in Diego Garcia, with an average high-temperature of 30°C (86°F), falls in March through November.

How hot is May in Diego Garcia?

Diego Garcia in May has an average high-temperature of 30°C (86°F) and an average low-temperature of 27°C (80.6°F).

How much does it rain in Diego Garcia in May?

In Diego Garcia, British Indian Ocean Territory, in May, during 15 rainfall days, 278mm (10.94") of precipitation is typically accumulated.

What is the sea water temperature in May in Diego Garcia?

In Diego Garcia, British Indian Ocean Territory, the average seawater temperature in May is 28°C (82.4°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 Diego Garcia?

In Diego Garcia, British Indian Ocean Territory, the average day length in May is 11h and 47min.

When is the sunrise / sunset in May in Diego Garcia?

In May, on the first day of the month, sunrise is at 07:11 and sunset at 19:02. On the last day of the month, in Diego Garcia, British Indian Ocean Territory, sunrise is at 07:16 and sunset at 18:59 +06.

How many hours of sunshine does Diego Garcia have in May?

The average sunshine duration in May in Diego Garcia, British Indian Ocean Territory, is 7.2h.

What is the UV index reading in May in Diego Garcia?

The average daily maximum UV index in May in Diego Garcia, British Indian Ocean Territory, is 11. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to Sun's UV rays.

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Long-term

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

Apr

May

Jun

Average high temperature

30°C 86°F

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in May
Diego Garcia, British Indian Ocean Territory

Average high temperature in May: 30°C

The warmest months (with the highest average high temperature) are January, February and December (31°C).
The months with the lowest average high temperature are March, April, May, June, July, August, September, October and November (30°C).

Average low temperature in May: 27°C

The months with the highest average low temperature are January, March, April, May, August, September, October and December (27°C).
The coldest months (with the lowest average low temperature) are February, June, July and November (26°C).

Average rainfall in May
Diego Garcia, British Indian Ocean Territory

Average rainfall in May: 278mm

The wettest month (with the highest rainfall) is August (298mm).
The driest month (with the least rainfall) is February (18mm).

Average rainfall days in May
Diego Garcia, British Indian Ocean Territory

Average rainfall days in May: 15 days

The month with the highest number of rainy days is June (17 days).
The months with the least rainy days are February and March (1 days).

Average sea temperature in May
Diego Garcia, British Indian Ocean Territory

Average sea temperature in May: 28°C

The best months for swimming (with the highest average sea temperature) are March and April (29°C).
The coldest months (with the lowest average sea temperature) are June, July, August and September (27°C).

Average daylight in May /
Average sunshine in May
Diego Garcia, British Indian Ocean Territory

Average daylight in May: 11h and 5min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

Average sunshine in May: 7h and 1min

The month with the most sunshine is February (Average sunshine: 9h and 18min).
The months with the least sunshine are June and September (Average sunshine: 6h and 42min).

Average UV index in May
Diego Garcia, British Indian Ocean Territory

Average UV index in May: 11

The months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 10).

May weather forecast
Diego Garcia, British Indian Ocean Territory

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