Diego Garcia
British Indian Ocean Territory
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Diego Garcia, British Indian Ocean Territory

Palm trees bent towards the ocean in a lagoon beach in Diego Garcia, within the British Indian Ocean Territory
Palm trees bent towards the ocean in a lagoon beach in Diego Garcia, within the British Indian Ocean Territory
August, the last month of the winter, in Diego Garcia, is also a hot month, with average temperature fluctuating between 30°C (86°F) and 27°C (80.6°F).

Temperature

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

Rainfall

The month with the most rainfall in Diego Garcia, British Indian Ocean Territory, is August when the rain falls for 14 days and typically aggregates up to 298mm (11.7") of precipitation.

Sea temperature

June through September, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater in Diego Garcia.
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

In Diego Garcia, British Indian Ocean Territory, the average length of the day is 11.9h.

Sunshine

In August, the average sunshine is 6.8h.

UV index

January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index in Diego Garcia. A UV Index reading of 11, and higher, represents an extreme threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 12 translate into the following recommendations:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the coldest month in Diego Garcia?

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

What is the temperature in August in Diego Garcia?

The average high-temperature, in August, in Diego Garcia, is 30°C (86°F), while the average low-temperature is 27°C (80.6°F).

How much does it rain in Diego Garcia in August?

In August, in Diego Garcia, the rain falls for 14 days. Throughout August, 298mm (11.7") of precipitation is accumulated.

What is the rainiest month in Diego Garcia?

August is the month with the most rainfall in Diego Garcia, British Indian Ocean Territory. Rain falls for 14 days and accumulates 298mm (11.7") of precipitation.

What months are the sea coldest in Diego Garcia?

June through September, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater in Diego Garcia.

What is the water temperature in August in Diego Garcia?

In Diego Garcia, British Indian Ocean Territory, in August, the average water temperature is 27°C (80.6°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 August in Diego Garcia?

In Diego Garcia, the average length of the day in August is 11.9h.

How long on average sun shines in August in Diego Garcia?

The average sunshine in August in Diego Garcia is 6.8h.

What are the months with the highest UV index in Diego Garcia?

January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index in Diego Garcia.

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

In Diego Garcia, British Indian Ocean Territory, the average daily maximum UV index in August is 12. A UV Index estimate of 11, and higher, represents an extreme health threat from unsafe exposure to the Sun's UV rays.
Average temperature in August - Diego Garcia, British Indian Ocean Territory
  • Average high temperature in August: 30°C

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

  • Average low temperature in August: 27°C

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

Average rainfall in August - Diego Garcia, British Indian Ocean Territory
  • Average rainfall in August: 298mm

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

Average rainfall days in August - Diego Garcia, British Indian Ocean Territory
  • Average rainfall days in August: 14 days

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

Average sea temperature in August - Diego Garcia, British Indian Ocean Territory
  • Average sea temperature in August: 27°C

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

Average daylight in August / Average sunshine in August - Diego Garcia, British Indian Ocean Territory
  • Average daylight in August: 11.9h

Months with the longest days are January, November and December (Average daylight: 12.5h).
Months with shortest days are June and July (Average daylight: 11.7h).

  • Average sunshine in August: 6.8h

The month with most sunshine is February (Average sunshine: 9.3h).
Months with least sunshine are June and September (Average sunshine: 6.7).

Average UV index in August - Diego Garcia, British Indian Ocean Territory
  • Average UV index in August: 12

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