August weather forecast
British Indian Ocean Territory

In August, the British Indian Ocean Territory maintains the dry season's conditions, characterized by low rainfall and consistent temperatures. The average rainfall is approximately 80mm (3.15"), a slight increase from July, but still well below the levels observed in the wet season.

Temperatures in August continue the consistent pattern observed in previous months, with averages ranging from 25°C (77°F) to 27°C (80.6°F). High levels of relative humidity persist, typically exceeding 80%, contributing to a warmer perceived temperature.

Compared to July, August experiences a marginal increase in rainfall, although temperatures and humidity levels remain largely constant. Looking forward to September, the onset of the wet season is marked by a noticeable increase in rainfall while temperatures and humidity remain steady.

As with other months, the U.S. naval support facility on Diego Garcia, the largest settlement in the territory, experiences similar weather conditions in August. The British Indian Ocean Territory, being predominantly uninhabited, does not feature any notable cities.

August continues to offer favourable conditions for visitors. The relatively low rainfall and steady temperatures allow for enjoyable outdoor activities and exploration. Additionally, the clear ocean waters and excellent visibility continue to provide a vibrant experience for divers and snorkelers, with an abundance of marine life to observe.

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• Diego Garcia - August »
  January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index in Diego Garcia, British Indian Ocean Territory. January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index in Diego Garcia, British Indian Ocean Territory.