March weather forecast
British Indian Ocean Territory

In the British Indian Ocean Territory, the month of March signifies the transition phase from the wet season to the beginning of the drier period. March experiences a decrease in rainfall compared to February, with an average precipitation of approximately 170mm (6.69"), a noticeable reduction that signals the end of the monsoon season.

Temperatures during March remain warm, ranging from 26°C (78.8°F) to 30°C (86°F), maintaining the typical tropical warmth of the islands. The high humidity levels persist in March, frequently above 80%, contributing to the perception of higher temperatures.

Compared to the previous month, February, March sees a drop in the rainfall amount, though the temperatures and humidity remain relatively constant. Looking forward to April, the transition towards drier conditions continues with further reductions in rainfall expected, while temperatures and humidity levels remain steady.

As with the previous months, there are no notable cities in the British Indian Ocean Territory due to its predominantly uninhabited status. The largest settlement, the U.S. naval support facility on Diego Garcia, experiences similar weather conditions to the rest of the territory.

The reduced rainfall in March compared to the peak monsoon months can make this a more attractive time for visitors. The flourishing underwater ecosystem remains a draw for divers and snorkelers, while the milder conditions make general exploration of the islands more comfortable.

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• Diego Garcia - March »
  The first month of the autumn, March, is also a hot month in Diego Garcia with an average temperature varying between 27°C (80.6°F) and 30°C (86°F). In Diego Garcia, British Indian Ocean Territory, during March, the rain falls for 1 days and regularly aggregates up to 23mm (0.91") of precipitation.