The best time to visit Diego Garcia is generally during the drier, cooler months between April and November.
During this period, you'll experience less rainfall and more agreeable temperatures, typically ranging from 25°C to 30°C. This makes it ideal for enjoying water activities such as snorkelling, diving, and sailing, as the calmer seas offer better visibility and more comfortable conditions. It's also a good time for exploring the island's natural beauty, including its pristine beaches and lagoons, without the interruption of heavy downpours.
Couples looking for a relaxing beach holiday will find these months particularly appealing. The consistent good weather allows for uninterrupted days by the sea or exploring the island's secluded spots. It's also a good time for those interested in marine life, as the clear waters provide excellent opportunities for spotting a variety of fish and corals.
For those seeking an active trip focused on outdoor pursuits, this drier season is perfect. Conditions are favourable for long walks along the shore, birdwatching, and engaging in various water sports.