British Indian Ocean Territory - When to go?


A period is considered as “favorable” only if average temperatures are pleasant and average precipitations moderate (compared to the rest of the year). Local events (festivals, fauna observation, snow falls…) are not taken into account.

Weather averages

°C | °F

  • Diego Garcia

    J F M A M J J A S O N D
    Avg. temperature (°C) 27.8 27.8 27.8 27.8 27.8 26.7 26.7 26.7 26.7 26.7 26.7 27.8
    Av. precipitations (mm) 322 256 215 185 134 152 142 144 226 254 213 261
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