Weather & climate · administered from London
Best Time to Visit British Indian Ocean Territory
May to October
The best time to visit the British Indian Ocean Territory is May to October, when daytime highs in administered from London are around 22–26°C. November to February are also a good time to go. March is the warmest month (28°C by day), August the coldest (21°C at night), and March the wettest with about 101 mm of rain.
28°C
Warmest: March
21°C
Coldest nights: August
513 mm
Rain per year
101 mm
Wettest: March
British Indian Ocean Territory weather by month
- Jan27°C27°C55 mm
- Feb28°C27°C71 mm
- Mar28°C28°C101 mm
- Apr28°C27°C98 mm
- May26°C26°C47 mm
- Jun24°C23°C2 mm
- Jul22°C21°C1 mm
- Aug22°C21°C2 mm
- Sep23°C22°C5 mm
- Oct25°C24°C20 mm
- Nov27°C26°C55 mm
- Dec27°C26°C56 mm
Best time Good Less ideal
| Month | High | Low | Rain | Humidity | Cloud cover | Verdict |
|---|---|---|---|---|---|---|
| January | 27°C | 27°C | 55 mm | 82% | 76% | Good |
| February | 28°C | 27°C | 71 mm | 82% | 80% | Good |
| March | 28°C | 28°C | 101 mm | 82% | 75% | Fair |
| April | 28°C | 27°C | 98 mm | 85% | 75% | Fair |
| May | 26°C | 26°C | 47 mm | 86% | 57% | Best time |
| June | 24°C | 23°C | 2 mm | 86% | 50% | Best time |
| July | 22°C | 21°C | 1 mm | 87% | 55% | Best time |
| August | 22°C | 21°C | 2 mm | 88% | 60% | Best time |
| September | 23°C | 22°C | 5 mm | 87% | 64% | Best time |
| October | 25°C | 24°C | 20 mm | 85% | 72% | Best time |
| November | 27°C | 26°C | 55 mm | 84% | 73% | Good |
| December | 27°C | 26°C | 56 mm | 83% | 78% | Good |
Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around administered from London (-7.3, 12.4). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in the British Indian Ocean Territory have their own climate.
Frequently asked questions
When is the best time to visit the British Indian Ocean Territory?
May to October. The best time to visit the British Indian Ocean Territory is May to October, when daytime highs in administered from London are around 22–26°C. November to February are also a good time to go. March is the warmest month (28°C by day), August the coldest (21°C at night), and March the wettest with about 101 mm of rain.
What is the hottest month in the British Indian Ocean Territory?
March, with average highs of 28°C in administered from London.
What is the coldest month in the British Indian Ocean Territory?
August, when nights drop to about 21°C and days reach 22°C.
What is the rainiest month in the British Indian Ocean Territory?
March with about 101 mm; July is the driest (1 mm).
When should I avoid visiting the British Indian Ocean Territory?
March is the least comfortable month on average: 28°C by day and 101 mm of rain.