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British Indian Ocean Territory weather in October 2025
Expect 29°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in British Indian Ocean Territory in October. Check more long-term weather averages for British Indian Ocean Territory in October before you book your next holiday to British Indian Ocean Territory in 2025/2026.
- 2929°C max day temperature
- 1818 days with some rainfall
- 2525°C min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 245245 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2828°C sea temperature
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Recommended for the British Indian Ocean Territory
The October weather guide for British Indian Ocean Territory, represented by Diego Garcia, (Diego Garcia) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in the British Indian Ocean Territory in October?
Daytime temperatures usually reach 29°C in Diego Garcia, British Indian Ocean Territory in October with high heat and humidity, falling to 25°C at night.
How warm is the sea around the British Indian Ocean Territory in October?
The average sea temperature around Diego Garcia, British Indian Ocean Territory in October is 28°C.
Does it rain in the British Indian Ocean Territory in October?
There are usually 18 days with some rain in Diego Garcia, British Indian Ocean Territory in October and the average monthly rainfall is 245mm.
What is the chance of a cyclone in the British Indian Ocean Territory in October?
On average less than 1 day in October in Diego Garcia, British Indian Ocean Territory is likely to be affected by the passage of one or more tropical storms.
British Indian Ocean Territory October sunrise & sunset times
Browse the sunrise and sunset times for British Indian Ocean Territory in October 2025. Select a month to view British Indian Ocean Territory sunrise and sunset times for the next 12 months. The British Indian Ocean Territory sunrise and sunset times shown below are for Diego Garcia.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st October 2025 | 06:55 | 19:05 |
Thursday, 16th October 2025 | 06:48 | 19:04 |
Friday, 31st October 2025 | 06:43 | 19:05 |
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