Downtown, British Indian Ocean Territory — Weather in August 2026

Climate Overview

Downtown, British Indian Ocean Territory in August has warm conditions, with highs averaging 26.5°C (80°F). Rain falls on about 17 days this month, totalling around 164 mm. Winds are noticeable. Sea temperature reaches 27.2°C (81°F).

This month falls at the end of Winter.

Temperatures remain fairly steady throughout August, with daily highs around 27°C (81°F).

Rainfall is heaviest during the middle of the month, while the last third tends to be drier.

The warmest days tend to fall around the 1th, averaging 26.6°C (80°F).

Monthly August Averages

Temperature

27°C / 25°C

Feels Like

28°C / 26°C

Rain

17 days · 164 mm

Sunshine

9.7h / day

Humidity

82% — Very Humid

Wind

34 km/h

Wind Direction

SE (127°)

Gusts

45 km/h

Daylight

11.9 h

Cloud Cover

73%

Clear Sky Days

0.1

UV Index

7.6 — Very High

Sea Temperature

27°C

Dew Point

23°C — Muggy

Moon Phase

Waxing Crescent · 3%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

High Low

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 07:19

Daylight 11.9h

Sunset 19:11

What to Expect

Daytime temperatures around 27°C (80°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.

Recent yearly records for August have stayed close to the long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	28°C / 26°C	32°C / 29°C	24days (329 mm) Wet	9.5h Good	83% Humid	8.6 Very High	Wet	View Details
February	28°C / 26°C	33°C / 29°C	22days (266 mm) Wet	9.6h Good	82% Humid	9.3 Very High	Wet	View Details
March	28°C / 26°C	33°C / 30°C	21days (197 mm) Wet	10.2h Excellent	81% Humid	9 Very High	Wet	View Details
April	28°C / 27°C	33°C / 30°C	20days (171 mm) Wet	10.2h Excellent	80% Humid	8.5 Very High	Wet	View Details
May best	28°C / 27°C	32°C / 30°C	18days (130 mm) Wet	10.1h Excellent	81% Humid	7.3 Very High	Wet	View Details
June best	27°C / 26°C	30°C / 28°C	18days (159 mm) Wet	10h Excellent	82% Humid	7.1 Very High	Wet	View Details
July best	27°C / 26°C	29°C / 27°C	18days (173 mm) Wet	9.4h Good	82% Humid	7.4 Very High	Wet	View Details
August best	27°C / 25°C	28°C / 26°C	17days (164 mm) Wet	9.7h Good	82% Humid	7.6 Very High	Good	View Details
September best	27°C / 26°C	30°C / 27°C	20days (212 mm) Wet	10h Excellent	82% Humid	8.5 Very High	Wet	View Details
October	27°C / 26°C	31°C / 28°C	20days (205 mm) Wet	10.3h Excellent	81% Humid	8.6 Very High	Wet	View Details
November	28°C / 26°C	32°C / 29°C	19days (194 mm) Wet	10.5h Excellent	80% Humid	8.9 Very High	Wet	View Details
December	28°C / 26°C	32°C / 29°C	25days (326 mm) Wet	10.1h Excellent	82% Humid	8.9 Very High	Wet	View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaWaterproof jacketWaterproof shoesBreathable clothingSunscreen (SPF 30+)Sun hatSunglasses

Frequently Asked Questions

Expand all

Is August a good time to visit Downtown?

August is typically good for visiting Downtown, with average highs of 27°C (80°F) and around 17 rainy days. Downtown, British Indian Ocean Territory in August has warm conditions, with highs averaging 26.5°C (80°F). Rain falls o

Does it rain a lot in Downtown in August?

Downtown typically sees around 17 rainy days in August with 164 mm (6.5 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Downtown in August?

Nights stay pleasantly warm in Downtown during August, around 25°C (78°F). Light evening wear is sufficient.

What should I pack for Downtown in August?

With highs of 27°C (80°F) and lows of 25°C (78°F) in August, we recommend: Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). Comfortable walking shoes are essential.

Is August among the best months weather-wise in Downtown?

Yes, August offers some of the best weather conditions in Downtown with comfortable temperatures and lower chances of rain.

What is the UV index in Downtown in August?

The average UV index in Downtown during August is 8 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.

How many hours of daylight are there in Downtown in August?

Downtown gets approximately 12 hours of daylight per day in August, with around 10 hours of sunshine.

Does it snow in Downtown in August?

Snow is uncommon in Downtown during August based on 10-year climate averages.

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