Mentiri, Brunei — Weather in August 2026

Climate Overview

Mentiri, Brunei in August has hot conditions, with highs reaching 30.5°C (87°F) and afternoons the warmest part of the day. Rain falls on about 22 days this month, totalling around 203 mm. Sea temperature reaches 31.2°C (88°F).

This month falls at the end of Summer. The combination of heat and frequent rain creates tropical monsoon conditions.

Temperatures remain fairly steady throughout August, with daily highs around 31°C (88°F).

August sees fairly even rainfall, totalling about 202 mm across the month.

The warmest days tend to fall around the 9th, averaging 31°C (88°F).

Compared to July, this month is about 0°C cooler with 2 more rainy days.

Monthly August Averages

Temperature

31°C / 25°C

Feels Like

37°C / 30°C

Rain

22 days · 203 mm

Sunshine

9.2h / day

Humidity

83% — Very Muggy

Wind

10 km/h

Wind Direction

SSW (197°)

Gusts

26 km/h

Daylight

12.3 h

Cloud Cover

87%

Clear Sky Days

UV Index

8.3 — Very High

Sea Temperature

31°C

Dew Point

25°C — Oppressive

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 06:16

Daylight 12.3h

Sunset 18:33

What to Expect

Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain most often builds later in the day, so mornings are typically the driest window and afternoon showers are more likely.

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	29°C / 24°C	36°C / 29°C	25days (225 mm) Wet	8.9h Good	86% Very Muggy	8 Very High	Wet	View Details
February best	29°C / 24°C	36°C / 29°C	20days (134 mm) Wet	9.4h Good	84% Humid	8.4 Very High	Wet	View Details
March	30°C / 25°C	37°C / 30°C	24days (198 mm) Wet	9.5h Good	84% Humid	8.8 Very High	Wet	View Details
April	31°C / 25°C	38°C / 30°C	25days (183 mm) Wet	9.7h Good	83% Humid	9 Very High	Wet	View Details
May	31°C / 25°C	38°C / 31°C	25days (224 mm) Wet	9.3h Good	84% Humid	8.2 Very High	Wet	View Details
June	30°C / 25°C	37°C / 30°C	20days (192 mm) Wet	9.1h Good	83% Humid	7.8 Very High	Wet	View Details
July	31°C / 25°C	37°C / 30°C	20days (167 mm) Wet	9.3h Good	83% Humid	7.8 Very High	Wet	View Details
August	31°C / 25°C	37°C / 30°C	22days (203 mm) Wet	9.2h Good	83% Humid	8.3 Very High	Wet	View Details
September	30°C / 25°C	37°C / 30°C	21days (214 mm) Wet	8.9h Good	83% Humid	8.6 Very High	Wet	View Details
October	30°C / 25°C	36°C / 29°C	27days (261 mm) Wet	8.8h Good	85% Humid	8 Very High	Wet	View Details
November	30°C / 25°C	36°C / 30°C	26days (267 mm) Wet	8.8h Good	86% Very Muggy	7.9 Very High	Wet	View Details
December	29°C / 24°C	35°C / 29°C	27days (270 mm) Wet	8.5h Good	87% Very Muggy	7.4 Very High	Wet	View Details

What to Wear

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool.

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

Packing List

UmbrellaWaterproof jacketWaterproof shoesBreathable clothingSunscreen (SPF 30+)Sun hatSunglasses

Frequently Asked Questions

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Is August a good time to visit Mentiri?

August is typically wet for visiting Mentiri, with average highs of 31°C (87°F) and around 22 rainy days. Mentiri, Brunei in August has hot conditions, with highs reaching 30.5°C (87°F) and afternoons the warmest part of the d

Does it rain a lot in Mentiri in August?

Mentiri typically sees around 22 rainy days in August with 203 mm (8 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Mentiri in August?

Nights stay pleasantly warm in Mentiri during August, around 25°C (77°F). Light evening wear is sufficient.

What should I pack for Mentiri in August?

With highs of 31°C (87°F) and lows of 25°C (77°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 Mentiri?

August is not the most favourable month weather-wise in Mentiri. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Mentiri in August?

The average UV index in Mentiri 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 Mentiri in August?

Mentiri gets approximately 12 hours of daylight per day in August, with around 9 hours of sunshine.

Does it snow in Mentiri in August?

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

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