Honiara, Solomon Islands — Weather in August 2026

Climate Overview

Honiara, Solomon Islands in August has hot conditions, with highs reaching 28.6°C (83°F) and afternoons the warmest part of the day. Rain falls on about 27 days this month, totalling around 237 mm. Sea temperature reaches 29.3°C (85°F).

This month falls at the end of Winter.

Temperatures remain fairly steady throughout August, with daily highs around 29°C (84°F).

August sees fairly even rainfall, totalling about 235 mm across the month.

The warmest days tend to fall around the 29th, averaging 28.9°C (84°F).

Compared to July, this month is about 0°C cooler with 3 more rainy days.

Monthly August Averages

Temperature

29°C / 25°C

Feels Like

34°C / 30°C

Rain

27 days · 237 mm

Sunshine

9.1h / day

Humidity

87% — Very Muggy

Wind

16 km/h

Wind Direction

E (101°)

Gusts

35 km/h

Daylight

11.8 h

Cloud Cover

76%

Clear Sky Days

UV Index

7.3 — Very High

Sea Temperature

29°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 06:31

Daylight 11.8h

Sunset 18:19

What to Expect

Daytime temperatures around 29°C (83°F) are ideal for full-day outdoor exploration. 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 / 26°C	36°C / 31°C	28days (434 mm) Wet	8.7h Good	89% Very Muggy	7.9 Very High	Wet	View Details
February	29°C / 26°C	36°C / 31°C	27days (418 mm) Wet	7.8h Good	90% Very Muggy	8.5 Very High	Wet	View Details
March	29°C / 25°C	36°C / 31°C	28days (408 mm) Wet	8.1h Good	90% Very Muggy	8.8 Very High	Wet	View Details
April	29°C / 25°C	36°C / 31°C	27days (362 mm) Wet	8.4h Good	90% Very Muggy	7.8 Very High	Wet	View Details
May	29°C / 26°C	35°C / 31°C	28days (284 mm) Wet	8.9h Good	89% Very Muggy	6.9 High	Wet	View Details
June	29°C / 26°C	34°C / 30°C	25days (195 mm) Wet	9h Good	88% Very Muggy	6.7 High	Wet	View Details
July best	29°C / 26°C	34°C / 30°C	24days (230 mm) Wet	9.3h Good	87% Very Muggy	6.7 High	Wet	View Details
August best	29°C / 25°C	34°C / 30°C	27days (237 mm) Wet	9.1h Good	87% Very Muggy	7.3 Very High	Wet	View Details
September	29°C / 26°C	35°C / 30°C	26days (259 mm) Wet	9.5h Good	87% Very Muggy	8.4 Very High	Wet	View Details
October	29°C / 25°C	36°C / 30°C	27days (285 mm) Wet	9.9h Good	88% Very Muggy	8.7 Very High	Wet	View Details
November	29°C / 25°C	36°C / 31°C	29days (378 mm) Wet	9.5h Good	89% Very Muggy	8.8 Very High	Wet	View Details
December	29°C / 25°C	36°C / 31°C	29days (451 mm) Wet	8.8h Good	90% Very Muggy	8 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 Honiara?

August is typically wet for visiting Honiara, with average highs of 29°C (83°F) and around 27 rainy days. Honiara, Solomon Islands in August has hot conditions, with highs reaching 28.6°C (83°F) and afternoons the warmest part

Does it rain a lot in Honiara in August?

Honiara typically sees around 27 rainy days in August with 237 mm (9.3 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Honiara in August?

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

What should I pack for Honiara in August?

With highs of 29°C (83°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 Honiara?

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

What is the UV index in Honiara in August?

The average UV index in Honiara during August is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

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

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

Does it snow in Honiara in August?

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

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