Vanimo, Papua New Guinea — Weather in August 2026

Climate Overview

Vanimo, Papua New Guinea in August has hot conditions, with highs reaching 28.7°C (84°F) and afternoons the warmest part of the day. Rain falls on about 26 days this month, totalling around 228 mm. Sea temperature reaches 29.5°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 228 mm across the month.

The warmest days tend to fall around the 1th, averaging 29°C (84°F).

Monthly August Averages

Temperature

29°C / 25°C

Feels Like

35°C / 30°C

Rain

26 days · 228 mm

Sunshine

9.2h / day

Humidity

88% — Very Muggy

Wind

9 km/h

Wind Direction

ESE (107°)

Gusts

27 km/h

Daylight

12 h

Cloud Cover

75%

Clear Sky Days

0.1

UV Index

7.9 — Very High

Sea Temperature

30°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 06:39

Daylight 12h

Sunset 18:40

What to Expect

Daytime temperatures around 29°C (84°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 / 25°C	36°C / 31°C	29days (323 mm) Wet	9.2h Good	88% Very Muggy	7.9 Very High	Wet	View Details
February	29°C / 25°C	36°C / 30°C	27days (330 mm) Wet	8.4h Good	88% Very Muggy	8 Very High	Wet	View Details
March	29°C / 25°C	36°C / 30°C	29days (370 mm) Wet	8.4h Good	89% Very Muggy	8 Very High	Wet	View Details
April	29°C / 25°C	36°C / 31°C	28days (358 mm) Wet	8.6h Good	89% Very Muggy	8 Very High	Wet	View Details
May	29°C / 25°C	36°C / 31°C	29days (271 mm) Wet	9.4h Good	89% Very Muggy	7.1 Very High	Wet	View Details
June	29°C / 25°C	35°C / 30°C	27days (246 mm) Wet	8.9h Good	90% Very Muggy	7.2 Very High	Wet	View Details
July	29°C / 25°C	35°C / 30°C	27days (280 mm) Wet	8.2h Good	90% Very Muggy	7.1 Very High	Wet	View Details
August	29°C / 25°C	35°C / 30°C	26days (228 mm) Wet	9.2h Good	88% Very Muggy	7.9 Very High	Wet	View Details
September	29°C / 25°C	36°C / 30°C	24days (224 mm) Wet	9.4h Good	88% Very Muggy	8.4 Very High	Wet	View Details
October	29°C / 25°C	36°C / 30°C	28days (262 mm) Wet	9.3h Good	88% Very Muggy	8.2 Very High	Wet	View Details
November	30°C / 25°C	37°C / 31°C	28days (325 mm) Wet	8.9h Good	88% Very Muggy	8.2 Very High	Wet	View Details
December	29°C / 25°C	36°C / 31°C	30days (379 mm) Wet	8.1h Good	89% Very Muggy	7.4 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 Vanimo?

August is typically wet for visiting Vanimo, with average highs of 29°C (84°F) and around 26 rainy days. Vanimo, Papua New Guinea in August has hot conditions, with highs reaching 28.7°C (84°F) and afternoons the warmest part

Does it rain a lot in Vanimo in August?

Vanimo typically sees around 26 rainy days in August with 228 mm (9 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Vanimo in August?

Nights stay pleasantly warm in Vanimo during August, around 25°C (76°F). Light evening wear is sufficient.

What should I pack for Vanimo in August?

With highs of 29°C (84°F) and lows of 25°C (76°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 Vanimo?

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

What is the UV index in Vanimo in August?

The average UV index in Vanimo 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 Vanimo in August?

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

Does it snow in Vanimo in August?

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

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