August · Papua New Guinea
Best time to visit Rabaul in August Weather, crowds & prices
Weather in Rabaul in August
Average temperature 27°C, 132 mm of rain, about 29 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
5.1/10
Ranked #2 of 12 months
- Avg temp
- 27°C
- Rainfall
- 132 mm
- Humidity
- 81%
- Days with 6h+ sun
- 29
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Rabaul scores 5.1/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 27°C, 132 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
Rabaul is an East New Britain harbor town surrounded by volcanic peaks, ash-covered WWII history, hot springs, and access to exceptional diving.
August in Rabaul — workable with trade-offs
Days in August average 27°C (80°F) and humidity near 81% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
132 mm of rain makes this a wet month here, though with about 29 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 5.1/10 on the same scale — 2nd of 12 months, versus 5.3/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Rabaul in August?
- In August, Rabaul averages 27°C, 132 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 5.1/10.
- Is August a good time to visit Rabaul?
- August earns a 5.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Rabaul in August?
- Expect about 132 mm of rain in August. Average humidity is 81% and there are about 29 days with 6+ hours of sunshine.
Curated in Rabaul
Tickets & experiences
Things to do in Rabaul
Rabaul, Papua New Guinea. Live activities and tours from GetYourGuide, matched to this destination.