Climate guide for Rabaul, Papua New Guinea

Rabaul in January

Weather, crowds & best time to visit

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January · Papua New Guinea

Best time to visit Rabaul in January Weather, crowds & prices

Weather in Rabaul in January

Average temperature 27°C, 234 mm of rain, about 28 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

4.1/10

Ranked #7 of 12 months

Full year for Rabaul
Avg temp
27°C
Rainfall
234 mm
Humidity
83%
Days with 6h+ sun
28
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

January in Rabaul scores 4.1/10 for sightseeing and cultural travel - ranked #7 of 12. Expect around 27°C, 234 mm of rain, and roughly 28 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.

January in Rabaul — the hardest end of the year

January averages 27°C (81°F) and humidity near 83%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

234 mm makes this the wettest stretch of the year, though about 28 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.

It scores 4.1/10 here, 7th of 12 months, against 5.3/10 in the destination's best month.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

Plan for low-season pricing, with crowds are light for this destination.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Rabaul in January?
In January, Rabaul averages 27°C, 234 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 4.1/10.
Is January a good time to visit Rabaul?
January earns a 4.1/10 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 January?
Expect about 234 mm of rain in January. Average humidity is 83% and there are about 28 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.