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Papua New Guinea, Papua New Guinea · Equatorial tropical

Papua New Guinea: best months to visit

September (4.7/10) · August (4.0/10).

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 6.31°S · 147.18°E
⚡ Quick answer
September
Depends on your goals
4.7/10
☀️ Sep
Top score (4.7/10)
🌤️ Jan
Alt. (4.6/10)
Aug
Plus rude (4.0/10)
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo par Jelilah Kum via Unsplash
Decide

When to visit Papua New Guinea?

The decision rests on several criteria. Climate score, tourist crowds and feasible activities.

Verdict: In Papua New Guinea, September and January clearly stand out. August concentrates the least favorable conditions.
Top & avoid
🏆 September · 4.7 January · 4.6 May · 4.6 June · 4.6 ⚠️ August · 4.0
4.6
Jan
4.4
Feb
4.3
Mar
4.4
Apr
4.6
May
4.6
Jun
4.0
Jul
4.0
Aug
4.7
Sep
4.4
Oct
4.6
Nov
4.4
Dec
Best period · ≥ 7 Decent period · 4 – 7 Tough conditions · < 4

What you grasp in 5 seconds

Papua New Guinea offers 0 comfortable months, without any month really to avoid. The gap stays moderate: 4.7 in September vs 4.0 in August.

What to check next

Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.

Next action

Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.

How we calculate the score

The score combines 4 weighted criteria using 10 years of real climate data (ERA5).

Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →

Understand

Compare all 12 months

Month-by-month details: temperature, rain, sunshine, score and verdict.

✅ 0 comfortable months ()
MonthT° minT° maxRain %mm/daySunScoreVerdict
🌥️ January →46°F59°F62%12.8mm3.6h4.6/10Decent period
🌥️ February →46°F59°F69%13.4mm3.4h4.4/10Decent period
🌥️ March →46°F59°F72%14.9mm3.4h4.3/10Decent period
🌥️ April →46°F57°F67%14.4mm3.3h4.4/10Decent period
🌥️ May →46°F57°F57%11.5mm4.2h4.6/10Decent period
🌥️ June →46°F57°F55%9.4mm4.3h4.6/10Decent period
🌥️ July →45°F57°F51%10.0mm4.2h4.0/10Decent period
🌥️ August →45°F57°F54%9.2mm4.2h4.0/10Decent period
🌥️ September →45°F57°F55%13.0mm4.2h4.7/10Decent period
🌥️ October →45°F57°F62%12.8mm4.1h4.4/10Decent period
🌥️ November →46°F59°F60%11.3mm4.0h4.6/10Decent period
🌥️ December →46°F59°F67%14.7mm3.6h4.4/10Decent period
📊 Quick read
Optimal window
No month > 7
Good transition
—
Tough period
none
🌡️ Detailed conditions (September)
🌡️ Feel
Cool
☀️ UV
7.4 · Moderate-Strong
💧 Humidity feel
48°F · Dry
☔ Rain
55% · 13.0 mm/day
🌅 Sunshine
4.2h/day
10-year trend

Annual temperatures — Papua New Guinea

Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.

Annual data unavailable for this destination.
Tailor

For your trip

A few angles depending on what kind of trip you are planning.

🌞 Dry season🏖️ Beaches🌊 Surf
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Papua New Guinea

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.

Country · Papua New Guinea

🗣️LanguageEnglish
💶CurrencyKina papouan (K)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5

🌡️ Climate

🌍Climate typeEquatorial tropical
📈Climate trend ⓘStable
🔥Hottest monthJanuary · 59°F
❄️Coolest monthApril · 57°F
🌧️Rainiest month ⓘMarch · 72%

🏝️ Tropical stay

🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘNone (equator)
Explore

Related destinations & guides

If this destination doesn't fit your dates, here are alternatives and guides.

Location

Where is Papua New Guinea ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Equatorial tropical climate with a 4.7 → 4.0 gap between best and worst month. 10 years of ERA5 data to choose by project.
6.31°S · 147.18°E
Questions

Frequently asked questions

What is the best time to visit Papua New Guinea?
January is the best month with 59°F highs, 46°F lows, 3.6h of sunshine and 62.0% rainy days.
How many hours of sunshine does Papua New Guinea get in January?
Papua New Guinea averages 3.6 sunshine hours per day in January. It is the sunniest month with a climate score of 4.6/10.
What is the rainiest month in Papua New Guinea?
July is the most unfavourable month with July has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Papua New Guinea in January?
In January, overnight lows reach 46°F, while afternoon highs average 59°F.
Is Papua New Guinea good in winter?
In winter (December-February), Papua New Guinea scores 4.5/10 on average — Difficult period — prefer the peak season.. The best month overall remains January with a score of 4.6/10.
When should you avoid Papua New Guinea?
July is the most difficult month to visit Papua New Guinea, with July has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.