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When to Visit Port Moresby

Climate guide & best times to travel

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Monthly Climate Data for Port Moresby Average temperature and rainfall by month Climate Overview 17°C 22°C 27°C 32°C 37°C Jan Jan: 32.0°C high, 23.0°C low Feb Feb: 31.0°C high, 23.0°C low Mar Mar: 31.0°C high, 23.0°C low Apr Apr: 31.0°C high, 23.0°C low May May: 31.0°C high, 23.0°C low Jun Jun: 30.0°C high, 23.0°C low Jul Jul: 29.0°C high, 22.0°C low Aug Aug: 30.0°C high, 22.0°C low Sep Sep: 31.0°C high, 23.0°C low Oct Oct: 32.0°C high, 23.0°C low Nov Nov: 32.0°C high, 23.0°C low Dec Dec: 32.0°C high, 23.0°C low Temperature
Port Moresby sits just south of the equator, which means you're looking at consistently warm temperatures year-round—there's really no such thing as winter here. The city actually has a surprisingly dry climate for a tropical capital, thanks to its location in the rain shadow of the Owen Stanley Range. You'll notice temperatures hover in a fairly narrow band, from the mid-80s°F (around 29-30°C) in the cooler months of June-August to around 90°F (32°C) during the warmer months of November through February. The humidity stays pretty constant at 70%, which is noticeable but not as oppressive as some other tropical destinations. While the rainfall data provided shows minimal precipitation, it's worth noting that Port Moresby typically experiences its drier period from May through October, with the wetter season running from December through March. The city gets significantly less rain than most of Papua New Guinea—we're talking one of the driest capitals in the Pacific region. That said, even during the wet season, you're more likely to see brief afternoon downpours rather than days of continuous rain. The most comfortable months tend to be June through September when temperatures dip slightly and the air feels a bit fresher.

Best Time to Visit

Beach & Relaxation
June through September offers the most comfortable beach weather, with slightly cooler temperatures and lower chances of afternoon storms interrupting your seaside plans.
Cultural Exploration
May through October is ideal for exploring markets and attending cultural festivals, as the drier conditions make getting around easier and outdoor events are less likely to be affected by rain.
Adventure & Hiking
The cooler, drier months of June through August are your best bet for hiking and outdoor adventures, with more comfortable temperatures and better trail conditions.
Budget Travel
January through March typically sees fewer tourists despite being the warmer months, which can mean better deals on accommodations, though you might encounter occasional rain showers.

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What to Pack

Year-Round Essentials

High SPF sunscreen
The equatorial sun is intense year-round, and you'll burn faster than you might expect even on cloudy days.
Insect repellent with DEET
Mosquitoes are present throughout the year, and dengue and malaria are concerns in Papua New Guinea.
Lightweight rain jacket or compact umbrella
Even during the dry season, brief afternoon showers can pop up unexpectedly.
Reusable water bottle
Staying hydrated in the heat and humidity is crucial, and tap water isn't safe to drink so you'll want to refill with bottled or filtered water.
Breathable, quick-dry clothing
The humidity means clothes take forever to dry, so synthetic or merino fabrics are your friends.
Wide-brimmed hat or cap
Essential protection from the strong tropical sun, especially if you're spending time outdoors.
Prescription medications and basic first aid
Medical facilities in Port Moresby are limited, so bring anything you might need from home.

Wet Season (Dec-Mar)

Clothing
Light cotton or linen shirts, Quick-dry shorts and pants, Swimwear for beach days between showers
Footwear
Waterproof sandals or shoes that can handle getting wet, plus closed-toe walking shoes
Accessories
Waterproof bag or dry sack for electronics, Sunglasses with UV protection
Layering Tip
Layering isn't really necessary—one light layer is plenty, though you might want a breathable long-sleeve shirt for sun protection.

Transitional (Apr-May)

Clothing
Lightweight breathable shirts, Comfortable walking shorts, One pair of long pants for evenings
Footwear
Comfortable walking sandals and closed-toe shoes for hiking or exploring
Accessories
Light scarf or bandana for sun protection, Small daypack for excursions
Layering Tip
The temperature doesn't vary much, so you're looking at single-layer dressing with maybe a light shirt for air-conditioned spaces.

Dry Season (Jun-Sep)

Clothing
T-shirts and tank tops, Shorts and lightweight pants, Light long-sleeve shirts for sun protection
Footwear
Sturdy sandals for daily wear and hiking shoes if you're planning treks
Accessories
Polarized sunglasses, Buff or neck gaiter for dusty conditions
Layering Tip
Still minimal layering needed—mornings might feel slightly cooler but you won't need anything more than a light shirt.

Warming Period (Oct-Nov)

Clothing
Moisture-wicking shirts, Lightweight shorts and skirts, Breathable fabrics that handle humidity
Footwear
Ventilated walking shoes and waterproof sandals as showers increase
Accessories
Compact umbrella, Sweat-wicking headband or hat
Layering Tip
Keep it simple with single layers—the increasing humidity means you'll want as little fabric as possible.
Plug Type
Type I (Australian-style three-pin)
Voltage
240V, 50Hz
Adapter Note
Most travelers will need an adapter unless coming from Australia, New Zealand, or China; North American and European devices require both an adapter and should check if their devices support 240V

Skip These Items

Heavy jackets or sweaters—you genuinely won't need them in this climate Excessive amounts of toiletries—basics are available locally, though international brands might be pricier Too many shoes—two or three pairs max will cover all your needs Hair dryer or styling tools—the humidity will undo your efforts within minutes of stepping outside Heavy jeans or thick fabrics—they'll be unbearably hot and take days to dry if they get wet

Month-by-Month Guide

January

January sits firmly in Port Moresby's warmer season, with temperatures reaching around 32°C (89°F). The humidity is noticeable but manageable, and you'll likely encounter some afternoon showers. It's actually one of the quieter months for tourism, which has its advantages if you prefer fewer crowds.

32°C (89°F) High
23°C (74°F) Low
0.0mm (0.0in) Rainfall
Low Crowds
View Details →

February

February continues the warm pattern with temperatures hovering around 31°C (88°F). The weather stays pretty consistent with January—warm days, humid conditions, and the possibility of afternoon rain. It's still relatively quiet in terms of visitor numbers.

31°C (88°F) High
23°C (74°F) Low
0.0mm (0.0in) Rainfall
Low Crowds
View Details →

March

March marks the tail end of the wetter season, though Port Moresby remains drier than most of PNG. Temperatures stay around 31°C (88°F), and you'll notice the city starting to transition toward the more comfortable dry season months ahead.

31°C (88°F) High
23°C (74°F) Low
0.0mm (0.0in) Rainfall
Low Crowds
View Details →

April

April brings a subtle shift as the dry season approaches. Temperatures remain steady at 31°C (88°F), but you'll likely notice slightly less humidity in the air. It's a decent time to visit before the peak tourist months kick in.

31°C (88°F) High
23°C (74°F) Low
0.0mm (0.0in) Rainfall
Medium Crowds
View Details →

May

May is when things start getting really pleasant—temperatures drop slightly to 31°C (87°F) and the dry season is establishing itself. The air feels fresher, and it's an excellent time for outdoor activities before the peak tourist season arrives.

31°C (87°F) High
23°C (74°F) Low
0.0mm (0.0in) Rainfall
Medium Crowds
View Details →

June

June is one of the most comfortable months in Port Moresby, with temperatures settling around 30°C (86°F). The dry season is in full swing, making it ideal for pretty much any activity. You'll notice more visitors starting to arrive as word gets out about the pleasant conditions.

30°C (86°F) High
23°C (73°F) Low
0.0mm (0.0in) Rainfall
Medium Crowds
View Details →

July

July brings the coolest temperatures you'll see all year—around 29°C (85°F)—which in Port Moresby terms feels genuinely refreshing. It's peak season for good reason, with clear skies and comfortable conditions perfect for exploring everything the city has to offer.

29°C (85°F) High
22°C (72°F) Low
0.0mm (0.0in) Rainfall
High Crowds
View Details →

August

August continues July's pleasant pattern with temperatures around 30°C (86°F). The dry season is still going strong, and this remains one of the most popular months for visitors. Mornings can actually feel quite nice, with lows around 22°C (72°F).

30°C (86°F) High
22°C (72°F) Low
0.0mm (0.0in) Rainfall
High Crowds
View Details →

September

September sees temperatures starting to tick upward again to 31°C (87°F), though conditions remain quite comfortable. The dry season is still holding, making it a solid choice if you want good weather with slightly fewer crowds than July-August.

31°C (87°F) High
23°C (73°F) Low
0.0mm (0.0in) Rainfall
Medium Crowds
View Details →

October

October brings warmer temperatures back into the picture at 32°C (89°F). The dry season is winding down, and you might catch the occasional shower as the weather pattern shifts. It's still a decent time to visit, with moderate tourist numbers.

32°C (89°F) High
23°C (74°F) Low
0.0mm (0.0in) Rainfall
Medium Crowds
View Details →

November

November sees temperatures climbing to around 32°C (90°F) as the warmer season establishes itself. The humidity becomes more noticeable, and afternoon storms start making more frequent appearances. Tourist numbers tend to drop off a bit.

32°C (90°F) High
23°C (74°F) Low
0.0mm (0.0in) Rainfall
Low Crowds
View Details →

December

December is one of the warmest months at 32°C (90°F), with the wetter season in full swing. That said, Port Moresby still sees less rain than most of PNG. The holiday season brings some visitors, but it's generally quieter than mid-year.

32°C (90°F) High
23°C (74°F) Low
0.0mm (0.0in) Rainfall
Medium Crowds
View Details →

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Best times to travel for Port Moresby

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Trip costs and money tips for Port Moresby

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