Capital city in National Capital District, Papua New Guinea
Port Moresby weather by month and the best time to visit
When to go to Port Moresby
May–Oct is the drier season with the best conditions for hiking; Nov–Apr is hot, humid and wetter, with Kokoda in heavy rain.
Port Moresby weather by month
Average daily high, rainfall and conditions.
- Jan29°231 mm
- Feb29°186 mm
- Mar29°294 mm
- Apr29°147 mm
- May28°90 mm
- Jun28°69 mm
- Jul27°25 mm
- Aug27°35 mm
- Sep28°35 mm
- Oct28°44 mm
- Nov29°69 mm
- Dec30°112 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 29°C84°F | 27°C81°F | 231 mm | 81% | Rainy |
| February | 29°C84°F | 27°C80°F | 186 mm | 81% | Rainy |
| March | 29°C83°F | 27°C80°F | 294 mm | 82% | Rainy |
| April | 29°C84°F | 27°C80°F | 147 mm | 83% | Pleasant |
| May | 28°C83°F | 26°C79°F | 90 mm | 84% | Pleasant |
| June | 28°C82°F | 25°C78°F | 69 mm | 84% | Pleasant |
| July | 27°C81°F | 24°C76°F | 25 mm | 81% | Pleasant |
| August | 27°C81°F | 24°C76°F | 35 mm | 80% | Pleasant |
| September | 28°C82°F | 24°C76°F | 35 mm | 81% | Pleasant |
| October | 28°C83°F | 25°C78°F | 44 mm | 80% | Pleasant |
| November | 29°C84°F | 26°C79°F | 69 mm | 81% | Pleasant |
| December | 30°C85°F | 27°C81°F | 112 mm | 79% | Pleasant |
Quick answers
What is the best month to visit Port Moresby?
May–Oct. May–Oct is the drier season with the best conditions for hiking; Nov–Apr is hot, humid and wetter, with Kokoda in heavy rain.
When is the rainy season in Port Moresby?
Rain peaks in March with about 294 mm. Months with 150 mm or more: Jan–Mar.
What is the hottest month in Port Moresby?
December, with average highs of 30°C (85°F).
How cold does Port Moresby get?
The coolest nights are in August, averaging 24°C (76°F).
More about Port Moresby
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.