Port Moresby Weather in January
What's the weather like in Port Moresby (National Capital District) in January 2025?
The climate in Port Moresby during January can be summarized as hot, humid and very wet.
January is in the summer in Port Moresby and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 31°C 87.8°F |
|---|---|
| Nightly temperature | 23°C 73.4°F |
| Average temperature | 27°C 80.6°F |
| Daily sunshine | 6.3 hrs |
| Avg rainfall | 231 mm 9.1 ins |
| Rainy days | 19 days |
| Sea temperature | 29.3°C 84.7°F |
| Humidity | 80% |
| Windspeed | 12.2kph 8 mph |
On average January is the 2nd wettest month of the year in Port Moresby with around 231mm 9.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.3 hours of sunshine per day.
January temperatures in Port Moresby
January rainfall
January hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Port Moresby in January 2024.
Other monthly averages
Best places to visit in January
Port Moresby weather stats
| Hottest month: | December | 31.3°C 88.3°F |
|---|---|---|
| Driest month: | July | 40mm 1.6ins |
| Sunniest month: | October | 7.6hrs |
| Coldest month: | July | 28.6°C 83.5°F |
| Wettest month: | March | 248mm 9.8ins |
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