Port Moresby Weather in March
What's the weather like in Port Moresby (National Capital District) in March 2025?
The climate in Port Moresby during March can be summarized as hot, humid and very wet.
March is in the fall / autumn in Port Moresby and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 30.5°C 86.9°F |
|---|---|
| Nightly temperature | 22.9°C 73.2°F |
| Average temperature | 26.7°C 80.1°F |
| Daily sunshine | 5.9 hrs |
| Avg rainfall | 248 mm 9.8 ins |
| Rainy days | 19 days |
| Sea temperature | 29.2°C 84.5°F |
| Humidity | 82% |
| Windspeed | 13kph 8 mph |
On average March is the wettest month of the year in Port Moresby with around 248mm 9.8 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 5.9 hours of sunshine per day.
March temperatures in Port Moresby
March rainfall
March 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 March 2025.
Other monthly averages
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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