Port Moresby weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Fair
Best time to visit: June – August
What is the weather like in Port Moresby in March?
In March, Port Moresby is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 29.4 °C – almost as warm as a bath. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 349 mm. On about 7 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a so-so month for a holiday in Port Moresby.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 40 | 42 | 44 |
| Day | 30° | 29° | 29° |
| Night | 23° | 23° | 23° |
| Sea | 30° | 29° | 29° |
| Sun | 5 h | 4 h | 5 h |
| Rain days | 21 | 26 | 24 |
More details for March
- Daylight
- 12 h 10 min06:16 – 18:26
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 92 %on averageAll months
- Hot days
- 7 days30 °C or moreAll months
- Time zone
- UTC+10Pacific/Port_Moresby
How the score comes together
- Temperatureweight 50 %75 %
- Sunshineweight 20 %23 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in March
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Port Moresby in March: quick answers
Is Port Moresby hot in March?
Yes. In March, Port Moresby is hot: daytime highs average 29 °C and nights stay around 23 °C. On about 7 days the thermometer climbs to 30 °C or more.
Can you swim in Port Moresby in March?
Yes. In March the sea averages 29.4 °C – almost as warm as a bath.
Does it rain much in Port Moresby in March?
It rains often – on about 26 days, adding up to 349 mm.
Port Moresby month by month
The whole year in Port MoresbyAll destinations: Papua New GuineaWhere to go in MarchSea temperature in March
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences