Port Moresby weather in July
July in Port Moresby: hot, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Port Moresby · #380 of 604 destinations to visit in July · comfort 73/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Port Moresby climate normals — July
| Daytime high | 29°C / 84°F | 🥵 hot |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 52 mm / 2.1 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 11.6 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Port Moresby?
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Port Moresby in July — FAQ
- Is July a good time to visit Port Moresby?
- July in Port Moresby: hot, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Port Moresby on SeasonMap's comfort score (73/100).
- What is the weather like in Port Moresby in July?
- In July, Port Moresby averages a daily high of 28.9°C and a low of 23.3°C, with about 52.2 mm of rain over roughly 9 rainy days.
- What is the air quality in Port Moresby in July?
- Port Moresby has a mean US Air Quality Index of about 38 in July.