Port Moresby weather in October
October in Port Moresby: sweltering, rainy, with clean air — a good time to visit.
#5 of 12 months in Port Moresby · #446 of 604 destinations to visit in October · comfort 67/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Port Moresby climate normals — October
| Daytime high | 30°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 125 mm / 4.9 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 12.3 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Port Moresby in October — FAQ
- Is October a good time to visit Port Moresby?
- October in Port Moresby: sweltering, rainy, with clean air — a good time to visit. It ranks #5 of 12 months for Port Moresby on SeasonMap's comfort score (67/100).
- What is the weather like in Port Moresby in October?
- In October, Port Moresby averages a daily high of 30.4°C and a low of 23.8°C, with about 124.8 mm of rain over roughly 15.8 rainy days.
- What is the air quality in Port Moresby in October?
- Port Moresby has a mean US Air Quality Index of about 32 in October.