Port Moresby, National Capital, Papua New Guinea climate
Average temperatures, precipitation and all-time records for Port Moresby, National Capital, Papua New Guinea, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is January, averaging a high of 30°C, and its coldest is August, with an average low of 22°C.
Port Moresby, also referred to as Pom City or simply Moresby, is the capital and largest city of Papua New Guinea. It is one of the largest cities in the southwestern Pacific outside of Australia and New Zealand. via Wikipedia
Port Moresby average temperatures by month
Typical daily high and low, and average precipitation, for each month in Port Moresby, National Capital, Papua New Guinea, based on 1980–2026 records. The wettest month is March (10 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 30°C | 24°C | 8 mm |
| February | 29°C | 24°C | 8 mm |
| March | 29°C | 24°C | 10 mm |
| April | 29°C | 24°C | 5 mm |
| May | 29°C | 24°C | 3 mm |
| June | 28°C | 23°C | 3 mm |
| July | 28°C | 23°C | 0 mm |
| August | 28°C | 22°C | 0 mm |
| September | 28°C | 23°C | 3 mm |
| October | 29°C | 23°C | 3 mm |
| November | 29°C | 24°C | 5 mm |
| December | 30°C | 24°C | 5 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 33°C on 2018-12-13
- Coldest day on record: 18°C on 2004-08-12
Percentiles compare each day to Port Moresby, National Capital, Papua New Guinea's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →