Port Moresby
Papua New Guinea
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 35 | 36 | 35 | 33 | 35 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 36 |
| Average high, °C | 31 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 30 | 31 | 30 | 30 | 31 |
| Average temperature, °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Average low, °C | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 |
| Record low, °C | 19 | 19 | 20 | 20 | 20 | 21 | 20 | 20 | 20 | 19 | 20 | 19 | 19 |
| Fog, days | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 1 | 1 | 15 |
| Thunderstorms, days | 6 | 9 | 11 | 10 | 7 | 5 | 7 | 8 | 6 | 4 | 4 | 4 | 81 |
| Average precipitation, mm. | 166 | 164 | 163 | 261 | 250 | 244 | 295 | 221 | 152 | 173 | 221 | 208 | 2517 |
| Relative humidity, % | 80 | 80 | 80 | 80 | 81 | 82 | 82 | 82 | 83 | 82 | 83 | 81 | 81 |
| Relative humidity morning, % | 90 | 91 | 93 | 96 | 95 | 95 | 95 | 95 | 93 | 91 | 90 | 90 | 93 |
| Relative humidity evening, % | 69 | 70 | 73 | 76 | 75 | 73 | 75 | 75 | 72 | 71 | 72 | 70 | 73 |
| Wind speed, km/h | 9 | 9 | 8 | 7 | 8 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 8 |
| Day Length, часов | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
| Dew point, °C | 23 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 281 |
| Growing degree-day, °C | 513 | 533 | 513 | 521 | 521 | 475 | 521 | 507 | 527 | 507 | 515 | 521 | 6173 |
| Solar radiation, global, Mj/m2 | 22 | 22 | 21 | 19 | 20 | 19 | 20 | 20 | 19 | 18 | 18 | 20 | 20 |