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 | 32 | 35 | 34 | 35 | 38 | 37 | 38 | 33 | 33 | 34 | 32 | 32 | 38 |
| Average high, °C | 30 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 30 |
| Average temperature, °C | 19 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 20 |
| Average low, °C | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 14 |
| Record low, °C | 18 | 18 | 21 | 20 | 20 | 21 | 21 | 21 | 19 | 19 | 19 | 19 | 18 |
| Thunderstorms, days | 1 | 3 | 6 | 9 | 10 | 9 | 9 | 5 | 2 | 1 | 1 | 1 | 57 |
| Average precipitation, mm. | 130 | 186 | 183 | 218 | 230 | 214 | 237 | 187 | 140 | 88 | 99 | 101 | 2012 |
| Relative humidity, % | 77 | 75 | 75 | 76 | 78 | 79 | 79 | 79 | 81 | 80 | 81 | 79 | 78 |
| Relative humidity morning, % | 95 | 94 | 93 | 91 | 89 | 88 | 89 | 93 | 95 | 95 | 96 | 95 | 93 |
| Relative humidity evening, % | 73 | 70 | 69 | 70 | 70 | 69 | 70 | 71 | 72 | 74 | 76 | 75 | 72 |
| Wind speed, km/h | 17 | 15 | 13 | 12 | 12 | 12 | 13 | 15 | 16 | 16 | 17 | 16 | 14 |
| Day Length, часов | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
| Dew point, °C | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 190 |
| Growing degree-day, °C | 273 | 304 | 309 | 329 | 332 | 300 | 319 | 297 | 298 | 264 | 264 | 264 | 3551 |
| Solar radiation, global, Mj/m2 | 16 | 17 | 18 | 17 | 17 | 17 | 17 | 16 | 15 | 14 | 13 | 14 | 16 |