Port-au-Prince
Haiti
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 37 | 40 | 33 | 33 | 36 | 37 | 37 | 36 | 38 | 38 | 40 | 37 | 40 |
| Average high, °C | 32 | 31 | 31 | 30 | 30 | 30 | 31 | 31 | 31 | 32 | 33 | 33 | 31 |
| Average temperature, °C | 28 | 27 | 26 | 25 | 24 | 25 | 25 | 26 | 27 | 28 | 28 | 28 | 26 |
| Average low, °C | 26 | 26 | 25 | 24 | 23 | 23 | 25 | 25 | 25 | 26 | 27 | 26 | 25 |
| Record low, °C | 21 | 16 | 20 | 16 | 16 | 17 | 20 | 20 | 16 | 17 | 20 | 20 | 16 |
| Fog, days | 7 | 7 | 6 | 5 | 5 | 5 | 6 | 9 | 7 | 6 | 4 | 5 | 72 |
| Thunderstorms, days | 4 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 3 | 4 | 21 |
| Average precipitation, mm. | 155 | 146 | 81 | 34 | 30 | 40 | 62 | 136 | 192 | 116 | 109 | 145 | 1247 |
| Relative humidity, % | 73 | 75 | 73 | 67 | 65 | 65 | 65 | 68 | 73 | 70 | 63 | 69 | 69 |
| Relative humidity morning, % | 71 | 73 | 71 | 71 | 72 | 70 | 71 | 72 | 71 | 69 | 67 | 69 | 71 |
| Relative humidity evening, % | 58 | 60 | 59 | 57 | 55 | 56 | 57 | 58 | 58 | 56 | 55 | 56 | 57 |
| Wind speed, km/h | 10 | 9 | 9 | 10 | 10 | 10 | 13 | 12 | 11 | 11 | 12 | 12 | 11 |
| Day Length, часов | 13 | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
| Dew point, °C | 22 | 22 | 21 | 18 | 17 | 18 | 18 | 20 | 22 | 22 | 20 | 22 | 241 |
| Growing degree-day, °C | 528 | 530 | 480 | 459 | 443 | 413 | 474 | 480 | 518 | 525 | 552 | 552 | 5953 |
| Solar radiation, global, Mj/m2 | 22 | 19 | 17 | 16 | 17 | 19 | 22 | 23 | 23 | 25 | 25 | 24 | 21 |