Port-au-Prince is warmest in July, averaging 33° by day and 26° at night. The wettest month is November with 168 mm, and the year brings about 831 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 30° | 23° | 9 mm | 28° | 11.0 h | Beach weather |
| February | 31° | 23° | 25 mm | 28° | 11.4 h | Beach weather |
| March | 31° | 23° | 28 mm | 28° | 11.9 h | Beach weather |
| April | 31° | 24° | 39 mm | 28° | 12.4 h | Beach weather |
| May | 32° | 25° | 43 mm | 29° | 12.9 h | Beach weather |
| June | 32° | 26° | 63 mm | 29° | 13.1 h | Beach weather |
| July | 33° | 26° | 87 mm | 29° | 13.0 h | Beach weather |
| August | 33° | 26° | 102 mm | 30° | 12.6 h | Beach weather |
| September | 32° | 26° | 159 mm | 30° | 12.1 h | Mild |
| October | 31° | 26° | 65 mm | 30° | 11.6 h | Beach weather |
| November | 30° | 25° | 168 mm | 29° | 11.1 h | Mild |
| December | 30° | 23° | 43 mm | 29° | 10.9 h | Beach weather |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: January, February, March, April, May, June, July, August, October and December — highs around 31°, nights no colder than 23°, and at most 102 mm of rain in a month. The sea sits at 28–30° then.