Port-au-Prince Weather in August
August in Port-au-Prince brings very high temperatures around 31°C (88°F) during the day, dropping to 22°C (72°F) at night, with quite a bit of rainfall expected, averaging around 164 mm (6.5 in) for the month.
Rainfall in Port-au-Prince in August
You can expect rain on roughly 14 days based on historical data, averaging 164 mm (6.5 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Port-au-Prince in August
August in Port-au-Prince sees highs of 31°C (88°F) and lows of 22°C (72°F) overnight. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing. Although these are average temperatures, some days can be hotter. Wear cool, breathable clothing and protect yourself from the sun.
Sunshine in Port-au-Prince in August
The city usually sees around 282 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Average water temperature in August
The water reaches 29°C (84°F) this month. It's on the warm side, which suits people who prefer that, but don't expect a cooling dip if the air temperature is also high.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, November and December typically offer the best circumstances for Port-au-Prince.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Haiti, check out our Port-au-Prince's climate page.
Port-au-Prince Temperature in August
Min Temperature
22°C (72°F)
Max Temperature
31°C (88°F)
Water Temperature
29°C (84°F)
Chance of Rain
45%
Precipitation
164 mm (6.5 in)
Rainy days
14 days
Humidity
49%
Sunshine
282 hours
Percentage Sunshine
Daily Historical Temperatures
41-year average (1976-2025)
Based on our historical records, temperatures in Port-au-Prince typically stay consistent throughout August, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in August
Historical weather for Port-au-Prince in August
Browse day-by-day weather records for Port-au-Prince spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Port-au-Prince historical weather extremes in August
Based on 20 years of weather observations in Port-au-Prince between 2005 and 2025, these are the recorded extremes.
- The hottest August day on record in Port-au-Prince reached 38°C (100°F) (August 12, 2008).
- The lowest daytime temperature in August was 23°C (73°F), recorded on August 26, 2008.
- The lowest overnight temperature recorded in August was 16°C (61°F) (August 6, 2014).
Best Places in Haiti in August
Find out more about the weather in Haiti and which places have the best travel conditions in this month. See all of Haiti in August →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Port-au-Prince in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Port-au-Prince in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Haiti, check out our Port-au-Prince's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Port-au-Prince climate overview or explore weather in Haiti.
