Port-au-Prince
Haiti
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Port-au-Prince, Haiti

A view of a stack of structures on a hillside in Port-au-Prince, Haiti
A view of a stack of structures on a hillside in Port-au-Prince, Haiti
August, the last month of the summer, in Port-au-Prince, is another very hot month, with average temperature varying between 35°C (95°F) and 24°C (75.2°F).

Temperature

June through August, with an average high-temperature of 35°C (95°F), are the warmest months.

Rainfall

In Port-au-Prince, it is raining for 11 days, with typically 145mm (5.7") of accumulated precipitation. Throughout the year, there are 99 rainfall days, and 1353mm (53.3") of precipitation is accumulated.

Sea temperature

In Port-au-Prince, the average seawater temperature in August is 29.5°C (85.1°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In August, the average length of the day is 12.7h.

Sunshine

February, April and August, with an average of 9.1h of sunshine, are months with the most sunshine in Port-au-Prince.

UV index

Months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 12 in August interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the warmest month in Port-au-Prince?

June through August, with an average high-temperature of 35°C (95°F), are warmest months.

What is the temperature in August in Port-au-Prince?

The average high-temperature, in August, in Port-au-Prince, Haiti, is 35°C (95°F), while the average low-temperature is 24°C (75.2°F).

How much does it rain in Port-au-Prince in August?

In August, in Port-au-Prince, the rain falls for 11 days. Throughout August, 145mm (5.7") of precipitation is accumulated.

What is the sea water temperature in August in Port-au-Prince?

In Port-au-Prince, Haiti, in August, the average water temperature is 29.5°C (85.1°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Port-au-Prince have in August?

In Port-au-Prince, Haiti, the average length of the day in August is 12.7h.

What are the months with the most sunshine in Port-au-Prince?

Months with the most sunshine in Port-au-Prince, Haiti, are February, April and August, with an average of 9.1h of sunshine.

How many hours of sunshine does Port-au-Prince have in August?

The average sunshine in August in Port-au-Prince is 9.1h.

When is the highest UV index in Port-au-Prince?

March through September, with an average maximum UV index of 12, are months with the highest UV index.

How high is the UV index in August in Port-au-Prince?

In Port-au-Prince, the average daily maximum UV index in August is 12. A UV Index estimate of 11, and higher, represents an extreme health threat from the exposure to the Sun's UV rays.
Average temperature in August - Port-au-Prince, Haiti
  • Average high temperature in August: 35°C

Warmest months (with the highest average high temperature) are June, July and August (35°C).
Months with the lowest average high temperature are January, February and December (31°C).

  • Average low temperature in August: 24°C

The month with the highest average low temperature is July (25°C).
Coldest months (with the lowest average low temperature) are February, March and December (22°C).

Average rainfall in August - Port-au-Prince, Haiti
  • Average rainfall in August: 145mm

The wettest month (with the highest rainfall) is May (231mm).
Driest months (with the lowest rainfall) are January and December (33mm).

Average rainfall days in August - Port-au-Prince, Haiti
  • Average rainfall days in August: 11 days

The month with the highest number of rainy days is May (13 days).
Months with the lowest number of rainy days are January and December (3 days).

Average sea temperature in August - Port-au-Prince, Haiti
  • Average sea temperature in August: 29.5°C

The best month for swimming (with the highest average sea temperature) is September (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).

Average daylight in August / Average sunshine in August - Port-au-Prince, Haiti
  • Average daylight in August: 12.7h

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11h).

  • Average sunshine in August: 9.1h

Months with most sunshine are February, April and August (Average sunshine: 9.1h).
Months with least sunshine are June and December (Average sunshine: 7.9).

Average UV index in August - Port-au-Prince, Haiti
  • Average UV index in August: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).