Port of Spain
Trinidad and Tobago
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Port of Spain, Trinidad and Tobago

The ancient building hosting the public library of the Port of Spain in Trinidad and Tobago, with palm trees outside
The ancient building hosting the public library of the Port of Spain in Trinidad and Tobago, with palm trees outside
The last month of the summer, August, is another tropical month in Port of Spain, Trinidad and Tobago, with average temperature fluctuating between 23°C (73.4°F) and 31.7°C (89.1°F).

Temperature

In August, the average high-temperature is relatively the same as in July - a still hot 31.7°C (89.1°F). In August, in Port of Spain, the average low-temperature is 23°C (73.4°F).

Humidity

In August, the average relative humidity in Port of Spain is 84%.

Rainfall

The month with the most rainfall in Port of Spain is August when the rain falls for 19 days and typically aggregates up to 244mm (9.6") of precipitation.

Sea temperature

In August, the average sea temperature in Port of Spain is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in Port of Spain, Trinidad and Tobago, is 12.5h.

Sunshine

In August, the average sunshine is 6.9h.

UV index

Months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme threat to health from the exposure to the Sun's UV rays for average individuals.
In August, the average maximum UV index of 12 translate into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in August in Port of Spain?

In August, the average high-temperature is 31.7°C (89.1°F), and the average low-temperature is 23°C (73.4°F).

What is the average humidity in August in Port of Spain?

In Port of Spain, the average relative humidity in August is 84%.

How many days does it rain in August in Port of Spain?

In Port of Spain, during August, the rain falls for 19 days and regularly aggregates up to 244mm (9.6") of precipitation.

What is the rainiest month in Port of Spain?

The month with the most rainfall is August when the rain falls for 19 days and typically aggregates up to 244mm (9.6") of precipitation.

How warm is the water in August in Port of Spain?

In Port of Spain, the average seawater temperature in August is 28°C (82.4°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.

What is the average length of the day in August in Port of Spain?

In Port of Spain, the average length of the day in August is 12.5h.

How long on average sun shines in August in Port of Spain?

In August, the average sunshine is 6.9h.

When is the highest UV index in Port of Spain?

Months with the highest UV index in Port of Spain are February through October, with an average maximum UV index of 12.

What is the UV index intensity in August in Port of Spain?

In Port of Spain, Trinidad and Tobago, the average daily maximum UV index in August is 12. A UV Index reading of 11, and higher, represents an excessive health risk from unprotected exposure to the UV radiation.
Average temperature in August - Port of Spain, Trinidad and Tobago
  • Average high temperature in August: 31.7°C

The warmest month (with the highest average high temperature) is May (33.1°C).
The month with the lowest average high temperature is January (28°C).

  • Average low temperature in August: 23°C

The month with the highest average low temperature is June (23.3°C).
The coldest month (with the lowest average low temperature) is January (17°C).

Average humidity in August - Port of Spain, Trinidad and Tobago
  • Average humidity in August: 84%

The month with the highest relative humidity is November (86%).
Months with the lowest relative humidity are March and April (77%).

Average rainfall in August - Port of Spain, Trinidad and Tobago
  • Average rainfall in August: 244mm

The wettest month (with the highest rainfall) is August (244mm).
The driest month (with the lowest rainfall) is March (16.9mm).

Average rainfall days in August - Port of Spain, Trinidad and Tobago
  • Average rainfall days in August: 19 days

The month with the highest number of rainy days is July (21 days).
Months with the lowest number of rainy days are March and April (6 days).

Average sea temperature in August - Port of Spain, Trinidad and Tobago
  • Average sea temperature in August: 28°C

The best month for swimming (with the highest average sea temperature) is September (29°C).
Coldest months (with the lowest average sea temperature) are February and March (26°C).

Average daylight in August / Average sunshine in August - Port of Spain, Trinidad and Tobago
  • Average daylight in August: 12.5h

Months with the longest days are June and July (Average daylight: 12.7h).
The month with shortest days is December (Average daylight: 11.5h).

  • Average sunshine in August: 6.9h

The month with most sunshine is February (Average sunshine: 8.3h).
The month with least sunshine is June (Average sunshine: 6.1h).

Average UV index in August - Port of Spain, Trinidad and Tobago
  • Average UV index in August: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 9).