July weather forecast
Port of Spain, Trinidad and Tobago

July carries on the wet trend from June with only a slight dip in rainfall. The weather remains hot, humid, and rain is still frequent. Daylight hours, however, decrease subtly from 12.7 hours in June to 12.7 hours in July. The rainfall engenders a rather vivid and vibrant cityscape that further amplifies the Port of Spain's tropical appeal. The city's rich cultural scene, replete with music, arts, and cuisines, shines through notwithstanding the rain.

Temperature

July's climate in Port of Spain shows a minor adjustment in average high-temperatures to a still hot 31.3°C (88.3°F) from June's 31.5°C (88.7°F). July's nights observe an average temperature of 23°C (73.4°F).

Heat index

In July, the heat index is computed to be an extremely hot 43°C (109.4°F). Warning: Heat cramps and heat exhaustion are anticipated. Heatstroke is a risk with ongoing activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

The average relative humidity in July is 84%.

Rainfall

In Port of Spain, in July, it is raining for 21 days, with typically 194mm (7.64") of accumulated precipitation. In Port of Spain, during the entire year, the rain falls for 166 days and collects up to 1408mm (55.43") of precipitation.

Sea temperature

In Port of Spain, in July, the average water temperature is 28°C (82.4°F).
Note: For any water activity, surface water temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed perfect and extremely pleasing for enduring enjoyment.

Daylight

In July, the average length of the day is 12h and 41min.
On the first day of the month, sunrise is at 05:47 and sunset at 18:32. On the last day of July, in Port of Spain, Trinidad and Tobago, sunrise is at 05:54 and sunset at 18:30 AST.

Sunshine

In Port of Spain, the average sunshine in July is 6.6h.

UV index

The months with the highest UV index in Port of Spain are February through October, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 12 in July translates into the following instructions:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Even when the sky is cloudy, apply generously and frequently reapply a sunscreen with SPF 30 or more, especially post every swim or outdoor exercise. Heads up! The reflection of sand and water notably intensifies UV rays from the Sun.