April weather forecast
Port of Spain, Trinidad and Tobago

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The ancient building hosting the public library of the Port of Spain in Trinidad and Tobago
The ancient building hosting the public library of the Port of Spain in Trinidad and Tobago

Weather in April

April brings forth the wet season for Port of Spain, more rainfall registered than the preceding month, with minimal impact on temperature ranges. Consuming most of the day, with an average of 12.4 hours, daylight dominates the scenery. The longer daylight hours offer more opportunities for sightseeing and exploring the rich biodiversity of the city. An increase in rainfall creates a refreshing ambiance and intensifies the tropical environment. Simultaneously, the UV Index is at its peak, suggesting high exposure to ultraviolet radiation.

Temperature

With the transition into April, Port of Spain notes an average high-temperature of a still tropical 31°C (87.8°F), closely resembling March. The month of April records an average low-temperature of 22°C (71.6°F) in Port of Spain.

Heat index

The heat index for April is computed to be a blistering 40°C (104°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

March and April, with an average relative humidity of 77%, are the least humid months in Port of Spain.

Rainfall

In April, in Port of Spain, Trinidad and Tobago, the rain falls for 6 days. Throughout April, 28mm (1.1") of precipitation is accumulated. Throughout the year, in Port of Spain, there are 166 rainfall days, and 1408mm (55.43") of precipitation is accumulated.

Sea temperature

In Port of Spain, in April, the average water temperature is 27°C (80.6°F).
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as ideal and highly pleasant for extended enjoyment in all water activities.

Daylight

In April, the average length of the day in Port of Spain, Trinidad and Tobago, is 12h and 22min.
On the first day of the month, sunrise is at 06:02 and sunset at 18:16. On the last day of April, in Port of Spain, sunrise is at 05:47 and sunset at 18:18 AST.

Sunshine

The average sunshine in April is 7.9h.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index in Port of Spain. A UV Index reading of 11, and higher, represents an extreme health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 12 in April translates into the following instructions:
Undertake all critical precautions. Protection from sun harm is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. After every outdoor workout or swim, liberally apply and frequently reapply a broad-spectrum SPF 30+ sunscreen. Take caution! The UV rays from the Sun gain strength from sand and water reflections.

Frequently asked questions

How hot does it get in Port of Spain in April?

An average high-temperature, in April, in Port of Spain, is 31°C (87.8°F) and the average low-temperature is 22°C (71.6°F). In April, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 40°C (104°F).

What are the least humid months in Port of Spain?

The months with the lowest humidity are March and April, with an average relative humidity of 77%.

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

In Port of Spain, Trinidad and Tobago, the average relative humidity in April is 77%.

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

In April, the rain falls for 6 days. Throughout April, 28mm (1.1") of precipitation is accumulated.

What is the sea water temperature in April in Port of Spain?

In April, the average sea temperature in Port of Spain, Trinidad and Tobago, is 27°C (80.6°F). 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.

How many hours of daylight does Port of Spain have in April?

The average day length in April is 12h and 22min.

When is the sunrise / sunset in April in Port of Spain?

In April, on the first day of the month, sunrise is at 06:02 and sunset at 18:16. On the last day of the month, sunrise is at 05:47 and sunset at 18:18 AST.

How many hours of sunshine does Port of Spain have in April?

In April, the average sunshine duration is 7.9h.

When is the highest UV index in Port of Spain?

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

How high is the UV index in April in Port of Spain?

The average daily maximum UV index in April is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in April
Port of Spain, Trinidad and Tobago

Average temperature in April - Port of Spain, Trinidad and Tobago
  • Average high temperature in April: 31°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 April: 22°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 April
Port of Spain, Trinidad and Tobago

Average humidity in April - Port of Spain, Trinidad and Tobago
  • Average humidity in April: 77%

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

Average rainfall in April
Port of Spain, Trinidad and Tobago

Average rainfall in April - Port of Spain, Trinidad and Tobago
  • Average rainfall in April: 27.7mm

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

Average rainfall days in April
Port of Spain, Trinidad and Tobago

Average rainfall days in April - Port of Spain, Trinidad and Tobago
  • Average rainfall days in April: 6 days

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

Average sea temperature in April
Port of Spain, Trinidad and Tobago

Average sea temperature in April - Port of Spain, Trinidad and Tobago
  • Average sea temperature in April: 27°C

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

Average daylight in April /
Average sunshine in April
Port of Spain, Trinidad and Tobago

Average daylight in April / Average sunshine in April - Port of Spain, Trinidad and Tobago
  • Average daylight in April: 12h and 2min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in April: 7h and 5min

The month with the most sunshine is February (Average sunshine: 8h and 18min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).

Average UV index in April
Port of Spain, Trinidad and Tobago

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

The 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).

Port of Spain, Trinidad and Tobago

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