April weather forecast
San Fernando, Trinidad and Tobago

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Weather in April

April presents the onset of hotter temperatures, preceding the intense heat usually experienced in the coming summer months. Notwithstanding the rising mercury levels, the climate remains agreeable. The month also indicates the onset of longer daylight hours. During April, the temperature peaks to a sweltering 29.6°C (85.3°F) while the lowest marks 25.8°C (78.4°F) on the thermometer. Despite the scarce rainfall of only 17mm (0.67") over 11.6 days, the lazy spring afternoons stay pleasing.

Temperature

Stepping into April, San Fernando records an average high-temperature of a still warm 29.6°C (85.3°F), almost consistent with March. San Fernando sees a minor drop to an average minimum temperature of 25.8°C (78.4°F) during the night in the month of April.

Heat index

The heat index value during April is appraised at a sweltering 35°C (95°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

The months with the lowest humidity in San Fernando are March and April, with an average relative humidity of 74%.

Rainfall

The month with the least rainfall in San Fernando, Trinidad and Tobago, is April, when the rain falls for 11.6 days and typically collects 17mm (0.67") of precipitation.

Sea temperature

In San Fernando, the average seawater temperature in April is 27.7°C (81.9°F).
Note: For swimming, diving, and various water activities, the temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as highly enjoyable and comfortable for extended durations without any discomfort.

Daylight

The average length of the day in April 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 San Fernando, sunrise is at 05:48 and sunset at 18:17 AST.

Sunshine

The average sunshine in April in San Fernando is 10h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in San Fernando. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In April, the maximum UV index of 7 suggests this advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Warning! Sand and water reflections boost the intensity of UV exposure.

Frequently asked questions

Is it hot in San Fernando during April?

The average high-temperature, in April, in San Fernando, is 29.6°C (85.3°F), while the average low-temperature is 25.8°C (78.4°F). In April, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 35°C (95°F).

What is the least humid month in San Fernando?

March and April, with an average relative humidity of 74%, are the least humid months in San Fernando, Trinidad and Tobago.

What is the average humidity in April in San Fernando?

In San Fernando, the average relative humidity in April is 74%.

What is the driest month in San Fernando?

The month with the least rainfall in San Fernando is April, when the rain falls for 11.6 days and typically collects 17mm (0.67") of precipitation.

How much does it rain in San Fernando in April?

In San Fernando, Trinidad and Tobago, during April, the rain falls for 11.6 days and regularly aggregates up to 17mm (0.67") of precipitation.

What is the sea water temperature in April in San Fernando?

In San Fernando, in April, the average water temperature is 27.7°C (81.9°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.

What is the average length of the day in April in San Fernando?

In San Fernando, the average day length in April is 12h and 22min.

When is the sunrise / sunset in April in San Fernando?

On the first day of April, sunrise is at 06:02 and sunset at 18:16. On the last day of the month, sunrise is at 05:48 and sunset at 18:17 AST.

How long on average sun shines in April in San Fernando?

In San Fernando, the average sunshine duration in April is 10h.

What is the month with the highest UV index in San Fernando?

January through December, with an average maximum UV index of 7, are months with the highest UV index in San Fernando.

When is the lowest UV index in San Fernando?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in San Fernando, Trinidad and Tobago.

How high is the UV index in April in San Fernando?

The average daily maximum UV index in April in San Fernando is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in April
San Fernando, Trinidad and Tobago

Average temperature in April - San Fernando, Trinidad and Tobago
  • Average high temperature in April: 29.6°C

The warmest month (with the highest average high temperature) is September (30.5°C).
The month with the lowest average high temperature is January (28.2°C).

  • Average low temperature in April: 25.8°C

The months with the highest average low temperature are September and October (26.5°C).
The coldest month (with the lowest average low temperature) is February (24.7°C).

Average pressure in April
San Fernando, Trinidad and Tobago

Average pressure in April - San Fernando, Trinidad and Tobago
  • Average pressure in April: 1012.8mbar

The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).

Average wind speed in April
San Fernando, Trinidad and Tobago

Average wind speed in April - San Fernando, Trinidad and Tobago
  • Average wind speed in April: 16.5km/h

The windiest month (with the highest average wind speed) is May (17km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).

Average humidity in April
San Fernando, Trinidad and Tobago

Average humidity in April - San Fernando, Trinidad and Tobago
  • Average humidity in April: 74%

The months with the highest relative humidity are July, November and December (78%).
The months with the lowest relative humidity are March and April (74%).

Average rainfall in April
San Fernando, Trinidad and Tobago

Average rainfall in April - San Fernando, Trinidad and Tobago
  • Average rainfall in April: 17mm

The wettest month (with the highest rainfall) is August (97mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in April
San Fernando, Trinidad and Tobago

Average rainfall days in April - San Fernando, Trinidad and Tobago
  • Average rainfall days in April: 11.6 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is April (11.6 days).

Average sea temperature in April
San Fernando, Trinidad and Tobago

Average sea temperature in April - San Fernando, Trinidad and Tobago
  • Average sea temperature in April: 27.7°C

The best month for swimming (with the highest average sea temperature) is September (29.3°C).
The coldest month (with the lowest average sea temperature) is February (27.1°C).

Average daylight in April /
Average sunshine in April
San Fernando, Trinidad and Tobago

Average daylight in April / Average sunshine in April - San Fernando, 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: 10h and 0min

The months with the most sunshine are August and September (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in April
San Fernando, Trinidad and Tobago

Average sunshine days in April - San Fernando, Trinidad and Tobago
  • Average sunshine days in April: 14.3 days

The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is July (5.6 days).

Average UV index in April
San Fernando, Trinidad and Tobago

Average UV index in April - San Fernando, Trinidad and Tobago
  • Average UV index in April: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in April
San Fernando, Trinidad and Tobago

Average cloud cover in April - San Fernando, Trinidad and Tobago
  • Average cloud cover in April: 36

The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 27).

Average visibility in April
San Fernando, Trinidad and Tobago

Average visibility in April - San Fernando, Trinidad and Tobago
  • Average visibility in April: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

San Fernando, Trinidad and Tobago

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