April weather forecast
Portmore, Jamaica

April in Portmore, Jamaica sees a considerable increase in temperatures, however, the sea temperature remains relatively stable, making it a great time for beach activities. Despite seeing longer daylight hours, the city experiences an increased quantity of rainfall of approximately 78mm (3.07"), possibly resulting in the wet nature of the month. April brings a blend of rain showers and clear skies, setting the stage for the blooming flora. The city's weather in April is a sign of the approaching climatically dynamic period, filled with variable weather conditions.

Temperature

The transition into April in Portmore is marked with an average high-temperature of a still moderately hot 28.7°C (83.7°F), showing an insignificant shift from March's 27.7°C (81.9°F). An average minimum temperature of 22.6°C (72.7°F) marks the month of April.

Heat index

The heat index in April is appraised at a hot 34°C (93.2°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The average relative humidity in April is 79%.

Rainfall

In Portmore, during April, the rain falls for 24.4 days and regularly aggregates up to 78mm (3.07") of precipitation. Throughout the year, in Portmore, there are 310.9 rainfall days, and 1286mm (50.63") of precipitation is accumulated.

Sea temperature

In Portmore, in April, the average water temperature is 27.7°C (81.9°F).
Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.

Daylight

In April, the average length of the day is 12h and 34min.
On the first day of the month, sunrise is at 06:01 and sunset at 18:21. On the last day of April, sunrise is at 05:40 and sunset at 18:28 EST.

Sunshine

In Portmore, the average sunshine in April is 10.3h.

UV index

January through May, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Portmore. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: During April, 6 as the daily maximum UV index converts into the following advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Beware! Reflections from sand and water can intensify the Sun's UV radiation.