April weather forecast
Port Royal, Jamaica

The Port Royal weather turns decidedly warmer in April with the highest temperature rising to 28.7°C (83.7°F), a notable difference from the cooler opening months. Along with this temperature upswing, the rainfall also increases substantially with a notable jump to 78mm (3.07"), indicating a considerably wetter month. Daylight is plentiful, and the longer days offer more time for outdoors and sightseeing. Although the rainfall levels peak, the city ensures it is well balanced with constant sunshine and wind speed. The pressure levels also begin to oscillate, moving in sync with the changing weather.

Temperature

The advent of April presents an average high-temperature of a still warm 28.7°C (83.7°F), maintaining a close correlation with the preceding month. The average low-temperature of 22.6°C (72.7°F) is witnessed in Port Royal during April.

Heat index

In April, the heat index is appraised at a hot 34°C (93.2°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In April, the average relative humidity in Port Royal is 79%.

Rainfall

In Port Royal, Jamaica, in April, it is raining for 24.4 days, with typically 78mm (3.07") of accumulated precipitation. Throughout the year, there are 310.9 rainfall days, and 1286mm (50.63") of precipitation is accumulated.

Sea temperature

In Port Royal, Jamaica, in April, the average water temperature is 27.7°C (81.9°F).
Note: A water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm and enjoyable, allowing water activities to be pleasant for extended periods without irritation.

Daylight

In April, the average length of the day in Port Royal is 12h and 34min.
On the first day of April, sunrise is at 06:01 and sunset at 18:20. On the last day of the month, sunrise is at 05:40 and sunset at 18:28 EST.

Sunshine

The average sunshine in April in Port Royal 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. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 6 during April translates into the following guidance:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.