April weather forecast
Portmore, Jamaica

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Weather in April

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.

Frequently asked questions

Is it hot in Portmore during April?

In April, the average high-temperature and low-temperature in Portmore are 28.7°C (83.7°F) and 22.6°C (72.7°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in April is appraised at 34°C (93.2°F).

What is the average humidity in April in Portmore?

The average relative humidity in April in Portmore, Jamaica, is 79%.

How many days does it rain in April in Portmore?

In Portmore, in April, during 24.4 rainfall days, 78mm (3.07") of precipitation is typically accumulated.

How warm is the water in April in Portmore?

In Portmore, Jamaica, in April, the average water temperature is 27.7°C (81.9°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Portmore have in April?

The average day length in April is 12h and 34min.

What time are sunrise and sunset in April in Portmore?

On the first day of April in Portmore, sunrise is at 06:01 and sunset at 18:21. On the last day of the month, sunrise is at 05:40 and sunset at 18:28 EST.

How long on average sun shines in April in Portmore?

The average sunshine duration in April in Portmore is 10.3h.

What is the month with the lowest UV index in Portmore?

The months with the lowest UV index in Portmore are January through May, November and December, with an average maximum UV index of 6.

What is the UV index intensity in April in Portmore?

In April, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Average temperature in April
Portmore, Jamaica

Average temperature in April - Portmore, Jamaica
  • Average high temperature in April: 28.7°C

The warmest month (with the highest average high temperature) is August (30.3°C).
The months with the lowest average high temperature are January and February (27.3°C).

  • Average low temperature in April: 22.6°C

The month with the highest average low temperature is July (24.3°C).
The coldest month (with the lowest average low temperature) is February (21.6°C).

Average pressure in April
Portmore, Jamaica

Average pressure in April - Portmore, Jamaica
  • Average pressure in April: 1014.2mbar

The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is October (1011.5mbar).

Average wind speed in April
Portmore, Jamaica

Average wind speed in April - Portmore, Jamaica
  • Average wind speed in April: 9.8km/h

The windiest month (with the highest average wind speed) is June (12.8km/h).
The calmest month (with the lowest average wind speed) is November (8.6km/h).

Average humidity in April
Portmore, Jamaica

Average humidity in April - Portmore, Jamaica
  • Average humidity in April: 79%

The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is March (78%).

Average rainfall in April
Portmore, Jamaica

Average rainfall in April - Portmore, Jamaica
  • Average rainfall in April: 78mm

The wettest month (with the highest rainfall) is October (184mm).
The driest month (with the least rainfall) is February (44mm).

Average rainfall days in April
Portmore, Jamaica

Average rainfall days in April - Portmore, Jamaica
  • Average rainfall days in April: 24.4 days

The month with the highest number of rainy days is October (28.7 days).
The month with the least rainy days is February (22.1 days).

Average sea temperature in April
Portmore, Jamaica

Average sea temperature in April - Portmore, Jamaica
  • Average sea temperature in April: 27.7°C

The best month for swimming (with the highest average sea temperature) is September (29.5°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).

Average daylight in April /
Average sunshine in April
Portmore, Jamaica

Average daylight in April / Average sunshine in April - Portmore, Jamaica
  • Average daylight in April: 12h and 4min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in April: 10h and 2min

The months with the most sunshine are August and September (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in April
Portmore, Jamaica

Average sunshine days in April - Portmore, Jamaica
  • Average sunshine days in April: 2.4 days

The month with the most sunshine days is January (3.4 days).
The month with the least sunshine days is August (0.3 days).

Average UV index in April
Portmore, Jamaica

Average UV index in April - Portmore, Jamaica
  • Average UV index in April: 6

The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).

Average cloud cover in April
Portmore, Jamaica

Average cloud cover in April - Portmore, Jamaica
  • Average cloud cover in April: 33

The month with the most cloud cover is June (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in April
Portmore, Jamaica

Average visibility in April - Portmore, Jamaica
  • Average visibility in April: 10km

The months with the highest visibility are January, February, March, April, June, July, November and December (10km).
The months with the lowest visibility are May, August, September and October (9km).

Portmore, Jamaica

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