April weather forecast
Petaling Jaya, Malaysia

Temperature contrasts noticeably during April in Petaling Jaya, touching a monthly high from 24.2°C (75.6°F) to 32.4°C (90.3°F). Combined with the highest recorded rainfall of 167mm (6.57") for the year, its climate can potentially keep tourists at bay. Even though pockets of sunlight peek through the misty mornings, it's not enough to warm up the wet, cool ground. This weather pattern is considered routine for April, which seems to prepare for the onset of monsoons. Looking ahead, May, too, will carry on with the rainy days while keeping the temperature a notch higher.

Temperature

In Petaling Jaya, the months of February, April through June are known for the peak temperatures, reaching an average high of 32.4°C (90.3°F).

Heat index

During April, the heat index is estimated at a blazing hot 45°C (113°F). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In Petaling Jaya, Malaysia, the average relative humidity in April is 79%.

Rainfall

In Petaling Jaya, in April, it is raining for 27.8 days, with typically 167mm (6.57") of accumulated precipitation. In Petaling Jaya, during the entire year, the rain falls for 309.8 days and collects up to 1481mm (58.31") of precipitation.

Daylight

In April, the average length of the day is 12h and 11min.
On the first day of April, sunrise is at 7:12 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 7:17 pm +08.

Sunshine

In Petaling Jaya, the average sunshine in April is 8.4h.

UV index

The months with the highest UV index are February through October and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The UV index of 7 during April leads to these advisories:
Deter overexposure. Protecting against the sun's effects is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.