April weather forecast
Kuala Lumpur, Malaysia

April carries on the increasing trend in rainfall from March to April, with the largest rainfall quantity of the year at 97mm (3.82"). The weather patterns observed in March repeat themselves in April, the significant difference being the further increase in rainy days. Although April is pegged as a rainy month, the rainfall tends to occur in a concentrated afternoon showers, leaving plenty of sunshine hours for exploration especially since the sun graces Kuala Lumpur for about 8.4 hours during the day. The consistently high temperatures throughout the year are again evident in April, reminding residents and visitors of the tropical climate of Malaysia. Predicting weather conditions for the subsequent month becomes a tad more difficult as variability increases.

Temperature

In Kuala Lumpur, Malaysia, temperatures reach their average annual highs in April, measuring 32.4°C (90.3°F) and a minimum average of 23.6°C (74.5°F).

Heat index

In April, the average heat index is estimated at a burning hot 46°C (114.8°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 could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In April, the average relative humidity is 80%.

Rainfall

In Kuala Lumpur, during April, the rain falls for 26 days and regularly aggregates up to 97mm (3.82") of precipitation. Throughout the year, in Kuala Lumpur, Malaysia, there are 287.9 rainfall days, and 866mm (34.09") of precipitation is accumulated.

Snowfall

In Kuala Lumpur, snow does not fall in January through August, October through December.

Daylight

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

Sunshine

The average sunshine in April is 8.4h.

UV index

The months with the highest UV index in Kuala Lumpur are February through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: An average UV index of 7 in April transforms into this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.