April weather forecast
Miri, Malaysia

April weather in Miri, Malaysia, manifests as a blend of high temperatures and moderate rain. The rise to 30.9°C (87.6°F) in air temperature mirrors the steady climb towards annual peaks, reflecting the city's tropical climate. Additionally, longer daylight hours contribute to warmer conditions. The UV index upholds its constant figure, underscoring the dominant solar exposure level of this region. However, a reduction in humidity from March offers a hint of relief amidst these soaring temperatures.

Temperature

The arrival of April is marked by an average high-temperature of a still tropical 30.9°C (87.6°F), bearing a close resemblance to March. Miri's average low-temperature for the month of April records at a moderately hot 25.3°C (77.5°F).

Heat index

April's heat index is computed to be a blisteringly hot 41°C (105.8°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In April, the average relative humidity in Miri is 80%.

Rainfall

In Miri, in April, during 23 rainfall days, 129mm (5.08") of precipitation is typically accumulated. Throughout the year, in Miri, there are 280.5 rainfall days, and 1574mm (61.97") of precipitation is accumulated.

Sea temperature

In Miri, in April, the average water temperature is 29.3°C (84.7°F).
Note: Water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.

Daylight

In Miri, the average length of the day in April is 12h and 13min.
On the first day of the month, sunrise is at 6:22 am and sunset at 6:32 pm. On the last day of April, sunrise is at 6:13 am and sunset at 6:29 pm +08.

Sunshine

In April, the average sunshine is 8.5h.

UV index

The months with the highest UV index in Miri are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through 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: In April, the UV index of 7 transforms into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be attentive! The UV exposure is heightened with reflections from sand and water.