April weather forecastBoon Lay, Singapore

Weather in April

April, often regarded as the town’s warmest month, sees an upswing in temperature, with the monthly lowest average temperature escalating to 26.3°C (79.3°F). However, the increase in temperature does not translate to a decrease in rainfall in Boon Lay, as it records 151mm (5.94") of rainfall. The city’s weather continues to be dominated by high humidity levels, despite the increase in temperature. A slight decrease in wind speed is seen but does not impact the city dwellers significantly. The daylight hours continue to be consistent, offering residents enough time to indulge in outdoor activities.

Temperature

With the onset of April in Boon Lay, the average high-temperature registers at a still tropical 31.2°C (88.2°F), subtly different from March's 31°C (87.8°F). Boon Lay records a negligible downturn from daytime temperatures, averaging a low of 26.3°C (79.3°F) in the month of April.

Heat index

The heat index value for April is evaluated at a scorching 40°C (104°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

The average relative humidity in April is 77%.

Rainfall

In Boon Lay, in April, during 28.3 rainfall days, 151mm (5.94") of precipitation is typically accumulated. Throughout the year, in Boon Lay, Singapore, there are 327.3 rainfall days, and 1631mm (64.21") of precipitation is accumulated.

Daylight

The average length of the day in April is 12h and 9min.
On the first day of the month, sunrise is at 07:05 and sunset at 19:12. On the last day of April, sunrise is at 06:57 and sunset at 19:07 +08.

Sunshine

In Boon Lay, the average sunshine in April is 8.6h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Boon Lay. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In April, the UV index of 7 transforms into the following advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.