April weather forecast
Lim Chu Kang, Singapore

In April, Lim Chu Kang, Singapore experiences an increase in temperature, with lows peaking at 25.2°C (77.4°F), the highest minimum temperature recorded throughout the year. The weather during this period maintains its tropical ambiance, rich with humidity and marked by frequent rains. Despite these showers, the sun dominates the sky for long stretches, proffering ample opportunities to enjoy the city's outdoors. April stands out as a month with a stable atmospheric pressure, maintaining an almost regular airflow throughout. As the month comes to an end, Singapore readies itself to welcome the traditional Southern Hemisphere winter period.

Temperature

April brings an average high-temperature of a still hot 31.8°C (89.2°F), nearly identical to the preceding month. An average low-temperature of 25.2°C (77.4°F) is observed during the April nights.

Heat index

In April, the heat index is estimated at a scorching 43°C (109.4°F). Stay watchful: Heat exhaustion along with heat cramps are likely. Ongoing effort may cause heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In Lim Chu Kang, the average relative humidity in April is 78%.

Rainfall

In April, the rain falls for 26.3 days. Throughout April, 124mm (4.88") of precipitation is accumulated. Throughout the year, there are 291.8 rainfall days, and 1206mm (47.48") of precipitation is accumulated.

Daylight

In Lim Chu Kang, 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 Lim Chu Kang, the average sunshine in April is 8.4h.

UV index

The months with the highest UV index are January through November, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In April, the maximum UV index of 7 suggests this advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.