April weather forecast
Changi, Singapore

April brings about a transition into the warmest period of the year, countertop by focal showers. The temperature margin extends from 26.1°C (79°F) to 31.7°C (89.1°F), scoring the highest figures in the year so far. Enjoying the highest sunshine hours, it's a great month to explore the city or lounge on the beach. Although winds turn weaker, they hardly impact the town's bustling vibe. Apart from the heat, the weather conditions of April promote sightseeing and day trips.

Temperature

Changi records an average high-temperature of a still tropical 31.7°C (89.1°F) as April arrives, nearly mirroring the previous month's climate. Throughout the month of April, Changi observes an average nighttime temperature of 26.1°C (79°F).

Heat index

For April, the heat index is evaluated at a blisteringly hot 42°C (107.6°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In April, the average relative humidity in Changi is 77%.

Rainfall

In April, the rain falls for 27.3 days. Throughout April, 161mm (6.34") of precipitation is accumulated. In Changi, during the entire year, the rain falls for 309.5 days and collects up to 1577mm (62.09") of precipitation.

Daylight

The average length of the day in April in Changi is 12h and 9min.
On the first day of April in Changi, sunrise is at 07:04 and sunset at 19:11. On the last day of the month, sunrise is at 06:56 and sunset at 19:06 +08.

Sunshine

In Changi, the average sunshine in April is 8.5h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Changi. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 7 during April leads to these advisories:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.