April weather forecast
Tuas, Singapore

April brings about a further rise in temperatures, signaling the transition into the warmer part of the year. This month is also marked by a higher volume of rainfall, measured at 151mm (5.94"). Ultraviolet index remains consistently high throughout the day, despite the cloud formation. Daylight is slightly prolonged, reaching 12.2 hours. While the heat and humidity persist, the increase in rainfall gives the Tuas landscape a more refreshing feel.

Temperature

The transition from March to April sees average high-temperatures adjusting to a still tropical 31.2°C (88.2°F), from a not significantly different 31°C (87.8°F). Tuas marks an average drop to a warm 26.3°C (79.3°F) during nighttime in April, following the high of the day.

Heat index

Throughout April, the heat index is computed to be a blistering 40°C (104°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. 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. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in April in Tuas is 77%.

Rainfall

In Tuas, in April, it is raining for 28.3 days, with typically 151mm (5.94") of accumulated precipitation. In Tuas, during the entire year, the rain falls for 327.3 days and collects up to 1631mm (64.21") of precipitation.

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 19:13. On the last day of April, in Tuas, sunrise is at 06:57 and sunset at 19:07 +08.

Sunshine

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 Tuas, Singapore. The months with the lowest UV index in Tuas are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 7 in April translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.