April weather forecast
Bandar Seri Begawan, Brunei

April in Bandar Seri Begawan brings with it a detectable increase in temperature, hinting at the onset of warmer months. The city bathes in a consistent level of sunshine with little fluctuation in atmospheric pressure, fostering ideal conditions for exploration and leisure activities. However, the standout feature of April’s weather is the increase in rainfall to 127mm (5"), enhancing the city’s lush greenery even further. The subtle changes from March make for a serene progression that promotes comfort and evokes a sense of tranquility. While sea temperature holds its warmth, an overall increase in temperature suggests the impending arrival of summer.

Temperature

Bandar Seri Begawan's entry into April measures an average high-temperature of a tropical 30.7°C (87.3°F), closely parallel to the preceding month. April nights document an average temperature reading of 25.8°C (78.4°F).

Heat index

The heat index in April is appraised at a blisteringly hot 40°C (104°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In Bandar Seri Begawan, the average relative humidity in April is 79%.

Rainfall

In Bandar Seri Begawan, in April, during 25.9 rainfall days, 127mm (5") of precipitation is typically accumulated. In Bandar Seri Begawan, during the entire year, the rain falls for 310.9 days and collects up to 1693mm (66.65") of precipitation.

Sea temperature

In April, the average sea temperature is 28.8°C (83.8°F).
Note: For any water activity, the surface water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are deemed excellent and incredibly pleasant for longer durations.

Daylight

The average length of the day in April in Bandar Seri Begawan is 12h and 14min.
On the first day of the month, sunrise is at 06:19 and sunset at 18:29. On the last day of April, sunrise is at 06:08 and sunset at 18:26 +08.

Sunshine

The average sunshine in April is 8.8h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. 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 health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 7 in April converts into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Note! Reflective surfaces like sand and water heighten the UV radiation levels.