April weather forecast
Semporna, Malaysia

April is a hot spring month in Semporna, Malaysia, with an average temperature ranging between min 25.6°C (78.1°F) and max 30.3°C (86.5°F).

Temperature

An average high-temperature of a hot 30.3°C (86.5°F) marks April, exhibiting a close resemblance to the conditions in March. In April, Semporna temperatures settle at a low of 25.6°C (78.1°F) during the nights, reflecting a minor change from daytime highs.

Heat index

April's average heat index is estimated at a torrid 38°C (100.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The average relative humidity in April is 77%.

Rainfall

In Semporna, in April, it is raining for 22.2 days, with typically 76mm (2.99") of accumulated precipitation. In Semporna, Malaysia, during the entire year, the rain falls for 278.4 days and collects up to 1091mm (42.95") of precipitation.

Sea temperature

In Semporna, in April, the average water temperature is 29.2°C (84.6°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.

Daylight

In Semporna, Malaysia, the average length of the day in April is 12h and 13min.
On the first day of the month, sunrise is at 6:04 am and sunset at 6:14 pm. On the last day of April, in Semporna, Malaysia, sunrise is at 5:54 am and sunset at 6:11 pm +08.

Sunshine

In April, the average sunshine in Semporna, Malaysia, is 9.8h.

UV index

The months with the highest UV index in Semporna 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 threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 7 in April converts into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Stay aware! UV radiation is magnified when reflecting off sand and water.