April weather forecast
Tarakan, Indonesia

Weather in April in Tarakan, Indonesia experiences subtle changes with temperatures reaching highs of 30°C (86°F). This increases the warmth when compared to March but still falls within comfortable levels. Days in April take a fascinating turn with extended daylight hours, making the days feel longer and more enjoyable. Despite the rise in temperature, the rainfall is relatively moderate. It is relatively stable weather with the familiar pattern of sun, wind, and a sprinkle of rain.

Temperature

April's average high-temperature stands at a hot 30°C (86°F), showing little deviation from March's 29.4°C (84.9°F). The April average low temperature, marginally lower than the daytime high, records at a warm 26.1°C (79°F).

Heat index

The heat index for April is computed to be a sweltering 37°C (98.6°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. 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 primarily vital for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In Tarakan, the average relative humidity in April is 78%.

Rainfall

In April, the rain falls for 27.8 days. Throughout April, 188mm (7.4") of precipitation is accumulated. Throughout the year, in Tarakan, there are 329.3 rainfall days, and 2189mm (86.18") of precipitation is accumulated.

Sea temperature

The months with the warmest seawater are April through June, with an average sea temperature of 30°C (86°F).
Note: Water temperatures higher than 30°C (86°F) might not provide the relief swimmers often seek.

Daylight

In Tarakan, the average length of the day in April is 12h and 11min.
On the first day of April, sunrise is at 06:08 and sunset at 18:18. On the last day of the month, sunrise is at 05:59 and sunset at 18:13 WITA.

Sunshine

In April, the average sunshine is 8.6h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 7 in April transforms into this advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.