April weather forecast
Koh Chang, Thailand

When April makes its mark on the calendar, Koh Chang embraces the most heated season of the year. Compared to March, the change in temperature becomes more apparent, indicating the peak of the hot season. The levels of heat do not deter water-based activities, thanks to the warm sea temperature that persists from the previous month. A significant rise in rainfall is evident, with April receiving a total rainfall of 119mm (4.69"). The considerably intensified showers mark a coherent shift towards the upcoming wetter months.

Temperature

Koh Chang's temperatures peak on average in April, reaching 32°C (89.6°F) at their highest and 23°C (73.4°F) at their lowest.

Rainfall

In Koh Chang, in April, it is raining for 10 days, with typically 119mm (4.69") of accumulated precipitation. Throughout the year, there are 170 rainfall days, and 3442mm (135.51") of precipitation is accumulated.

Sea temperature

In Koh Chang, in April, the average water temperature is 29.9°C (85.8°F).
Note: Water temperatures from 25°C (77°F) to 29°C (84.2°F) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.

Daylight

In Koh Chang, the average length of the day in April is 12h and 24min.
On the first day of the month, sunrise is at 06:06 and sunset at 18:22. On the last day of April, sunrise is at 05:51 and sunset at 18:24 +07.

Sunshine

The average sunshine in April is 8h.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 12 in April translates into the following recommendations:
Utilize all necessary safety measures, unprotected skin could suffer burns instantly. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Use liberally and reapply a broad-spectrum SPF 30+ sunscreen every two hours, or straight away after any outdoor workout or swim. Watch out! Reflections from sand and water can surge UV radiation exposure.