April weather forecast
Krong Siem Reap, Cambodia

As heat builds in April, weather conditions in Krong Siem Reap, Cambodia noticeably change. April boasts of a slight increase in temperature, side-by-side with an escalated precipitation which is almost twice March's level, reaching up to 64mm (2.52"). Despite the progression in rain levels, the month doesn't move into the rainy season yet. Interestingly, April provides a hint of what to expect from the ensuing rainy season with more humid conditions than in the preceding month. Longer daylight hours and amplified UV intensity also remain a consistent feature throughout the month.

Temperature

Krong Siem Reap sees the highest average temperatures during the months of March and April, peaking at 36°C (96.8°F).

Rainfall

In Krong Siem Reap, in April, during 7 rainfall days, 64mm (2.52") of precipitation is typically accumulated. Throughout the year, there are 121 rainfall days, and 1357mm (53.43") of precipitation is accumulated.

Daylight

In Krong Siem Reap, the average length of the day in April is 12h and 26min.
On the first day of April, sunrise is at 06:00 and sunset at 18:16. On the last day of the month, sunrise is at 05:43 and sunset at 18:19 +07.

Sunshine

The average sunshine in April is 8h.

UV index

The months with the highest UV index are February through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for the average person.
Note: In April, the maximum UV index of 12 transforms into these recommendations:
Put into action all important safeguards, unprotected skin may burn swiftly. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Even if it's cloudy, generously apply and frequently reapply a sunscreen with no less than a 30 sun protection factor after each swim or outdoor exercise.