May weather forecast
Krong Siem Reap, Cambodia

Like a prelude to the upcoming wet season, May sees substantial changes in Krong Siem Reap's climate parameters. From a temperature standpoint, it continues the increasing trend from April, hitting the highest mark yet this year. However, a more dramatically shifting element is rain count - a significant jump from the preceding month sees May receive up to 146mm (5.75") of precipitation. Consequently, this month denotes the start of the wet season, foreseeably raising humidity levels. Despite more cloud cover due to increased rainfall, hours of daylight are at their peak, continuing from April.

Temperature

With the transition into May, Krong Siem Reap notes an average high-temperature of a tropical 34°C (93.2°F), closely resembling April. An average low-temperature of 25°C (77°F) is noted during the nights in May in Krong Siem Reap.

Rainfall

In Krong Siem Reap, in May, during 15 rainfall days, 146mm (5.75") of precipitation is typically accumulated. Throughout the year, there are 121 rainfall days, and 1357mm (53.43") of precipitation is accumulated.

Daylight

In May, the average length of the day in Krong Siem Reap is 12h and 45min.
On the first day of the month, sunrise is at 05:43 and sunset at 18:20. On the last day of May, sunrise is at 05:36 and sunset at 18:28 +07.

Sunshine

In Krong Siem Reap, the average sunshine in May is 7h.

UV index

The months with the highest UV index are February through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 12 in May converts into the following recommendations:
Put into effect every precaution of importance, unprotected skin and eyes may get burns swiftly. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Apply and frequently reapply a broad-spectrum SPF 30+ sunscreen after every two hours, or immediately after a swim or outdoor exercise.