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

Krong Siem Reap starts May with an average high-temperature of a hot 34°C (93.2°F), a minor shift from April's 36°C (96.8°F). Krong Siem Reap, during the month of May, experiences an average low-temperature of 25°C (77°F).

Rainfall

In Krong Siem Reap, in May, it is raining for 15 days, with typically 146mm (5.75") of accumulated precipitation. In Krong Siem Reap, during the entire year, the rain falls for 121 days and collects up to 1357mm (53.43") of precipitation.

Daylight

In Krong Siem Reap, the average length of the day in May 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, in Krong Siem Reap, 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

February through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an excessive health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 12 during May leads to these instructions:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. A sunscreen boasting a minimum SPF of 30 should be generously applied and reapplied even on cloudy days, post swim or outdoor exercise.