December weather forecast
Krong Siem Reap, Cambodia

Closing out the year, December represents a pretty straightforward weather outlook in Krong Siem Reap. This month indicates the full onset of the dry season, with a significant drop in rainfall reaching its lowest point of just 7mm (0.28"). The temperature range remains stable when matched with November's measures. A shorter daylight duration compared to November contributes to the transition into the dry period. Even though the UV index remains high, it does recede to its lowest yearly value, signaling some relief from the year’s high radiation levels.

Temperature

Krong Siem Reap's coldest temperatures are experienced in December, with average high temperatures of 30°C (86°F) and lows of 20°C (68°F).

Rainfall

In Krong Siem Reap, Cambodia, during December, the rain falls for 2 days and regularly aggregates up to 7mm (0.28") of 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

December has the shortest days of the year, with an average of 11h and 24min of daylight.
On the first day of the month, sunrise is at 06:11 and sunset at 17:35. On the last day of December, sunrise is at 06:27 and sunset at 17:48 +07.

Sunshine

January, February and December, with an average of 9h of sunshine, are months with the most sunshine in Krong Siem Reap, Cambodia.

UV index

With an average maximum UV index of 9, December is the month with the lowest UV index in Krong Siem Reap, Cambodia. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 9 transforms into these recommendations:
Remember to safeguard yourself. Rapid damage can occur to skin and eyes without protection. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Despite the cloud cover, sunscreen with an SPF of at least 30 should be generously applied and reapplied, particularly after a swim or an outdoor workout.