Measurements:
°C
°F
Siem Reap
88°F
W 1 mph
Feels like: 94°F
Precip: 82%
World Resorts Cambodia Siem Reap Weather May Weather in Siem Reap

Siem Reap Weather: May

Average Day Temperature: 100.1°F
Average Night Temperature: 84.0°F
Number of Sunny Days: 9 days
Sunshine Hours: 12.6 - 12.9 hours
Number of Rainy Days: 8 days
Precipitation Totals: 4.0 in

Air Temperature in May, °F

Select Year: 2025 2024 2023

The highest day temperature in May 2025 was 105°F. The lowest night temperature was 79°F. The average values for day and night temperatures during May were 97.7°F и 81.9°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in May are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Siem Reap is 4.0 in.

Wind Speed in May, mph

The average wind speed in May is 5.0 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Siem Reap in May is 7.5 hours.

Best Time to Visit Siem Reap
The most sunny months:
February 24 days
January 22 days
March 22 days
The most warm months:
April 102.3 °F
March 101.2 °F
May 100.1 °F
The most cold months:
December 91.0 °F
November 92.5 °F
September 92.5 °F
The most rainy months:
September 16 days
July 15 days
August 13 days
The most windy months:
July 7 mph
August 6 mph
June 6 mph

Siem Reap on the Weather Map

Cambodia Resorts:
NAME
Battambang +90
Koh Dek Koule +86
Koh Kong +90
Koh Rong +86
Phnom Penh +92
Siem Reap +88
Sihanoukville +86
24 Hours Weather Forecast
Siem Reap
Local time: 15:29
05 dec, friday
1800 82°F
S
6 mph
2100 80°F
S
5 mph
06 dec, saturday
0000 80°F
W
4 mph
0300 78°F
W
6 mph
0600 76°F
W
6 mph
0900 82°F
W
7 mph
1200 88°F
W
4 mph
1500 88°F
NW
1 mph