Siem Reab

What is the climate like in Siem Reab?

The best time to visit Siem Reab is typically December – March, with trip comfort peaking in February (7.7/10). Siem Reab is warmest in April, when daily highs average 96°F (36°C), and coolest in January, when lows fall to about 73°F (23°C). The wettest month is typically September and the driest is February; the year sees roughly 59 in (1496 mm) of precipitation.

• Best time to visitDecember – March — comfort peaks in February (7.7/10)
• Warmest monthApril — average high 96°F (36°C)
• Coolest monthJanuary — average low 73°F (23°C)
• Wettest monthSeptember (10 in (262 mm))
• Driest monthFebruary (0.6 in (15 mm))
• Annual precipitation59 in (1496 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromPhnom Penh Intl, 16 km away (1950-2025)