When to go
The Best Time to Visit Siem Reap
Month-by-month climate data for Siem Reap, Cambodia — daily highs and lows, rain days, and an honest verdict for every month of the year.
Warmest in Siem Reap: Mar (35°C / 95°F) · Coolest: Oct (30°C / 86°F) · Wettest: Sep (~29 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Siem Reap climate, month by month
January
31° / 21°C
~2 rain days
Excellent
February
33° / 23°C
~5 rain days
Good
March
35° / 25°C
~10 rain days
Fair
April
34° / 26°C
~16 rain days
Fair
May
33° / 26°C
~23 rain days
Tough
June
33° / 26°C
~22 rain days
Tough
July
32° / 25°C
~28 rain days
Fair
August
32° / 25°C
~27 rain days
Fair
September
31° / 24°C
~29 rain days
Fair
October
30° / 23°C
~24 rain days
Fair
November
30° / 23°C
~13 rain days
Good
December
30° / 21°C
~4 rain days
Excellent
Plan around it
Dates locked in? Start from the Siem Reap travel guide or jump straight to a 3-day, 5-day or 7-day itinerary.