Siem Reap Weather in October
October in Siem Reap sees daytime temperatures around 32°C (90°F) and lows of 25°C (77°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Siem Reap in October
As part of the rainy season, Siem Reap sees around 15 days of rain in October, with an average of 220 mm (8.7 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Siem Reap in October
October in Siem Reap brings very high temperatures, with highs of 32°C (90°F) and nights around 25°C (77°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.If you're looking for dry conditions and comfortable temperatures, October may not be the ideal month to visit Siem Reap. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cambodia, check out our Siem Reap's climate page.
Siem Reap Temperature in October
Min Temperature
25°C (77°F)
Max Temperature
32°C (90°F)
Chance of Rain
50%
Precipitation
220 mm (8.7 in)
Rainy days
15 days
Humidity
75%
Historical weather for Siem Reap in October
Browse day-by-day weather records for Siem Reap spanning 34 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Siem Reap historical weather extremes in October
According to our 19 years of weather records for Siem Reap, the following extremes were recorded between 2006 and 2025.
- The warmest day in October was on October 16, 2014, with a maximum of 39°C (102°F).
- On October 15, 2022, Siem Reap saw its coldest October day with temperatures maxing out at 25°C (77°F).
- The coldest night in October in Siem Reap was on October 31, 2010, with a minimum of 20°C (68°F).
- Peak precipitation in October occurred on October 9, 2020, when 82 mm (3.2 in) of precipitation was measured.
Best Places in Cambodia in October
Find out more about the weather in Cambodia and which places have the best travel conditions in this month. See all of Cambodia in October →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Siem Reap in October
Warm temperatures in October make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!What To Do in Siem Reap in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cambodia, check out our Siem Reap's climate page.
See the full Siem Reap climate overview or explore weather in Cambodia.
