Siem Reap (Angkor) weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Fair
Best time to visit: December – February
What is the weather like in Siem Reap (Angkor) in October?
In October, Siem Reap (Angkor) is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 234 mm. On about 19 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Siem Reap (Angkor).
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 37 | 42 | 61 |
| Day | 30° | 30° | 30° |
| Night | 25° | 24° | 24° |
| Sun | 5 h | 6 h | 8 h |
| Rain days | 27 | 24 | 11 |
More details for October
- Daylight
- 11 h 51 min05:55 – 17:46
- UV index
- 11 · extremeclear sky, noon (estimate)
- Muggy days
- 31 daysdew point 18 °C or more
- Wind
- 11 km/haverage daily peak
- Cloud cover
- 78 %on average
- Hot days
- 19 days30 °C or more
- Time zone
- UTC+7Asia/Phnom_Penh
How the score comes together
- Temperatureweight 50 %63 %
- Sunshineweight 20 %52 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Siem Reap (Angkor) in October: quick answers
Is Siem Reap (Angkor) hot in October?
Yes. In October, Siem Reap (Angkor) is hot: daytime highs average 30 °C and nights stay around 24 °C. On about 19 days the thermometer climbs to 30 °C or more.
Does it rain much in Siem Reap (Angkor) in October?
It rains often – on about 24 days, adding up to 234 mm.
Siem Reap (Angkor) month by month
The whole year in Siem Reap (Angkor)All destinations: Cambodia
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)