Phnom Penh Weather in October
Phnom Penh in October sees very high temperatures, with highs around 33°C (91°F) and overnight lows of 25°C (77°F). With the rainy season in full effect, expect around 247 mm (9.7 in) of rainfall and regular showers throughout the month.
Rainfall in Phnom Penh in October
Phnom Penh is in the rainy season in October, with rain on around 17 days and an average of 247 mm (9.7 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Phnom Penh in October
Daytime highs in Phnom Penh in October reach 33°C (91°F), with nights around 25°C (77°F). It's usually most comfortable outside during the morning and later in the day. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Phnom Penh in October
There are approximately 205 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.
Wind Speed in Phnom Penh in October
Average wind conditions reach 2 m/s (4 knots) in October. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.If you prefer dry days with pleasant temperatures, October may not be the ideal month to visit Phnom Penh. 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 Phnom Penh's climate page.
Phnom Penh Temperature in October
Min Temperature
25°C (77°F)
Max Temperature
33°C (91°F)
Chance of Rain
58%
Precipitation
247 mm (9.7 in)
Rainy days
17 days
Humidity
84%
Windspeed
2 m/s (4 knots)
Sunshine
205 hours
Percentage Sunshine
Historical weather for Phnom Penh in October
Browse day-by-day weather records for Phnom Penh spanning 38 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Phnom Penh historical weather extremes in October
The extremes listed below come from historical weather data collected in Phnom Penh from 2015 through 2025.
- Phnom Penh recorded its highest October temperature of 37°C (99°F) on October 16, 2024.
- The lowest daytime temperature in October was 26°C (79°F), recorded on October 15, 2022.
- Nighttime temperatures dropped to 23°C (73°F) on October 16, 2022, marking the coldest October night on record.
- The wettest October day on record brought 50 mm (2 in) of precipitation to Phnom Penh (October 15, 2025).
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
pleasant
tolerable
unpleasant
poor
What to Wear in Phnom Penh 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! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Phnom Penh 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 Phnom Penh's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Phnom Penh climate overview or explore weather in Cambodia.
