Weather in Phnom Penh in October 2025
- October is usually the coldest month of the year in Phnom Penh;
- October is usually the wettest month of the year in Phnom Penh;
Average weather
Average temperature in Phnom Penh in October
Going from a maximum of +91°F during the day to a minimum of +77°F during the night, the temperature in October averages around +90°F.
The average maximum temperature goes down 12% by the end of the month, compared with the beginning of the month, from +91°F to +90°F.
Is Phnom Penh warm or cold in October?
Phnom Penh is typically hot in October.
Maximum temperatures go down compared to the previous month from +90°F to +88°F. The minimum temperature also goes up from +77°F to +77°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
October is the coldest month in Phnom Penh, here is the comparison with other months:
Climate in Phnom Penh in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +90°F | +88°F | +88°F | ||||
| Min. temperature | ||||||
| +73°F | +70°F | +64°F | ||||
| Max. temperature | ||||||
| +99°F | +97°F | +95°F | ||||
| Rainfall | ||||||
| 232 mm | 242 mm | 97 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 2 m/s | ||||
| Humidity | ||||||
| 82% | 82% | 77% | ||||
| Air pressure | ||||||
| 1007 HPa | 1008 HPa | 1009 HPa | ||||
| Sunny days | ||||||
| 0 | 1 | 3 | ||||
| Cloudy days | ||||||
| 1 | 3 | 9 | ||||
| Rainy days | ||||||
| 24 | 23 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as ok as in September. It’s getting colder in October. From +90°F in the day, the average maximum temperature lowers to +88°F. Prepare for more rain. Average rainfall goes from 232 mm to 242 mm. Humidity levels don’t change as the month goes on, averaging around 82%. The average wind speed doesn’t change much during October, staying around 1 m/s. The good news is there are likely to be more sunny days in October, from 0 to 1.
November brings much the same weather, it remains ok.
Wind
The average wind speed is 1 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Phnom Penh is gradually increasing during October, going from 1 m/s to 3 m/s over the course of the month.
Rain
How was the weather last October in Phnom Penh?
Climate Change Over the Years
The climate in Phnom Penh in October has not changed that much over the last 43 years.
The average temperature was the lowest in 1999 (+89°F) and the highest in 2015 (+94°F). The driest year was 2015 with only 964 mm of rainfall, and the wettest year was 2022 with 1761 mm.
FAQ
Is October a good time to visit Phnom Penh?
Can you sunbathe in Phnom Penh in October?
Is Phnom Penh rainy in October?
Is it sunny in Phnom Penh in October?
Other cities in Cambodia
Monthly weather in Phnom Penh
Source of the data
For this page, we’ve looked at the typical weather in Phnom Penh, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.