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Climate · Phnom Penh

Phnom Penh in October

Hot and wet, as the days shorten.

Typical weather, averaged over 30 years

October in Phnom Penh is hot: highs near 90°F, lows near 76°F. Rain falls on about six days a week, less often as the month goes on, and the days shorten by 13 minutes from the first week to the last.October in Phnom Penh is hot: highs near 32°C, lows near 24°C. Rain falls on about six days a week, less often as the month goes on, and the days shorten by 13 minutes from the first week to the last.

High
90°F32°Caverage
Low
76°F24°Caverage
Wet days
6a week · 88% of days
Daylight
11h 51mon average

Is October a good time to visit Phnom Penh?

October sits outside Phnom Penh's most comfortable months, which run from December to January. Expect hot days and rain on about six days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How October sits in the year

week by week

Temperature

Highs near 90°F in October, against 90°F to 98°F through the year.Highs near 32°C in October, against 32°C to 37°C through the year.

Chance of a wet day

88% of days in October, against 7% to 90% through the year.

Cloud cover

79% cover in October, against 57% to 81% through the year.

Daylight

11h 51m in October, against 11h 27m to 12h 47m through the year.

Week by week, lightly smoothed, with October shaded. The olive line marks the most comfortable months. Hover or tap a week for its figures.

Either side

  1. September91°33°low 76°low 24°6 wet days a weekRain on about six days a week.
  2. October90°32°low 76°low 24°6 wet days a weekRain on about six days a week.
  3. November90°32°low 75°low 24°3 wet days a weekRain on about three days a week.

Where Phnom Penh sits, in October

Asia/Phnom Penh
this place
typical high in October 40°F4°C95°F35°C
Sunrise, mid-October
5:49 AMsets 5:43 PM
Above the sea
20 mlow-lying
Latitude
11.6°Nnorthern hemisphere
Nearest of ours
Cardamom Mountains115 km west

The land around Phnom Penh, shaded by its typical high in October, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Cambodia in October

high · low · wet days
See October on the planning mapThe whole year in Phnom Penh

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Phnom Penh. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.