Phnom Penh, Cambodia Weather

Phnom Penh,  Weather
(Photo by SCREEN POST on Unsplash)

Current conditions

Updated:
26°C
78.8°F
°C °F

Condition: Drizzle

Pressure: 1,012 hPa

Feel like: 32 °C

Temperature: 26°C

Cloud: 96%

Humidity: 90%

Wind: ESE - 2 km/h

Visibility: 7.98 km

Weather forecast

Thu
05 Nov
24°C / 32°C
Moderate Drizzle
Fri
06 Nov
23°C / 31°C
Moderate Drizzle
Sat
07 Nov
24°C / 31°C
Drizzle Dense Intensity
Sun
08 Nov
24°C / 31°C
Drizzle
Mon
09 Nov
23°C / 31°C
Slight Thunderstorm
Hourly forecast today:
01:00 AM
24° / 26°
24° / 26°
Drizzle
90% 14 km/h
02:00 AM
24° / 27°
24° / 27°
Drizzle
84% 18 km/h
03:00 AM
25° / 29°
25° / 29°
Drizzle
78% 19 km/h
04:00 AM
25° / 30°
25° / 30°
Drizzle
74% 21 km/h
05:00 AM
24° / 31°
24° / 31°
Drizzle
68% 22 km/h
06:00 AM
24° / 31°
24° / 31°
Partly Cloudy
66% 20 km/h
07:00 AM
24° / 31°
24° / 31°
Mainly Clear
63% 18 km/h
08:00 AM
24° / 32°
24° / 32°
Mainly Clear
63% 18 km/h
09:00 AM
24° / 31°
24° / 31°
Drizzle
66% 11 km/h
10:00 AM
24° / 26°
24° / 26°
Slight Thunderstorm
89% 18 km/h
11:00 AM
24° / 25°
24° / 25°
Slight Thunderstorm
91% 20 km/h

30 Day Averages and Extremes

  • Average high 31.27°C
  • Average low 24.2°C
  • Hottest day 32°C (21 October 2026)
  • Coldest day 23°C (06 November 2026)
  • Average humidity 82.6%
  • Days with precipitation 30 days
  • Highest precipitation 55 mm (13 November 2026)

Yesterday's Data

  • Max: 32°C
  • Min: 25°C
  • Total Precipitation: 13 mm

Temperature and possibility of rain in Phnom Penh over the next 12 hours

Temperature and possibility of rain in Phnom Penh in the coming days

Rainfall in Phnom Penh in the coming days

Phnom Penh Climate Summary

Phnom Penh features a Tropical monsoon (Köppen classification: Am), with an average annual temperature of 29.79ºC (85.62ºF), which is about 0.82% higher than the national average for Cambodia. Annually, the city experiences approximately 89.7 millimeters (3.53 inches) of rainfall, spread across 176.36 rainy days, accounting for 48.32% of the year.

Longitude 11.5563738
Latitude 104.9282099
Yearly high temperature 33.2ºC (91.76ºF)
Yearly low temperature 24.59ºC (76.26ºF)
Hottest month March 36.23ºC (97.21ºF)
Coldest month January 22.34ºC (72.21ºF)
Yearly precip 89.7mm (3.53in)
Days with rainfall 176.36 days (48.32%)
Driest month February (55.62%)
Wettest month September (77.68%)

Weather averages by month

Month High / Low (°C) Rain
January 32.42° / 22.34° 4.45 days
February 34.64° / 23.28° 2.91 days
March 36.23° / 25.57° 7.64 days
April 35.57° / 26.57° 16.09 days
May 35.1° / 26.61° 19.36 days
June 33.31° / 25.44° 18.91 days
July 32.57° / 24.83° 19.27 days
August 32.87° / 25.05° 19.36 days
September 32.21° / 25.06° 24.64 days
October 31.48° / 24.55° 23.18 days
November 31.26° / 23.62° 14.55 days
December 30.74° / 22.22° 6.0 days

Frequently asked questions

1. What is the hottest month in Phnom Penh?

March has the highest average monthly temperature (daily mean of 36.23ºC) and January are the coolest (daily mean of 22.34ºC).

2. What should I wear in Phnom Penh today?

For today's very hot weather in Phnom Penh, with the high temperatures above 32ºC (89.6ºF), consider wearing:
- UV-blocking sunglasses
- Light, natural fabrics (like cotton or linen)
- High SPF sunscreen for outdoor activities
- Airy sandals or flip-flops

Temperature

Early
25°C / 29°C
Morning
24°C / 31°C
Afternoon
24°C / 25°C
Evening
24°C / 25°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 452
  • CO 573
  • NH3 0
  • NO2 10
  • O3 65
  • PM10 20
  • PM25 19
  • SO2 11
  • CH4 1,636

Sunrise / Sunset

22:53
10:34