Phnom Penh, Cambodia Weather

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

Current conditions

Updated:
35°C
95.0°F
°C °F

Condition: Mainly Clear

Pressure: 1,006 hPa

Feel like: 41 °C

Temperature: 35°C

Cloud: 36%

Humidity: 45%

Wind: WSW - 6 km/h

Visibility: 40.32 km

Weather forecast

Sun
21 Jun
26°C / 35°C
Thunderstorm With Slight
Mon
22 Jun
26°C / 35°C
Slight Thunderstorm
Tue
23 Jun
26°C / 34°C
Slight Thunderstorm
Wed
24 Jun
26°C / 31°C
Slight Thunderstorm
Thu
25 Jun
25°C / 33°C
Thunderstorm With Slight
Hourly forecast today:
07:00 AM
22° / 35°
22° / 35°
Mainly Clear
45% 21 km/h
08:00 AM
23° / 33°
23° / 33°
Slight Thunderstorm
54% 33 km/h
09:00 AM
23° / 30°
23° / 30°
Moderate Drizzle
68% 23 km/h
10:00 AM
24° / 28°
24° / 28°
Slight Thunderstorm
76% 24 km/h
11:00 AM
24° / 28°
24° / 28°
Drizzle
79% 15 km/h
12:00 PM
24° / 28°
24° / 28°
Overcast
81% 11 km/h
13:00 PM
24° / 28°
24° / 28°
Overcast
82% 9 km/h
14:00 PM
25° / 27°
25° / 27°
Overcast
86% 9 km/h
15:00 PM
25° / 27°
25° / 27°
Overcast
87% 12 km/h
16:00 PM
25° / 27°
25° / 27°
Mainly Clear
88% 13 km/h
17:00 PM
25° / 27°
25° / 27°
Clear Sky
89% 14 km/h

30 Day Averages and Extremes

  • Average high 31.23°C
  • Average low 24.67°C
  • Hottest day 35°C (12 June 2026)
  • Coldest day 0°C (04 July 2026)
  • Average humidity 77.13%
  • Days with precipitation 30 days
  • Highest precipitation 52 mm (10 June 2026)

Yesterday's Data

  • Max: 35°C
  • Min: 26°C
  • Total Precipitation: 2 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 34ºC (93.2ºF), consider wearing:
- Lightweight, loose-fitting shorts
- Broad-brimmed sun hat
- Ultra-thin, breathable socks
- High SPF sunscreen for outdoor activities

Temperature

Early
23°C / 32°C
Morning
23°C / 30°C
Afternoon
25°C / 27°C
Evening
25°C / 26°C

Air quality

Moderate

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

  • CO2 443
  • CO 264
  • NH3 0
  • NO2 1
  • O3 106
  • PM10 16
  • PM25 13
  • SO2 3
  • CH4 1,368

Sunrise / Sunset

22:37
11:26