Phnom Penh, Cambodia Weather

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

Current conditions

Updated:
33°C
91.4°F
°C °F

Condition: Partly Cloudy

Pressure: 1,010 hPa

Feel like: 35 °C

Temperature: 33°C

Cloud: 76%

Humidity: 43%

Wind: NE - 23 km/h

Visibility: 24.14 km

Weather forecast

Wed
11 Mar
24°C / 33°C
Overcast
Thu
12 Mar
23°C / 34°C
Slight Rain Showers
Fri
13 Mar
23°C / 35°C
Overcast
Sat
14 Mar
22°C / 35°C
Drizzle
Sun
15 Mar
24°C / 36°C
Drizzle
Hourly forecast today:
06:00 AM
19° / 33°
19° / 33°
Partly Cloudy
43% 42 km/h
07:00 AM
19° / 34°
19° / 34°
Overcast
41% 42 km/h
08:00 AM
19° / 34°
19° / 34°
Partly Cloudy
41% 41 km/h
09:00 AM
19° / 34°
19° / 34°
Partly Cloudy
41% 35 km/h
10:00 AM
18° / 33°
18° / 33°
Partly Cloudy
41% 30 km/h
11:00 AM
19° / 32°
19° / 32°
Partly Cloudy
48% 25 km/h
12:00 PM
20° / 30°
20° / 30°
Partly Cloudy
56% 12 km/h
13:00 PM
21° / 29°
21° / 29°
Overcast
62% 7 km/h
14:00 PM
22° / 28°
22° / 28°
Overcast
69% 18 km/h
15:00 PM
21° / 27°
21° / 27°
Overcast
70% 18 km/h
16:00 PM
22° / 27°
22° / 27°
Overcast
74% 15 km/h

30 Day Averages and Extremes

  • Average high 33.8°C
  • Average low 23.77°C
  • Hottest day 37°C (19 March 2026)
  • Coldest day 22°C (14 March 2026)
  • Average humidity 65.47%
  • Days with precipitation 23 days
  • Highest precipitation 42 mm (04 March 2026)

Yesterday's Data

  • Max: 34°C
  • Min: 24°C
  • Total Precipitation: 0 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 33ºC (91.4ºF), consider wearing:
- Sleeveless tops or vests
- Lightweight, loose-fitting shorts
- Light, natural fabrics (like cotton or linen)
- UV-blocking sunglasses

Temperature

Early
21°C / 29°C
Morning
19°C / 34°C
Afternoon
21°C / 27°C
Evening
20°C / 24°C

Air quality

Unhealthy for Sensitive Groups

Unhealthy for Sensitive Groups air quality, health effects possible for sensitive people, general public usually unaffected

  • CO2 448
  • CO 213
  • NH3 0
  • NO2 1
  • O3 99
  • PM10 5
  • PM25 4
  • SO2 2
  • CH4 1,377

Sunrise / Sunset

23:10
11:10