Phnom Penh weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Phnom Penh, Cambodia. Like most weather services, we show Phnom Penh at one spot: Phnom Penh, its largest city. At 4:30 AM local time it was clear and 26°C (78°F). Mostly light, on-and-off rain; heavier around 4 PM, 5 PM (4.7 mm total). Best months for weather: Nov–Jan.
Current conditions
- Clouds
- 10%
- Chance of rain
- 16%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 4 PM, 5 PM (4.7 mm total)
Daily Forecast
Best Time to Visit
Peak season Nov–JanOff season Apr–Oct
About Phnom Penh weather
Is it raining in Phnom Penh right now?
No. It’s clear and 26° right now. Mostly light, on-and-off rain; heavier around 4 PM, 5 PM (4.7 mm total).
What’s the weather like in Phnom Penh this week?
Over the next 7 days, expect highs of 32–32° and lows of 24–25°. Rain is likely on 7 of 7 days (Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday). The driest day looks like Monday.
Has it been raining in Phnom Penh lately?
In the past 7 days, Phnom Penh had 3 rainy days and 14.5 mm of rain in total.
What should I pack for Phnom Penh?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Phnom Penh weather by month
When is the best time to visit Phnom Penh?
Based on weather alone, the best time to visit Phnom Penh is Nov–Jan, according to NASA's 2001–2025 climate averages. Apr–Oct tends to be the least pleasant. Average highs run from 30°C (86°F) in October to 37°C (99°F) in March.
What is the rainiest month in Phnom Penh?
June is the wettest month, with about 190 mm (7.5 in) of rain on average. February is the driest, with about 11 mm (0.4 in).
What is the hottest month in Phnom Penh?
March is the warmest, with average highs of 37°C (99°F) and lows of 25°C (77°F). October is the coolest, with highs of 30°C (86°F) and lows of 24°C (75°F).
Does Phnom Penh have a rainy season?
Yes. Jun–Oct is the rainy season (150 mm or more a month), while Dec–Mar is usually dry (under 60 mm).
Phnom Penh weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Phnom Penh), forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Phnom Penh
Weather can differ a lot within Phnom Penh: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Phnom Penh | Nov–Jan | Jun–Oct | 30–37°C | 1,242 mm |
| Dangkao | Nov–Jan | Jun–Oct | 30–37°C | 1,242 mm |
| Boeng Kak Pir | Nov–Jan | Jun–Oct | 30–37°C | 1,242 mm |
| Chrang Chamreh Muoy | Nov–Jan | Jun–Oct | 30–37°C | 1,242 mm |