Phnom Penh weather in March
Temperature, rain and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Fair
Best time to visit: December – January
What is the weather like in Phnom Penh in March?
In March, Phnom Penh is very hot: daytime highs average 35 °C, and even at night it stays warm at around 25 °C. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 33 mm. On about 31 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a so-so month for a holiday in Phnom Penh.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 58 | 45 | 24 |
| Day | 33° | 35° | 35° |
| Night | 24° | 25° | 26° |
| Sun | 8 h | 8 h | 8 h |
| Rain days | 2 | 6 | 15 |
More details for March
- Daylight
- 12 h 3 min06:09 – 18:11
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 29 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 51 %on averageAll months
- Hot days
- 31 days30 °C or moreAll months
- Time zone
- UTC+7Asia/Phnom_Penh
How the score comes together
- Temperatureweight 50 %6 %
- Sunshineweight 20 %82 %
- Few rainy daysweight 30 %84 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in March
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
Phnom Penh in March: quick answers
Is Phnom Penh hot in March?
Yes. In March, Phnom Penh is very hot: daytime highs average 35 °C and nights stay around 25 °C. On about 31 days the thermometer climbs to 30 °C or more.
Does it rain much in Phnom Penh in March?
Rain falls on about 6 days, adding up to 33 mm.
Phnom Penh month by month
The whole year in Phnom PenhAll destinations: CambodiaWhere to go in March
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences