Climate averages 1991–2020
Sihanoukville weather
in March.
A hot, moderately wet month: the 2nd warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Sihanoukville: daytime highs average 30.6°C and nights cool to about 25.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 65 mm of rain on roughly 13 days, which makes March a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average March day.
The nearest other city in this atlas is Phú Quốc (64 km away). In March its highs average 27.9°C, 2.7°C cooler than Sihanoukville, with 64 mm of rain.
Among the 8 cities listed in Cambodia, Sihanoukville ranks 8th of 8 for the warmest March highs and 8th of 8 for the driest March (rainfall, lowest first). The mean March high of those 8 cities is 34.0°C; Sihanoukville is 3.5°C cooler than that mean.
From March to April, average highs rise by 0.3°C to 30.9°C, and monthly rainfall rises from 65 mm to 115 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sihanoukville climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.4°C24.1°C | 24.1°C | 37 | 9.7 | 11.612 h |
| February | 29.9°C24.5°C | 24.5°C | 30 | 8.3 | 11.812 h |
| March, selected | 30.6°C25.5°C | 25.5°C | 65 | 13.4 | 12.112 h |
| April | 30.9°C26.2°C | 26.2°C | 115 | 19.0 | 12.412 h |
| May | 29.8°C26.1°C | 26.1°C | 377 | 27.9 | 12.613 h |
| June | 28.8°C25.7°C | 25.7°C | 489 | 27.7 | 12.713 h |
| July | 28.3°C25.3°C | 25.3°C | 558 | 29.4 | 12.713 h |
| August | 28.1°C25.3°C | 25.3°C | 556 | 28.9 | 12.512 h |
| September | 28.0°C25.0°C | 25.0°C | 554 | 28.4 | 12.212 h |
| October | 28.5°C24.7°C | 24.7°C | 343 | 27.1 | 11.912 h |
| November | 29.3°C24.9°C | 24.9°C | 104 | 15.4 | 11.612 h |
| December | 29.4°C24.5°C | 24.5°C | 44 | 9.3 | 11.512 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Phú Quốc in MarchVietnam · 64 kmHigh 27.9°C · Low 25.3°C · 64 mm rain
- Hà Tiên in MarchVietnam · 108 kmHigh 32.5°C · Low 25.0°C · 63 mm rain
- Takeo in MarchCambodia · 144 kmHigh 34.0°C · Low 24.6°C · 45 mm rain
- Tịnh Biên in MarchVietnam · 154 kmHigh 33.7°C · Low 24.3°C · 48 mm rain
- Châu Đốc in MarchVietnam · 174 kmHigh 33.7°C · Low 24.3°C · 42 mm rain
- Dangkao in MarchCambodia · 179 kmHigh 34.6°C · Low 25.1°C · 36 mm rain
- Rạch Giá in MarchVietnam · 182 kmHigh 32.7°C · Low 24.4°C · 37 mm rain
- Phnom Penh in MarchCambodia · 185 kmHigh 34.5°C · Low 25.1°C · 36 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sihanoukville) is explained once on the Sihanoukville year overview and on the Sources, method and limits page.