Climate averages 1991–2020
Sihanoukville weather
in July.
A hot, very wet month: the 10th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Sihanoukville: daytime highs average 28.3°C and nights cool to about 25.3°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 558 mm of rain on roughly 29 days, which makes July a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 41 min on an average July day.
The nearest other city in this atlas is Phú Quốc (64 km away). In July its highs average 27.0°C, 1.2°C cooler than Sihanoukville, with 401 mm of rain.
Among the 8 cities listed in Cambodia, Sihanoukville ranks 8th of 8 for the warmest July highs and 8th of 8 for the driest July (rainfall, lowest first). The mean July high of those 8 cities is 31.1°C; Sihanoukville is 2.9°C cooler than that mean.
From July to August, average highs fall by 0.1°C to 28.1°C, and monthly rainfall falls from 558 mm to 556 mm.
The annual picture
July 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 | 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, selected | 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
July in nearby cities
- Phú Quốc in JulyVietnam · 64 kmHigh 27.0°C · Low 25.0°C · 401 mm rain
- Hà Tiên in JulyVietnam · 108 kmHigh 29.1°C · Low 25.4°C · 208 mm rain
- Takeo in JulyCambodia · 144 kmHigh 31.2°C · Low 24.7°C · 151 mm rain
- Tịnh Biên in JulyVietnam · 154 kmHigh 30.3°C · Low 25.0°C · 247 mm rain
- Châu Đốc in JulyVietnam · 174 kmHigh 30.4°C · Low 24.8°C · 215 mm rain
- Dangkao in JulyCambodia · 179 kmHigh 31.8°C · Low 25.0°C · 154 mm rain
- Rạch Giá in JulyVietnam · 182 kmHigh 28.9°C · Low 25.2°C · 344 mm rain
- Phnom Penh in JulyCambodia · 185 kmHigh 31.8°C · Low 25.0°C · 154 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.