Climate averages 1991–2020
Sihanoukville weather
in June.
A hot, very wet month: the 8th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a hot month in Sihanoukville: daytime highs average 28.8°C and nights cool to about 25.7°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 489 mm of rain on roughly 28 days, which makes June a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 44 min on an average June day.
The nearest other city in this atlas is Phú Quốc (64 km away). In June its highs average 27.5°C, 1.2°C cooler than Sihanoukville, with 372 mm of rain.
Among the 8 cities listed in Cambodia, Sihanoukville ranks 8th of 8 for the warmest June highs and 8th of 8 for the driest June (rainfall, lowest first). The mean June high of those 8 cities is 31.7°C; Sihanoukville is 3.0°C cooler than that mean.
From June to July, average highs fall by 0.5°C to 28.3°C, and monthly rainfall rises from 489 mm to 558 mm.
The annual picture
June 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, selected | 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
June in nearby cities
- Phú Quốc in JuneVietnam · 64 kmHigh 27.5°C · Low 25.4°C · 372 mm rain
- Hà Tiên in JuneVietnam · 108 kmHigh 29.6°C · Low 25.8°C · 198 mm rain
- Takeo in JuneCambodia · 144 kmHigh 31.7°C · Low 25.0°C · 145 mm rain
- Tịnh Biên in JuneVietnam · 154 kmHigh 30.7°C · Low 25.3°C · 233 mm rain
- Châu Đốc in JuneVietnam · 174 kmHigh 30.7°C · Low 25.1°C · 203 mm rain
- Dangkao in JuneCambodia · 179 kmHigh 32.3°C · Low 25.3°C · 154 mm rain
- Rạch Giá in JuneVietnam · 182 kmHigh 29.5°C · Low 25.6°C · 316 mm rain
- Phnom Penh in JuneCambodia · 185 kmHigh 32.4°C · Low 25.4°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.