Climate averages 1991–2020
Siem Reap weather
in June.
A hot, wet month: the 5th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a hot month in Siem Reap: daytime highs average 32.0°C and nights cool to about 25.7°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 131 mm of rain on roughly 21 days, which makes June a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 54 min on an average June day.
The nearest other city in this atlas is Battambang (77 km away). In June its highs average 33.1°C, 1.1°C warmer than Siem Reap, with 105 mm of rain.
Among the 8 cities listed in Cambodia, Siem Reap ranks 5th of 8 for the warmest June highs and 2nd of 8 for the driest June (rainfall, lowest first). The mean June high of those 8 cities is 31.7°C; Siem Reap is 0.2°C warmer than that mean.
From June to July, average highs fall by 0.7°C to 31.3°C, and monthly rainfall rises from 131 mm to 135 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
Siem Reap climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.3°C21.9°C | 21.9°C | 9.0 | 1.9 | 11.411 h |
| February | 32.8°C23.5°C | 23.5°C | 13 | 2.6 | 11.712 h |
| March | 34.1°C25.4°C | 25.4°C | 52 | 7.8 | 12.012 h |
| April | 34.2°C26.1°C | 26.1°C | 94 | 13.4 | 12.412 h |
| May | 33.0°C26.1°C | 26.1°C | 148 | 21.4 | 12.713 h |
| June, selected | 32.0°C25.7°C | 25.7°C | 131 | 20.7 | 12.913 h |
| July | 31.3°C25.3°C | 25.3°C | 135 | 22.0 | 12.813 h |
| August | 31.0°C25.1°C | 25.1°C | 162 | 24.3 | 12.613 h |
| September | 30.3°C24.5°C | 24.5°C | 244 | 25.9 | 12.212 h |
| October | 30.0°C23.8°C | 23.8°C | 224 | 23.2 | 11.812 h |
| November | 30.1°C22.8°C | 22.8°C | 62 | 8.8 | 11.512 h |
| December | 30.1°C21.7°C | 21.7°C | 16 | 2.9 | 11.411 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
- Battambang in JuneCambodia · 77 kmHigh 33.1°C · Low 25.7°C · 105 mm rain
- Paoy Paet in JuneCambodia · 144 kmHigh 31.6°C · Low 25.0°C · 141 mm rain
- Kampong Chhnang in JuneCambodia · 151 kmHigh 32.2°C · Low 25.3°C · 158 mm rain
- Chanthaburi in JuneThailand · 208 kmHigh 29.2°C · Low 25.3°C · 384 mm rain
- Phnom Penh in JuneCambodia · 231 kmHigh 32.4°C · Low 25.4°C · 154 mm rain
- Ubon Ratchathani in JuneThailand · 234 kmHigh 31.7°C · Low 25.1°C · 194 mm rain
- Dangkao in JuneCambodia · 234 kmHigh 32.3°C · Low 25.3°C · 154 mm rain
- Kabin Buri in JuneThailand · 241 kmHigh 30.7°C · Low 24.4°C · 231 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 Siem Reap) is explained once on the Siem Reap year overview and on the Sources, method and limits page.