Climate averages 1991–2020
Ubon Ratchathani weather
in August.
A hot, very wet month: the 8th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Ubon Ratchathani: daytime highs average 30.3°C and nights cool to about 24.3°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 270 mm of rain on roughly 27 days, which makes August a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 38 min on an average August day.
The nearest other city in this atlas is Pakse (103 km away). In August its highs average 29.1°C, 1.2°C cooler than Ubon Ratchathani, with 444 mm of rain.
Among the 46 cities listed in Thailand, Ubon Ratchathani ranks 33rd of 46 for the warmest August highs and 38th of 46 for the driest August (rainfall, lowest first). The mean August high of those 46 cities is 30.7°C; Ubon Ratchathani is 0.4°C cooler than that mean.
From August to September, average highs fall by 0.4°C to 29.9°C, and monthly rainfall rises from 270 mm to 273 mm.
The annual picture
August 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
Ubon Ratchathani climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.4°C19.1°C | 19.1°C | 4.7 | 1.4 | 11.311 h |
| February | 32.2°C20.9°C | 20.9°C | 9.9 | 1.9 | 11.612 h |
| March | 34.1°C23.7°C | 23.7°C | 35 | 6.3 | 12.012 h |
| April | 34.5°C25.3°C | 25.3°C | 81 | 12.9 | 12.512 h |
| May | 33.0°C25.4°C | 25.4°C | 181 | 22.4 | 12.813 h |
| June | 31.7°C25.1°C | 25.1°C | 194 | 23.2 | 13.013 h |
| July | 30.9°C24.6°C | 24.6°C | 232 | 26.2 | 12.913 h |
| August, selected | 30.3°C24.3°C | 24.3°C | 270 | 26.9 | 12.613 h |
| September | 29.9°C23.8°C | 23.8°C | 273 | 25.6 | 12.212 h |
| October | 29.8°C22.7°C | 22.7°C | 124 | 15.0 | 11.812 h |
| November | 29.9°C21.4°C | 21.4°C | 31 | 4.7 | 11.411 h |
| December | 29.4°C19.5°C | 19.5°C | 6.3 | 1.3 | 11.211 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
August in nearby cities
- Pakse in AugustLaos · 103 kmHigh 29.1°C · Low 23.6°C · 444 mm rain
- Savannakhet in AugustLaos · 148 kmHigh 29.6°C · Low 23.9°C · 294 mm rain
- Sakon Nakhon in AugustThailand · 227 kmHigh 29.9°C · Low 24.3°C · 355 mm rain
- Siem Reap in AugustCambodia · 234 kmHigh 31.0°C · Low 25.1°C · 162 mm rain
- Thakhèk in AugustLaos · 242 kmHigh 29.2°C · Low 23.6°C · 493 mm rain
- Khon Kaen in AugustThailand · 254 kmHigh 30.8°C · Low 24.5°C · 214 mm rain
- Nakhon Ratchasima in AugustThailand · 296 kmHigh 31.3°C · Low 24.5°C · 161 mm rain
- Battambang in AugustCambodia · 297 kmHigh 32.1°C · Low 25.2°C · 124 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 Ubon Ratchathani) is explained once on the Ubon Ratchathani year overview and on the Sources, method and limits page.