Climate averages 1991–2020
Savannakhet weather
in August.
A hot, very wet month: the 7th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Savannakhet: daytime highs average 29.6°C and nights cool to about 23.9°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 294 mm of rain on roughly 28 days, which makes August a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 41 min on an average August day.
The nearest other city in this atlas is Sakon Nakhon (93 km away). In August its highs average 29.9°C, about as warm as Savannakhet, with 355 mm of rain.
Among the 4 cities listed in Laos, Savannakhet ranks joint 1st of 4 for the warmest August highs and 1st of 4 for the driest August (rainfall, lowest first). The mean August high of those 4 cities is 29.4°C; Savannakhet is 0.2°C warmer than that mean.
From August to September, average highs fall by 0.2°C to 29.4°C, and monthly rainfall falls from 294 mm to 257 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
Savannakhet climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.5°C17.3°C | 17.3°C | 4.4 | 1.1 | 11.311 h |
| February | 30.5°C19.0°C | 19.0°C | 13 | 2.7 | 11.612 h |
| March | 32.9°C22.0°C | 22.0°C | 34 | 5.7 | 12.012 h |
| April | 33.8°C24.2°C | 24.2°C | 66 | 11.0 | 12.513 h |
| May | 32.1°C24.7°C | 24.7°C | 189 | 21.6 | 12.913 h |
| June | 30.7°C24.6°C | 24.6°C | 209 | 23.4 | 13.113 h |
| July | 30.0°C24.2°C | 24.2°C | 278 | 26.0 | 13.013 h |
| August, selected | 29.6°C23.9°C | 23.9°C | 294 | 27.7 | 12.713 h |
| September | 29.4°C23.3°C | 23.3°C | 257 | 24.1 | 12.212 h |
| October | 29.3°C22.1°C | 22.1°C | 109 | 11.7 | 11.812 h |
| November | 29.1°C20.3°C | 20.3°C | 21 | 3.3 | 11.411 h |
| December | 27.7°C17.8°C | 17.8°C | 4.9 | 1.4 | 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
- Sakon Nakhon in AugustThailand · 93 kmHigh 29.9°C · Low 24.3°C · 355 mm rain
- Thakhèk in AugustLaos · 94 kmHigh 29.2°C · Low 23.6°C · 493 mm rain
- Ubon Ratchathani in AugustThailand · 148 kmHigh 30.3°C · Low 24.3°C · 270 mm rain
- Pakse in AugustLaos · 196 kmHigh 29.1°C · Low 23.6°C · 444 mm rain
- Khon Kaen in AugustThailand · 206 kmHigh 30.8°C · Low 24.5°C · 214 mm rain
- Ba Đồn in AugustVietnam · 220 kmHigh 31.8°C · Low 26.5°C · 167 mm rain
- Đồng Hới in AugustVietnam · 222 kmHigh 31.6°C · Low 26.7°C · 146 mm rain
- Udon Thani in AugustThailand · 230 kmHigh 30.1°C · Low 24.3°C · 331 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 Savannakhet) is explained once on the Savannakhet year overview and on the Sources, method and limits page.