Climate averages 1991–2020
Savannakhet weather
in May.
A hot, very wet month: the 3rd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Savannakhet: daytime highs average 32.1°C and nights cool to about 24.7°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 189 mm of rain on roughly 22 days, which makes May a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 54 min on an average May day.
The nearest other city in this atlas is Sakon Nakhon (93 km away). In May its highs average 32.2°C, about as warm as Savannakhet, with 216 mm of rain.
Among the 4 cities listed in Laos, Savannakhet ranks 1st of 4 for the warmest May highs and 1st of 4 for the driest May (rainfall, lowest first). The mean May high of those 4 cities is 31.9°C; Savannakhet is 0.3°C warmer than that mean.
From May to June, average highs fall by 1.4°C to 30.7°C, and monthly rainfall rises from 189 mm to 209 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Sakon Nakhon in MayThailand · 93 kmHigh 32.2°C · Low 25.0°C · 216 mm rain
- Thakhèk in MayLaos · 94 kmHigh 31.5°C · Low 24.2°C · 253 mm rain
- Ubon Ratchathani in MayThailand · 148 kmHigh 33.0°C · Low 25.4°C · 181 mm rain
- Pakse in MayLaos · 196 kmHigh 31.9°C · Low 24.6°C · 190 mm rain
- Khon Kaen in MayThailand · 206 kmHigh 33.4°C · Low 25.4°C · 152 mm rain
- Ba Đồn in MayVietnam · 220 kmHigh 31.4°C · Low 25.8°C · 103 mm rain
- Đồng Hới in MayVietnam · 222 kmHigh 30.9°C · Low 25.8°C · 112 mm rain
- Udon Thani in MayThailand · 230 kmHigh 32.6°C · Low 25.1°C · 211 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.