Climate averages 1991–2020
Savannakhet weather
in December.
A warm, very dry month: the coolest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Savannakhet: daytime highs average 27.7°C and nights cool to about 17.8°C. By daytime temperature it is the coolest month of the year.
Expect about 4.9 mm of rain on roughly 1 day, which makes December a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 10 min on an average December day.
The nearest other city in this atlas is Sakon Nakhon (93 km away). In December its highs average 27.6°C, about as warm as Savannakhet, with 5.5 mm of rain.
Among the 4 cities listed in Laos, Savannakhet ranks joint 2nd of 4 for the warmest December highs and 1st of 4 for the driest December (rainfall, lowest first). The mean December high of those 4 cities is 28.0°C; Savannakhet is 0.2°C cooler than that mean.
From December to January, average highs rise by 0.8°C to 28.5°C, and monthly rainfall falls from 4.9 mm to 4.4 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Sakon Nakhon in DecemberThailand · 93 kmHigh 27.6°C · Low 17.2°C · 5.5 mm rain
- Thakhèk in DecemberLaos · 94 kmHigh 27.7°C · Low 16.3°C · 5.8 mm rain
- Ubon Ratchathani in DecemberThailand · 148 kmHigh 29.4°C · Low 19.5°C · 6.3 mm rain
- Pakse in DecemberLaos · 196 kmHigh 29.5°C · Low 19.1°C · 5.8 mm rain
- Khon Kaen in DecemberThailand · 206 kmHigh 28.3°C · Low 18.3°C · 5.1 mm rain
- Ba Đồn in DecemberVietnam · 220 kmHigh 21.8°C · Low 18.5°C · 213 mm rain
- Đồng Hới in DecemberVietnam · 222 kmHigh 22.0°C · Low 19.4°C · 228 mm rain
- Udon Thani in DecemberThailand · 230 kmHigh 27.4°C · Low 17.3°C · 6.4 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.