Plain of Jars
Laos
A sprawling archaeological mystery scattered with thousands of massive, ancient stone vessel urns across the Xiangkhouang Plateau.
Warmest month is April at 29°C on average. Coolest is January at 23°C. Driest reading falls in December with 2 rain days.
Six lead datapoints
- CoffeeWorld Bank PPP baseline$1.00 (~$1.00)PPP price tier 1 / 4
- $1.25 (~$1.25)PPP price tier 1 / 4
- Flight timeMethodology12h 30m from London HeathrowGreat-circle plus routing overhead.
- Flight CO2eDEFRA 2024 factors3,523 kg return from London HeathrowDEFRA 2024 economy factors, includes radiative forcing.
- FCDO advisorygov.uk, snapshot compiled 2026-07-11No specific FCDO warnings against travel.Check the latest FCDO advice before booking.
- Tap waterCDC / WHO guidanceDo not drink from the tap; use bottled or treated water.
| Month | Avg high | Swing | Rain days |
|---|---|---|---|
| January | 23° | ±4° | 5 |
| February | 26° | ±4° | 3 |
| March | 28° | ±4° | 9 |
| April | 29° | ±4° | 17 |
| May | 29° | ±3° | 23 |
| June | 28° | ±2° | 27 |
| July | 28° | ±2° | 27 |
| August | 27° | ±2° | 27 |
| September | 27° | ±2° | 24 |
| October | 26° | ±3° | 11 |
| November | 25° | ±3° | 5 |
| December | 23° | ±4° | 2 |
What to do
- Wander among the gigantic jars at Site 1
- Visit the MAG visitor center to learn about UXO clearance
- Explore the cluster of jars at the scenic, tree-covered Site 2
- Tour the ruined stupa of That Foun in old Xieng Khouang
How we know this
Values are the average of the last ten calendar years of daily readings from Visual Crossing, snapped to the destination cluster. Swing is the p10 to p90 range of daily highs, halved for the ± figure. Rain days count any day with at least 1 mm of precipitation.