January is one of the strongest months in Plain of Jars (2nd)
Best window · 8.9/10January averages 16°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rain is a non-issue at 11 mm for the month, with about 14 days with 6+ hours of sunshine and 10.9 hours of daylight to work with.
A 8.9/10 puts this among the year's best months in Plain of Jars (2nd of 12); only March scores higher, at 9.1/10.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening.
February in Plain of Jars — one of the year's strongest windows (3rd)
Best window · 8.9/10February averages 18°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 42 mm of rain — occasional showers rather than washed-out days — alongside about 16 days with 6+ hours of sunshine and 11.4 daylight hours.
A 8.9/10 puts this among the year's best months in Plain of Jars (3rd of 12); only March scores higher, at 9.1/10.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening.
March in Plain of Jars tops the year's climate scores
Best window · 9.1/10At 22°C (71°F) this is comfortable city weather in March, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 46 mm of rain this month — a flexible day or two helps — with about 20 days with 6+ hours of sunshine and 11.9 hours of daylight to work around it.
On our climate-comfort scale this is the top-ranked month of the year for Plain of Jars at 9.1/10 — the reference point every other month on this page is measured against.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, a hat and real sun protection, a packable rain layer.
April in Plain of Jars — reliably good (7th best month)
Good · 7.5/10April averages 24°C (74°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 92 mm, so plan one flexible day in three; you still get about 20 days with 6+ hours of sunshine and 12.4 hours of daylight.
It scores 7.5/10 here, 7th of 12 months, against 9.1/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Flexible dates? March scores 1.6 points higher here — enough to change the trip.
May in Plain of Jars: mixed conditions, plan around the weather
Trade-offs · 6.4/10At 24°C (75°F) this is comfortable city weather in May, with sightseeing easiest before lunch and after the afternoon peak.
139 mm of rain makes this a wet month here, though with about 20 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 6.4/10 on the same scale — 8th of 12 months, versus 9.1/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
If your dates are flexible, March is materially better in Plain of Jars — 2.7 points higher on the same scale.
June in Plain of Jars — middling scores, decent value
Trade-offs · 5.7/10June averages 23°C (74°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
At 195 mm this is a genuinely wet month: about 17 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 5.7/10 here, 10th of 12 months, against 9.1/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Flexible dates? March scores 3.4 points higher here — enough to change the trip.
July in Plain of Jars — middling scores, decent value
Trade-offs · 5.5/10July averages 23°C (73°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
226 mm of rain puts this in monsoon territory — about 17 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 5.5/10 here, 12th of 12 months, against 9.1/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Flexible dates? March scores 3.6 points higher here — enough to change the trip.
August in Plain of Jars — workable with trade-offs
Trade-offs · 5.7/10At 23°C (73°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.
200 mm of rain signals a properly wet month, with only about 15 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 5.7/10 on the same scale — 11th of 12 months, versus 9.1/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
If your dates are flexible, March is materially better in Plain of Jars — 3.4 points higher on the same scale.
September in Plain of Jars — middling scores, decent value
Trade-offs · 5.9/10At 22°C (72°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.
167 mm of rain signals a properly wet month, with only about 15 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 5.9/10 on the same scale — 9th of 12 months, versus 9.1/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
If your dates are flexible, March is materially better in Plain of Jars — 3.2 points higher on the same scale.
October holds up well in Plain of Jars — 6th best month
Good · 8.2/10October averages 21°C (69°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 53 mm, so plan one flexible day in three; you still get about 15 days with 6+ hours of sunshine and 11.5 hours of daylight.
It scores 8.2/10 here, 6th of 12 months, against 9.1/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack light clothing, a hat and real sun protection, a packable rain layer.
November in Plain of Jars — one of the year's strongest windows (4th)
Best window · 8.8/10November averages 19°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 30 mm of rain — occasional showers rather than washed-out days — alongside about 14 days with 6+ hours of sunshine and 11.1 daylight hours.
A 8.8/10 puts this among the year's best months in Plain of Jars (4th of 12); only March scores higher, at 9.1/10.
Plan for peak pricing, with this is one of the busiest months here.
Pack layers you can shed by midday plus one warm layer for the evening.
December in Plain of Jars — one of the year's strongest windows (5th)
Best window · 8.7/10Temperatures hover around 16°C (61°F) — the kind of month where neither heat nor cold forces the schedule.
At just 5 mm for the month, rain will not shape your plans; you get about 12 days with 6+ hours of sunshine and 10.8 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Plain of Jars at 8.7/10 (5th of 12), just behind March at 9.1/10.
Budget for peak pricing, and this is one of the busiest months here.
Pack layers you can shed by midday plus one warm layer for the evening.
