January in Wat Phou — the year's strongest window
Best window · 9/10January averages 24°C (75°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rain is a non-issue at 12 mm for the month, with about 23 days with 6+ hours of sunshine and 11.2 hours of daylight to work with.
On our climate-comfort scale this is the top-ranked month of the year for Wat Phou at 9/10 — the reference point every other month on this page is measured against.
Figure on 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 light clothing, a hat and real sun protection.
February holds up well in Wat Phou — 4th best month
Good · 8/10February averages 27°C (81°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rain is a non-issue at 11 mm for the month, with about 22 days with 6+ hours of sunshine and 11.5 hours of daylight to work with.
It scores 8/10 here, 4th of 12 months, against 9/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
March in Wat Phou — reliably good (5th best month)
Good · 7/10Days in March average 30°C (86°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
With around 31 mm of rain, any showers tend to pass through rather than settle in; about 25 days with 6+ hours of sunshine and 11.9 hours of daylight fill the rest.
That is 7/10 on the same scale — 5th of 12 months, versus 9/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
If your dates are flexible, January is materially better in Wat Phou — 2 points higher on the same scale.
April in Wat Phou — off-season conditions
Hardest · 4.8/10April averages 31°C (87°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 101 mm — wet for this destination — but about 23 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.8/10 here, 6th of 12 months, against 9/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? January scores 4.2 points higher here — enough to change the trip.
May in Wat Phou — the hardest end of the year
Hardest · 3.1/10Days in May average 29°C (84°F) and humidity near 77% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 243 mm, but with about 21 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 3.1/10 on the same scale — 11th of 12 months, versus 9/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, January is materially better in Wat Phou — 5.9 points higher on the same scale.
June in Wat Phou: expect compromises
Hardest · 3.6/10June averages 27°C (80°F) and humidity near 87%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
224 mm makes this the wettest stretch of the year, though about 20 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 3.6/10 here, 8th of 12 months, against 9/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? January scores 5.4 points higher here — enough to change the trip.
July in Wat Phou: expect compromises
Hardest · 3.3/10July averages 26°C (80°F) and humidity near 89%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
408 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 3.3/10 here, 9th of 12 months, against 9/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? January scores 5.7 points higher here — enough to change the trip.
August in Wat Phou — off-season conditions
Hardest · 3.3/10Days in August average 27°C (80°F) and humidity near 89% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Expect monsoon-level rainfall at 308 mm: only about 19 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 3.3/10 on the same scale — 10th of 12 months, versus 9/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, January is materially better in Wat Phou — 5.7 points higher on the same scale.
September in Wat Phou — the hardest end of the year
Hardest · 3.1/10Days in September average 26°C (79°F) and humidity near 89% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Expect monsoon-level rainfall at 402 mm: only about 14 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 3.1/10 on the same scale — 12th of 12 months, versus 9/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, January is materially better in Wat Phou — 5.9 points higher on the same scale.
October in Wat Phou — off-season conditions
Hardest · 4.7/10October averages 26°C (78°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
At 132 mm this is a genuinely wet month: about 18 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 4.7/10 here, 7th of 12 months, against 9/10 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? January scores 4.3 points higher here — enough to change the trip.
November in Wat Phou: strong conditions, 3rd of 12
Good · 8.2/10November averages 25°C (76°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Expect 19 mm of rain — occasional showers rather than washed-out days — alongside about 19 days with 6+ hours of sunshine and 11.3 daylight hours.
It scores 8.2/10 here, 3rd of 12 months, against 9/10 in the destination's best month.
Figure on peak pricing, with crowds are moderate. 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.
December ranks 2nd of 12 for Wat Phou — one of the best windows
Best window · 8.8/10At 24°C (75°F) this is comfortable city weather in December, with sightseeing easiest before lunch and after the afternoon peak.
With around 22 mm of rain, any showers tend to pass through rather than settle in; about 20 days with 6+ hours of sunshine and 11.1 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for Wat Phou at 8.8/10 (2nd of 12), just behind January at 9/10.
Expect 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.
