January holds up well in Ayutthaya — 2nd best month
Good · 8.3/10At 26°C (78°F) this is comfortable city weather in January, with sightseeing easiest before lunch and after the afternoon peak.
At just 7 mm for the month, rain will not shape your plans; you get about 21 days with 6+ hours of sunshine and 11.2 hours of daylight.
That is 8.3/10 on the same scale — 2nd of 12 months, versus 8.5/10 for the best month here.
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.
February in Ayutthaya — reliably good (3rd best month)
Good · 7.3/10Days in February average 28°C (83°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
With around 23 mm of rain, any showers tend to pass through rather than settle in; about 20 days with 6+ hours of sunshine and 11.5 hours of daylight fill the rest.
That is 7.3/10 on the same scale — 3rd of 12 months, versus 8.5/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
March in Ayutthaya — workable with trade-offs
Trade-offs · 6.6/10March averages 31°C (87°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 37 mm of rain — occasional showers rather than washed-out days — alongside about 26 days with 6+ hours of sunshine and 11.9 daylight hours.
It scores 6.6/10 here, 5th of 12 months, against 8.5/10 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.
Flexible dates? December scores 1.9 points higher here — enough to change the trip.
April in Ayutthaya — workable with trade-offs
Trade-offs · 6.3/10At 33°C (91°F), April is at its most extreme: early starts are not optional, and afternoons belong indoors.
Budget for roughly 48 mm of rain this month — a flexible day or two helps — with about 28 days with 6+ hours of sunshine and 12.3 hours of daylight to work around it.
That is 6.3/10 on the same scale — 6th of 12 months, versus 8.5/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
If your dates are flexible, December is materially better in Ayutthaya — 2.2 points higher on the same scale.
May in Ayutthaya — off-season conditions
Hardest · 3.4/10May averages 30°C (87°F) and humidity near 71%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 184 mm — wet for this destination — but about 24 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 3.4/10 here, 9th of 12 months, against 8.5/10 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? December scores 5.1 points higher here — enough to change the trip.
June in Ayutthaya — off-season conditions
Hardest · 4.3/10Days in June 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.
132 mm of rain makes this a wet month here, though with about 24 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 4.3/10 on the same scale — 7th of 12 months, versus 8.5/10 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, December is materially better in Ayutthaya — 4.2 points higher on the same scale.
July in Ayutthaya — the hardest end of the year
Hardest · 3.4/10Days in July average 28°C (82°F) and humidity near 83% — 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 232 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 3.4/10 on the same scale — 10th of 12 months, versus 8.5/10 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, December is materially better in Ayutthaya — 5.1 points higher on the same scale.
August in Ayutthaya: expect compromises
Hardest · 3.2/10August averages 28°C (82°F) and humidity near 84%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
248 mm makes this the wettest stretch of the year, though about 21 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 3.2/10 here, 11th of 12 months, against 8.5/10 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? December scores 5.3 points higher here — enough to change the trip.
September in Ayutthaya: expect compromises
Hardest · 3.1/10September averages 27°C (81°F) and humidity near 87%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
355 mm of rain puts this in monsoon territory — about 18 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 3.1/10 here, 12th of 12 months, against 8.5/10 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? December scores 5.4 points higher here — enough to change the trip.
October in Ayutthaya — off-season conditions
Hardest · 3.8/10Days in October average 27°C (81°F) and humidity near 86% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
183 mm of rain signals a properly wet month, with only about 19 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 3.8/10 on the same scale — 8th of 12 months, versus 8.5/10 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, December is materially better in Ayutthaya — 4.7 points higher on the same scale.
November in Ayutthaya — workable with trade-offs
Trade-offs · 6.8/10Days in November average 26°C (79°F) and humidity near 83% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 55 mm of rain this month — a flexible day or two helps — with about 18 days with 6+ hours of sunshine and 11.3 hours of daylight to work around it.
That is 6.8/10 on the same scale — 4th of 12 months, versus 8.5/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
If your dates are flexible, December is materially better in Ayutthaya — 1.7 points higher on the same scale.
December in Ayutthaya — the year's strongest window
Best window · 8.5/10December averages 24°C (76°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 4 mm for the month, with about 20 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 Ayutthaya at 8.5/10 — the reference point every other month on this page is measured against.
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 light clothing, a hat and real sun protection.
