Ayutthaya weather in April

April in Ayutthaya: sweltering, a little rain, with poor air quality — not the time — 42°C afternoons.

Updated September 2026 · climate normals from ERA5 reanalysis

Ayutthaya🇹🇭 Thailand · Central Thailand · City48
  1. 78Jan
  2. 72Feb
  3. 59Mar
  4. 48Apr
  5. 46May
  6. 58Jun
  7. 55Jul
  8. 54Aug
  9. 44Sep
  10. 56Oct
  11. 70Nov
  12. 80Dec

#10 of 12 months in Ayutthaya · #1356 of 1413 destinations to visit in April · comfort 48/100 (tier F)

Days
37°C
Nights
26°C
Wet days
11
Sun
10.8 h
Humidity
67%
Daylight
13 h
Ayutthaya, Thailand
Photo: Alberto Capparelli · Pexels

Traveller notes on Ayutthaya in April

Notes from nearby Bangkok (67 km away)

Ayutthaya doesn't have its own notes for April yet — these are about Bangkok, close enough to share the season.

Bangkok-forum regulars are close to unanimous about April: it is the month they avoid. One writes that April is definitely their least favourite month to visit, "too damn hot", another lists March through May as brutally hot, and the standing recommendation is mid-October through December, when the weather settles and the crowds thin. Songkran splits opinion - regulars point out you can stay dry by avoiding the bar districts and the moat, while others simply leave town for the week. April's record: 36.2C days, 27.6C nights, humidity around 71 percent, nine precipitation days and 10.8 hours of sun, with AQI near 109.
SukhumvitShadeSeeker · April · 1 month ago · about Bangkok · Read more on Tripadvisor ↗

Other months in Ayutthaya

Thailand's forum is consistent that June sits in a relative lull between the wetter bookends of May and September - it's still hot and humid nationwide, and Ayutthaya specifically gets called out as brutal around midday, but the rain itself is usually a shower rather than an all-day event. Forum regulars who visited Ayutthaya in June had a genuinely good time, describing it as hot and humid with manageable showers rather than a washout. The advice that comes up again and again is to tour the temple ruins early in the morning and save the hottest hours for indoor breaks.
CentralThailandTempleHopper · June · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe December as highly predictable and among the most pleasant months across central Thailand generally, with hot daytime temperatures (commonly reaching into the low 30sC), clear skies and minimal rain, while evenings cool into the low-20s or even high-teensC - genuinely comfortable by regional standards. This makes December squarely inside Thailand's cool, dry high season, good conditions for exploring Ayutthaya's outdoor temple ruins on foot without the wet-season rain risk. The clear tradeoff posters note for the broader region this time of year: December is also peak tourist season, so popular sites and accommodations get busy and should be booked ahead.
Tripadvisor community · December · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Ayutthaya's card on the map.

Ayutthaya climate normals — April

Daytime high37°C / 98°F🔥 sweltering
Nighttime low26°C / 78°F
Feels like (high)42°C / 108°F
Rainfall66 mm / 2.6 in🌦 some rain
Rainy days11 days
Humidity67%💧 humid
Dew point24°C / 75°F
Sunshine10.8 h/day
Daylight12.5 h
Wind13 km/h / 8 mph
Air quality (US AQI)135😷 poor

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Ayutthaya in April

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsSongkran, Long summer break in Thailand, school holidays in 3 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Ayutthaya's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherAyutthaya's weather peaks December–February.

April coincides with Central plains burning haze.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Ayutthaya in April

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Hazard

    Central plains burning haze

    20 Jan – 15 Apr · usuallySmoke season

    Cane and stubble fires around the central provinces put a flat grey ceiling over the island for weeks. It is not the northern kind of haze, but the horizon goes and so does the sunrise. Source ↗

  • Festival

    Songkran

    13–15 AprWater-festival New YearCrowdedClosures

    Three days of water in the streets, and the Ayutthaya version puts elephants in the middle of it. Temples stay open; getting anywhere by road does not stay easy. Source ↗

What's on around the world in April →

Nearby, and something's on

Within 300 km of Ayutthaya — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Ayutthaya?

Loading map…

Ayutthaya in April — FAQ

Is April a good time to visit Ayutthaya?
April in Ayutthaya: sweltering, a little rain, with poor air quality — not the time — 42°C afternoons. It ranks #10 of 12 months for Ayutthaya on SeasonMap's comfort score (48/100).
What is the weather like in Ayutthaya in April?
In April, Ayutthaya averages a daily high of 36.9°C and a low of 25.7°C, with about 66 mm of rain over roughly 11.1 rainy days.
What is the air quality in Ayutthaya in April?
Ayutthaya has a mean US Air Quality Index of about 135 in April.

Within 300 km: Bangkok's Songkran on 13–15 Apr, and Pattaya's Songkran on 13–15 Apr.