Town in Phra Nakhon Si Ayutthaya, Thailand
Ayutthaya weather by month and the best time to visit
When to go to Ayutthaya
Nov–Feb is cooler and drier. Mar–May is very hot. Jun–Oct is rainy with flood risk in Sep–Oct. Weekends bring Bangkok day-trippers.
Ayutthaya weather by month
Average daily high, rainfall and conditions.
- Jan32°12 mm
- Feb36°11 mm
- Mar37°44 mm
- Apr37°73 mm
- May34°155 mm
- Jun32°156 mm
- Jul32°161 mm
- Aug31°179 mm
- Sep30°277 mm
- Oct30°181 mm
- Nov30°32 mm
- Dec30°9 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 32°C90°F | 20°C67°F | 12 mm | 60% | Pleasant |
| February | 36°C96°F | 22°C72°F | 11 mm | 56% | Hot |
| March | 37°C99°F | 24°C76°F | 44 mm | 58% | Very hot |
| April | 37°C99°F | 26°C78°F | 73 mm | 62% | Very hot |
| May | 34°C94°F | 26°C78°F | 155 mm | 73% | Hot |
| June | 32°C90°F | 25°C76°F | 156 mm | 79% | Hot & humid |
| July | 32°C89°F | 24°C75°F | 161 mm | 80% | Rainy |
| August | 31°C88°F | 24°C75°F | 179 mm | 82% | Rainy |
| September | 30°C87°F | 24°C75°F | 277 mm | 86% | Rainy |
| October | 30°C87°F | 23°C74°F | 181 mm | 84% | Rainy |
| November | 30°C87°F | 21°C70°F | 32 mm | 79% | Pleasant |
| December | 30°C87°F | 19°C66°F | 9 mm | 68% | Pleasant |
Best months across Thailand
| Place | Best months | Warmest month |
|---|---|---|
| Bangkok | Nov–Feb | Mar (36°C) |
| Phuket | Nov–Mar | Mar (30°C) |
| Chiang Mai | Nov–Jan | Apr (37°C) |
| Koh Samui | Jan–Apr, Jul–Aug | May (30°C) |
| Krabi | Nov–Mar | Mar (31°C) |
| Koh Phi Phi | Nov–Mar | Apr (30°C) |
| Koh Phangan | Jan–Apr, Jul–Aug | May (27°C) |
| Pai | Nov–Feb | Apr (35°C) |
| Pattaya | Nov–Feb | Apr (31°C) |
| Koh Tao | Feb–Aug | May (29°C) |
| Patong | Nov–Apr | Mar (30°C) |
| Hua Hin | Nov–Mar | Apr (33°C) |
| Chiang Rai | Nov–Feb | Apr (35°C) |
| Ayutthaya | Nov–Feb | Mar (37°C) |
| Koh Lanta | Nov–Apr | Apr (29°C) |
| Railay | Nov–Mar | Mar (31°C) |
| Kanchanaburi | Nov–Feb | Apr (37°C) |
| Koh Chang | Nov–Feb | Apr (30°C) |
| Khao Lak | Nov–Mar | Mar (31°C) |
| Koh Samet | Nov–Mar | Apr (30°C) |
| Koh Lipe | Nov–Mar | Apr (30°C) |
| Khao Yai | Nov–Feb | Apr (34°C) |
| Khao Sok | Dec–Apr | Apr (32°C) |
| Sukhothai | Nov–Feb | Apr (38°C) |
| Hat Yai | Jan–Apr | Apr (31°C) |
| Kata Beach | Nov–Mar | Mar (30°C) |
| Jomtien | Nov–Feb | Apr (31°C) |
| Rawai | Nov–Mar | Mar (30°C) |
| Udon Thani | Nov–Feb | Apr (37°C) |
| Koh Kood | Nov–Mar | May (30°C) |
Quick answers
What is the best month to visit Ayutthaya?
Nov–Feb. Nov–Feb is cooler and drier. Mar–May is very hot. Jun–Oct is rainy with flood risk in Sep–Oct. Weekends bring Bangkok day-trippers.
When is the rainy season in Ayutthaya?
Rain peaks in September with about 277 mm. Months with 150 mm or more: May–Oct.
What is the hottest month in Ayutthaya?
March, with average highs of 37°C (99°F).
How cold does Ayutthaya get?
The coolest nights are in December, averaging 19°C (66°F).
More about Ayutthaya
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Sources
- NASA POWER climatology (2001–2020)
- Tourism Authority of Thailand
- State Railway of Thailand
- Fine Arts Department of Thailand
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.