Ayutthaya: monthly weather and climate
Ayutthaya · Central Thailand · near Bangkok
For exploring Ayutthaya's temples and ruins on foot, the cooler mornings of the November–February dry season are a good choice. April brings intense heat. In September and October, the Chao Phraya River can rise and cause flooding. Flood risk can remain even after rain eases because river levels may still be high.
4 mmJan10 mmFeb50 mmMar101 mmApr211 mmMay182 mmJun228 mmJul302 mmAug330 mmSep162 mmOct19 mmNov3 mmDec
When are the dry and rainy seasons?
- Best time to visit
- Nov–Feb
- Dry season
- Nov–Feb
- Rainy season
- May–Oct
- Hottest month
- Apr (37°C)
- Wettest month
- Sep (330 mm)
Monthly weather and climate
Compare the table below to see which months are hotter or wetter. These are historical climate averages; they do not provide a forecast for your travel dates or tell you whether swimming will be permitted or safe.
| Month | Travel rating | Temperature | Rainfall | Rainy days | Humidity | Sunshine hours | Sea conditions |
|---|---|---|---|---|---|---|---|
| January | ++ Very good | 21~34°C | 4 mm | 4 days | 65% | 9 hours | Not applicable |
| February | ++ Very good | 23~35°C | 10 mm | 1 days | 63% | 10 hours | Not applicable |
| March | ++ Very good | 24~36°C | 50 mm | 6 days | 62% | 9 hours | Not applicable |
| April | + Good | 25~37°C | 101 mm | 9 days | 63% | 10 hours | Not applicable |
| May | - Not recommended | 25~35°C | 211 mm | 14 days | 70% | 11 hours | Not applicable |
| June | ± Average | 25~34°C | 182 mm | 14 days | 74% | 10 hours | Not applicable |
| July | - Not recommended | 25~33°C | 228 mm | 18 days | 75% | 8 hours | Not applicable |
| August | - Not recommended | 25~33°C | 302 mm | 17 days | 77% | 7 hours | Not applicable |
| September | - Not recommended | 25~33°C | 330 mm | 18 days | 80% | 7 hours | Not applicable |
| October | - Not recommended | 24~33°C | 162 mm | 20 days | 78% | 7 hours | Not applicable |
| November | ++ Very good | 23~33°C | 19 mm | 8 days | 70% | 7 hours | Not applicable |
| December | ++ Very good | 21~32°C | 3 mm | 2 days | 65% | 7 hours | Not applicable |
| Month | Weather and travel advice |
|---|---|
| January | The weather is dry and pleasant. Cooler mornings are a good time to explore the temples. |
| February | Temperatures rise, but conditions remain dry and comfortable for exploring on foot. |
| March | March temperatures range from 24 to 36°C, with rainfall of 50 mm. |
| April | This is the hottest month and coincides with Songkran. The heat is intense when visiting the ruins. |
| May | The rainy season begins with heavy rain. The landscape around the temples turns green. |
| June | This is a rainy period. The heat remains intense even between showers. |
| July | Humid weather brings frequent showers, and lush greenery surrounds the ruins. |
| August | Humidity is high. Heavy rain can cause flooding in some areas. |
| September | This is the wettest month. Water levels in the Chao Phraya River can rise considerably. |
| October | Rain decreases, but river levels can remain high. There is still a risk of flooding. |
| November | The weather becomes more pleasant as the dry season approaches. |
| December | The weather is dry and cool, making this a good month to visit temples. |