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 option. April brings intense heat, while high water in the Chao Phraya River can cause flooding in September and October. Flood risk can remain after rainfall decreases because the river 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 hotter and wetter months in the table below. These are historical climate averages: they are not a forecast for your travel dates and do not tell you whether swimming will be possible.
| Month | Travel rating | Temperature | Rainfall | Rainy days | Humidity | Sunshine | Sea conditions |
|---|---|---|---|---|---|---|---|
| January | ++ Very good | 21~34°C | 4 mm | 4 d | 65% | 9 h | Not applicable |
| February | ++ Very good | 23~35°C | 10 mm | 1 d | 63% | 10 h | Not applicable |
| March | ++ Very good | 24~36°C | 50 mm | 6 d | 62% | 9 h | Not applicable |
| April | + Good | 25~37°C | 101 mm | 9 d | 63% | 10 h | Not applicable |
| May | - Not recommended | 25~35°C | 211 mm | 14 d | 70% | 11 h | Not applicable |
| June | ± Average | 25~34°C | 182 mm | 14 d | 74% | 10 h | Not applicable |
| July | - Not recommended | 25~33°C | 228 mm | 18 d | 75% | 8 h | Not applicable |
| August | - Not recommended | 25~33°C | 302 mm | 17 d | 77% | 7 h | Not applicable |
| September | - Not recommended | 25~33°C | 330 mm | 18 d | 80% | 7 h | Not applicable |
| October | - Not recommended | 24~33°C | 162 mm | 20 d | 78% | 7 h | Not applicable |
| November | ++ Very good | 23~33°C | 19 mm | 8 d | 70% | 7 h | Not applicable |
| December | ++ Very good | 21~32°C | 3 mm | 2 d | 65% | 7 h | Not applicable |
| Month | Weather and travel advice |
|---|---|
| January | Dry, pleasant weather brings cool mornings suited to visiting temples. |
| February | Temperatures rise, but conditions remain dry and comfortable for exploring on foot. |
| March | March temperatures range from 24 to 36°C, with 50 mm of rainfall. |
| April | The strongest heat coincides with Songkran. Exploring the ruins can feel particularly hot. |
| May | The rainy season begins with heavy rain. The landscape around the temples turns green. |
| June | This is a rainy period, with intense heat continuing between showers. |
| July | Humid weather brings frequent showers. 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 also rise substantially. |
| October | Even as rain decreases, the river can remain high. A risk of flooding persists. |
| November | Weather becomes more pleasant during the transition to the dry season. |
| December | Dry, cool conditions make this a good month for visiting temples. |