Average annual temperature is 28.3 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 16.6 °C
Number of sunny days: 132
Number of rainy days: 233
Number of snow days:
Average annual precipitation: 1740 mm
Look at detailed online map of Phra Nakhon Si Ayutthaya
* Weather data for Phra Nakhon Si Ayutthaya Thailand is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.9 | 34.5 | 38 | 39.7 | 39.7 | 37 | 34.9 | 35.8 | 33.2 | 33.1 | 32.9 | 34 |
| Average daytime temperature (°C) | 30.9 | 32.4 | 35.1 | 36.9 | 36 | 33.8 | 33 | 33.9 | 31.7 | 31.4 | 31 | 31.8 |
| Average temperature (°C) | 25.6 | 27 | 29.2 | 31.3 | 30.9 | 29.2 | 28.9 | 28.7 | 27.5 | 27.5 | 26.9 | 27.2 |
| Average night temperature (°C) | 20.5 | 22.1 | 24.2 | 26.9 | 26.8 | 26.2 | 25.9 | 25.7 | 24.9 | 24.7 | 23.7 | 22.8 |
| Absolute minimum temperature (°C) | 16.6 | 17.9 | 20.1 | 25 | 24.4 | 25 | 24.4 | 24.6 | 23.6 | 23.8 | 20.6 | 17.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.5 | 11.9 | 12.3 | 12.6 | 12.9 | 13 | 13 | 12.8 | 12.4 | 12 | 11.6 | 11.3 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 13 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| Daylight minimum duration (h) | 11.3 | 11.5 | 11.9 | 12.3 | 12.7 | 12.9 | 12.8 | 12.4 | 12 | 11.6 | 11.4 | 11.3 |
| Sunshine mean duration (h) | 9.8 | 10.4 | 10.9 | 10.7 | 10.7 | 8.8 | 8.6 | 8.9 | 7.5 | 8.2 | 9.8 | 10 |
| Precipitation (mm) | 2 | 58 | 3 | 58 | 110 | 257 | 169 | 297 | 415 | 304 | 59 | 7 |
| Sunny days | 25 | 18 | 23 | 14 | 8 | 3 | 1 | 1 | 3 | 16 | 20 | |
| Rainy days | 6 | 10 | 8 | 16 | 23 | 27 | 30 | 30 | 30 | 28 | 14 | 11 |
The largest precipitation sum in Phra Nakhon Si Ayutthaya is at