Average annual temperature is 28.4 °C
Absolute maximum temperature: 40.4 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 123 days
Number of rainy days: 242 days
Look at detailed online map of Sai Yai
* Weather data for Sai Yai Thailand is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.0 | 35.1 | 38.4 | 40.2 | 40.4 | 38.8 | 36.0 | 38.3 | 34.2 | 33.2 | 33.7 | 33.8 |
| Average daytime temperature (°C) | 30.9 | 32.5 | 35.0 | 37.1 | 36.5 | 34.8 | 33.6 | 34.9 | 32.5 | 31.7 | 31.6 | 31.8 |
| Average temperature (°C) | 25.5 | 27.1 | 29.1 | 31.2 | 31.0 | 29.6 | 29.1 | 29.1 | 27.8 | 27.5 | 27.2 | 27.1 |
| Average night temperature (°C) | 20.5 | 22.2 | 24.1 | 26.7 | 27.0 | 26.2 | 25.9 | 25.7 | 25.0 | 24.4 | 23.6 | 22.6 |
| Absolute minimum temperature (°C) | 17.2 | 18.5 | 20.7 | 24.8 | 24.2 | 24.9 | 24.6 | 24.6 | 23.6 | 23.6 | 20.5 | 17.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 12.9 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.0 | 10.1 | 10.8 | 10.8 | 10.5 | 8.1 | 8.6 | 8.4 | 7.5 | 8.3 | 9.7 | 10.2 |
| Precipitation (mm) | 4 | 43 | 14 | 56 | 101 | 232 | 163 | 269 | 369 | 247 | 33 | 26 |
| Sunny days | 26 | 19 | 18 | 13 | 7 | 2 | 0 | 1 | 0 | 0 | 15 | 22 |
| Rainy days | 5 | 9 | 13 | 17 | 24 | 28 | 31 | 30 | 30 | 31 | 15 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sai Yai is at