Average annual temperature is 27.0 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 12.9 °C
Number of sunny days: 131 days
Number of rainy days: 234 days
Look at detailed online map of Sai Yoi
* Weather data for Sai Yoi 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) | 30.3 | 34.7 | 38.1 | 40.9 | 40.7 | 37.1 | 36.6 | 36.3 | 34.3 | 33.1 | 32.5 | 33.5 |
| Average daytime temperature (°C) | 28.4 | 32.3 | 34.5 | 38.4 | 35.4 | 33.1 | 33.5 | 32.3 | 30.5 | 30.4 | 31.0 | 30.5 |
| Average temperature (°C) | 22.1 | 25.5 | 27.6 | 31.4 | 29.6 | 28.2 | 28.3 | 27.6 | 26.6 | 26.3 | 25.7 | 24.6 |
| Average night temperature (°C) | 16.4 | 19.4 | 21.6 | 25.4 | 25.3 | 24.9 | 24.7 | 24.3 | 24.0 | 23.3 | 21.3 | 19.6 |
| Absolute minimum temperature (°C) | 12.9 | 15.6 | 18.8 | 23.5 | 23.5 | 24.1 | 23.6 | 23.3 | 22.9 | 21.6 | 18.4 | 14.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.0 | 10.7 | 10.4 | 11.1 | 10.8 | 9.2 | 9.4 | 7.6 | 7.4 | 9.0 | 9.9 | 10.1 |
| Precipitation (mm) | 6 | 6 | 25 | 33 | 160 | 238 | 165 | 169 | 433 | 210 | 45 | 4 |
| Sunny days | 28 | 21 | 23 | 20 | 3 | 0 | 0 | 1 | 0 | 1 | 16 | 18 |
| Rainy days | 3 | 7 | 8 | 10 | 28 | 30 | 31 | 30 | 30 | 30 | 14 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sai Yoi is at