Average annual temperature is 28.2 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: 17.0 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Ratchaburi
* Weather data for Ratchaburi 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) | 33.1 | 34.5 | 37.5 | 39.7 | 41.4 | 39.4 | 37.3 | 39.2 | 35.2 | 33.4 | 34.0 | 34.4 |
| Average daytime temperature (°C) | 30.2 | 32.4 | 34.4 | 37.3 | 37.8 | 35.4 | 33.9 | 35.6 | 32.7 | 31.4 | 31.8 | 31.7 |
| Average temperature (°C) | 24.7 | 26.7 | 28.2 | 30.9 | 31.4 | 29.7 | 28.9 | 29.7 | 28.0 | 27.1 | 26.8 | 26.7 |
| Average night temperature (°C) | 19.6 | 21.6 | 22.7 | 25.8 | 26.8 | 26.0 | 25.6 | 26.2 | 25.0 | 24.3 | 23.0 | 22.4 |
| Absolute minimum temperature (°C) | 17.0 | 18.7 | 19.8 | 23.7 | 24.9 | 24.5 | 24.7 | 24.6 | 24.0 | 23.4 | 18.9 | 18.6 |
| 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 | 12.4 | 12.8 | 12.9 | 12.8 | 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) | 10.2 | 10.1 | 10.9 | 10.9 | 10.8 | 8.4 | 7.6 | 8.2 | 7.7 | 7.8 | 9.8 | 10.3 |
| Precipitation (mm) | 2 | 36 | 20 | 35 | 99 | 157 | 171 | 179 | 342 | 249 | 86 | 51 |
| Sunny days | 26 | 15 | 18 | 15 | 3 | 2 | 1 | 1 | 0 | 0 | 9 | 17 |
| Rainy days | 5 | 13 | 13 | 15 | 28 | 28 | 30 | 30 | 30 | 31 | 21 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ratchaburi is at