Average annual temperature is 27.8 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 93 days
Number of rainy days: 272 days
Look at detailed online map of Rayong
* Weather data for Rayong 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) | 33.5 | 33.2 | 33.9 | 34.0 | 35.2 | 33.2 | 32.2 | 33.6 | 31.5 | 31.9 | 32.6 | 33.6 |
| Average daytime temperature (°C) | 30.2 | 30.7 | 31.2 | 32.4 | 32.3 | 30.4 | 30.1 | 30.5 | 29.9 | 30.1 | 30.9 | 31.9 |
| Average temperature (°C) | 25.4 | 26.7 | 27.8 | 29.7 | 29.8 | 28.6 | 28.1 | 28.5 | 27.5 | 27.1 | 26.9 | 27.3 |
| Average night temperature (°C) | 21.7 | 23.1 | 25.0 | 27.7 | 27.5 | 26.6 | 26.3 | 26.8 | 25.7 | 24.9 | 23.9 | 23.5 |
| Absolute minimum temperature (°C) | 18.6 | 20.9 | 21.1 | 25.0 | 25.8 | 24.5 | 24.2 | 25.0 | 23.7 | 24.1 | 20.9 | 19.3 |
| 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) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.9 | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 11.4 |
| 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) | 9.9 | 10.5 | 11.0 | 10.7 | 9.9 | 8.7 | 7.4 | 8.8 | 7.3 | 7.9 | 9.6 | 10.1 |
| Precipitation (mm) | 27 | 50 | 24 | 77 | 100 | 222 | 280 | 153 | 403 | 321 | 73 | 37 |
| Sunny days | 24 | 15 | 16 | 6 | 4 | 1 | 4 | 1 | 0 | 0 | 10 | 12 |
| Rainy days | 7 | 13 | 15 | 24 | 27 | 29 | 27 | 30 | 30 | 31 | 20 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rayong is at