Average annual temperature is 13.3 °C
Absolute maximum temperature: 21.0 °C
Absolute minimum temperature: 2.5 °C
Number of sunny days: 25 days
Number of rainy days: 340 days
Look at detailed online map of San Luis Viejo
* Weather data for San Luis Viejo Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.7 | 19.1 | 19.7 | 20.6 | 21.0 | 20.6 | 19.8 | 19.8 | 19.7 | 19.6 | 19.0 | 18.6 |
| Average daytime temperature (°C) | 16.6 | 17.6 | 18.1 | 18.9 | 19.0 | 18.8 | 18.1 | 18.1 | 18.3 | 17.9 | 17.8 | 17.0 |
| Average temperature (°C) | 11.3 | 12.0 | 12.9 | 14.2 | 14.5 | 15.0 | 13.8 | 13.8 | 13.5 | 13.8 | 13.4 | 11.8 |
| Average night temperature (°C) | 6.3 | 7.0 | 7.9 | 9.4 | 9.9 | 11.0 | 10.3 | 10.2 | 9.7 | 10.4 | 10.0 | 7.3 |
| Absolute minimum temperature (°C) | 3.9 | 3.9 | 6.5 | 7.3 | 7.4 | 9.4 | 8.0 | 8.8 | 8.4 | 6.9 | 8.1 | 2.5 |
| 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) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.5 | 10.8 | 11.1 | 11.5 | 11.4 | 11.3 | 10.5 | 10.6 | 10.6 | 10.1 | 9.8 | 9.9 |
| Precipitation (mm) | 47 | 41 | 118 | 165 | 197 | 235 | 415 | 391 | 364 | 221 | 78 | 18 |
| Sunny days | 2 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 12 |
| Rainy days | 29 | 21 | 31 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Luis Viejo is at