Average annual temperature is 14.8 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -1.0 °C
Number of sunny days: 277 days
Number of rainy days: 88 days
Look at detailed online map of City of San Luis Obispo
* Weather data for City of San Luis Obispo United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 20.3 | 22.3 | 20.4 | 26.9 | 31.3 | 30.0 | 38.3 | 38.0 | 35.1 | 36.1 | 29.7 | 24.5 |
| Average daytime temperature (°C) | 14.6 | 15.1 | 14.0 | 20.4 | 20.1 | 21.4 | 31.1 | 30.2 | 25.4 | 26.9 | 21.5 | 17.8 |
| Average temperature (°C) | 9.0 | 8.5 | 9.0 | 13.3 | 13.9 | 15.3 | 23.1 | 22.1 | 18.4 | 18.2 | 14.0 | 11.6 |
| Average night temperature (°C) | 4.9 | 3.7 | 5.3 | 7.8 | 9.6 | 11.0 | 16.2 | 16.2 | 13.7 | 12.4 | 8.5 | 7.2 |
| Absolute minimum temperature (°C) | -0.6 | -1.0 | 0.3 | 1.8 | 5.7 | 8.3 | 9.9 | 12.0 | 9.0 | 6.0 | 2.7 | 2.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 8.7 | 7.8 | 11.9 | 11.4 | 11.8 | 13.2 | 12.2 | 10.7 | 10.3 | 8.7 | 6.7 |
| Precipitation (mm) | 412 | 119 | 305 | 0 | 18 | 20 | 0 | 0 | 9 | 0 | 31 | 120 |
| Sunny days | 12 | 18 | 10 | 30 | 23 | 25 | 31 | 30 | 25 | 30 | 21 | 22 |
| Rainy days | 19 | 10 | 21 | 0 | 8 | 5 | 0 | 1 | 5 | 1 | 9 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of San Luis Obispo during the most sunny months:
The largest precipitation sum in City of San Luis Obispo is at