Weather temperatures in San Luis Obispo during the time of January is 10 with a general average high of 18 and lows being 5 degrees celsius. We have put some more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 10 |
| High Temperature | 18 |
| Low Temperature | 5 |
Useful Links: San Luis Obispo Weather: Average Weather & Yearly Climate