Usually the average weather in San Luis Obispo throughout March is 11 with a general average high of 19 degrees celsius with a low of 7. We have provided a clearer breakdown here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 11 |
| High Temperature | 19 |
| Low Temperature | 7 |
Useful Links: San Luis Obispo Weather: Average Weather & Yearly Climate