The temperatures in San Luis Obispo in December are quite cold with temperatures between 7°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in San Luis Obispo during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in San Luis Obispo in December 2024.
If you’re planning to visit San Luis Obispo in the near future, we highly recommend that you review the 14 day weather forecast for San Luis Obispo before you arrive.
Temperatures
16° / 7°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
65
mm
Sun Hours
8.8
Hrs