Normally the average weather in Catalina throughout the duration of December is 23 with a general average high of 27 and lows being 23 degrees. For more context we have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 23 |
| High Temperature | 27 |
| Low Temperature | 23 |
Useful Links: Catalina Weather: Average Weather & Yearly Climate