Normally the average daily weather in Mullion in the month of January is 5 with a general average high of 9 and typical average low being around 5 degrees. For more context we have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 5 |
| High Temperature | 9 |
| Low Temperature | 5 |
Useful Links: Mullion Weather: Average Weather & Yearly Climate