Generally, you can anticipate the weather in Locarno right-through January is 5 with a normal high in the month being 6 with lows around 1 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 5 |
| High Temperature | 6 |
| Low Temperature | 1 |
| Sunshine Per Day | 3 |
Useful Links: Locarno Weather: Average Weather & Yearly Climate