Normally the average weather in Treorchy during the month of January is 7. Average highs are typically 8 and lows around 3 degrees. We have put some more details below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 8 |
| Low Temperature | 3 |
Useful Links: Treorchy Weather: Average Weather & Yearly Climate