Frequent temperatures in St Austell during the time of January is 5. Highs are around 9 with low daily temperautes being 5 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 5 |
| High Temperature | 9 |
| Low Temperature | 5 |
Useful Links: St Austell Weather: Average Weather & Yearly Climate