Typically the average temperate in Chepstow for the month of December is 6 with a general average high of 7 with low of 2. See our table below for a full breakdown:
| Month | Degrees Celsius |
|---|---|
| Temperature | 6 |
| High Temperature | 7 |
| Low Temperature | 2 |
Useful Links: Chepstow Weather: Average Weather & Yearly Climate