Normally average temperatures in Harlech right-through August is 14. Highs are expected to be 18 with low average temperatures being 13 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 14 |
| High Temperature | 18 |
| Low Temperature | 13 |
Useful Links: Harlech Weather: Average Weather & Yearly Climate