Frequently the average temperatures in Harbour Island right through the month of August is 29, with highs being around 33 and low average expected to be 26. See our table below for a full breakdown:
| Month | Degrees Celsius |
|---|---|
| Temperature | 29 |
| High Temperature | 33 |
| Low Temperature | 26 |
Useful Links: Harbour Island Weather: Average Weather & Yearly Climate