Typically, the expected weather in Londonderry in the month of August is 12. Through the month the highs are about 16 and low being around 11. Our table below has the full details:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 16 |
| Low Temperature | 11 |
Useful Links: Londonderry Weather: Average Weather & Yearly Climate