Usually average temperatures are Shannon throughout August is 14 with usual highs being around 19 and low of 13 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 14 |
| High Temperature | 19 |
| Low Temperature | 13 |
| Sunshine Per Day | 6 |
Useful Links: Shannon Weather: Average Weather & Yearly Climate