Frequently the weather in Cannes through August is 20. Highs are around 27 with lows around 17 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 20 |
| High Temperature | 27 |
| Low Temperature | 17 |
| Sunshine Per Day | 9 |
Useful Links: Cannes Weather: Average Weather & Yearly Climate