Porthleven
| Dj | Dv | Ds | Dg | Dl | Dm | Dc | Dj | |
|---|---|---|---|---|---|---|---|---|
| Vent |  | | | | | | | |
| Direcció | | | | | | | | |
| Mitjana (kn) | 4 | 12 | 17 | 16 | 17 | 11 | 9 | 13 |
| Ràfega (kn) | 5 | 14 | 23 | 20 | 19 | 11 | 8 | 14 |
| Onades | | | | | | | | |
| Direcció | | | | | | | | |
| Alçada (m) | 1 | 0.9 | 2.2 | 2.4 | 1.8 | 1.1 | 0.7 | 0.6 |
| Període (s) | 9 | 9 | 11 | 10 | 9 | 8 | 7 | 10 |
| Temp. | 15 | 17 | 17 | 15 | 17 | 19 | 19 | 19 |
| Núvols | 17 | 100 | 100 | 100 | 2 | 39 | ||
| Pluja | 0.4 | 0.4 |