Porthleven
| Dj | Dv | Ds | Dg | Dl | Dm | Dc | Dj | |
|---|---|---|---|---|---|---|---|---|
| Vent |  | | | | | | | |
| Direcció | | | | | | | | |
| Mitjana (kn) | 14 | 10 | 12 | 21 | 19 | 22 | 17 | 12 |
| Ràfega (kn) | 16 | 10 | 13 | 26 | 23 | 27 | 21 | 20 |
| Onades | | | | | | | | |
| Direcció | | | | | | | | |
| Alçada (m) | 0.8 | 2 | 1.7 | 1.9 | 1.4 | 2.9 | 2.2 | 1.4 |
| Període (s) | 8 | 11 | 12 | 7 | 13 | 8 | 11 | 9 |
| Temp. | 10 | 9 | 11 | 8 | 12 | 10 | 11 | 10 |
| Núvols | 97 | 100 | 100 | 100 | 89 | 100 | 100 | 91 |
| Pluja | 0.1 | 0.9 | 0.1 | 7.7 | 0.2 | 5.3 | 0.2 |