Temperatur
Medeltemperatur havet °C
| Region | Jan | Feb | Mar | Apr | Maj | Jun | Jul | Aug | Sep | Okt | Nov | Dec | |
| Vilamoura | 16.5 | 16.1 | 16 | 17.2 | 18.4 | 20.3 | 21 | 21.6 | 21.4 | 21.3 | 19.2 | 17.5 | |
| Stockholm | 2 | 1 | 1 | 3 | 7.5 | 13.9 | 18 | 18.8 | 14.8 | 10.1 | 7.2 | 4.9 | |
| Oslo | 4.2 | 3.6 | 3 | 6.3 | 10.6 | 14.7 | 17.3 | 17.9 | 15.4 | 11.8 | 9 | 6.2 | |
| Källa: World Sea Temperatures | |||||||||||||
