| Region | Country | Area | |||
| Caribbean | St. Lucia | St. Lucia Beaches | |||
| Month   | Dec | Jan | Feb | Mar | Apr |
| Daily Air Temp   | 21-28C 70-82F | 21-28C 70-82F | 21-28C 70-82F | 21-29C 70-84F | 22-31C 72-88F |
| Water Temp   | 26-27C 78-80F | 26-27C 78-80F | 26-27C 78-80F | 26-27C 78-80F | 26-27C 78-80F |
| Monthly Rain   | 198mm 7.8in | 135mm 5.3in | 91mm 3.6in | 97mm 3.8in | 86mm 3.4in |
| Humidity   | 82 | 80 | 79 | 77 | 76 |
| Monthly Averages | |||||