| Region | Country | Area | |||
| Caribbean | Cayman Islands | Cayman Beaches | |||
| Month   | Dec | Jan | Feb | Mar | Apr |
| Daily Air Temp   | 23-28C 74-82F | 22-27C 72-80F | 22-27C 72-80F | 23-28C 74-82F | 24-28C 75-83F |
| Water Temp   | 25-28C 78-82F | 25-28C 78-82F | 25-28C 78-82F | 25-28C 78-82F | 25-28C 78-82F |
| Monthly Rain   | 76mm 3.0in | 50mm 2.0in | 47mm 1.8in | 36mm 1.4in | 43mm 1.7in |
| Humidity   | 80 | 79 | 77 | 77 | 76 |
| Monthly Averages | |||||