Average annual temperature is 27.8 °C
Absolute maximum temperature: 31.1 °C
Absolute minimum temperature: 22.0 °C
Number of sunny days: 67 days
Number of rainy days: 298 days
Look at detailed online map of Old Man Bay
* Weather data for Old Man Bay Cayman Islands is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 27.5 | 27.2 | 27.5 | 29.0 | 29.8 | 30.2 | 31.0 | 31.1 | 31.0 | 31.1 | 29.5 | 28.7 |
| Average daytime temperature (°C) | 26.7 | 26.7 | 26.8 | 27.7 | 28.7 | 29.6 | 30.3 | 30.6 | 30.3 | 29.9 | 28.7 | 27.5 |
| Average temperature (°C) | 26.0 | 26.1 | 26.0 | 27.0 | 27.6 | 28.6 | 29.6 | 29.6 | 29.3 | 29.0 | 28.0 | 26.7 |
| Average night temperature (°C) | 25.3 | 25.3 | 25.2 | 26.0 | 26.2 | 27.1 | 28.2 | 27.9 | 27.7 | 27.6 | 27.1 | 25.6 |
| Absolute minimum temperature (°C) | 22.0 | 24.1 | 22.6 | 22.8 | 23.5 | 23.9 | 25.8 | 25.5 | 24.1 | 25.7 | 25.5 | 22.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.3 | 10.7 | 10.9 | 11.5 | 11.2 | 10.5 | 11.9 | 10.7 | 10.2 | 10.2 | 9.8 | 8.6 |
| Precipitation (mm) | 18 | 17 | 69 | 21 | 125 | 141 | 66 | 127 | 153 | 106 | 63 | 91 |
| Sunny days | 12 | 9 | 6 | 8 | 5 | 6 | 2 | 4 | 3 | 3 | 4 | 5 |
| Rainy days | 19 | 19 | 25 | 22 | 26 | 24 | 29 | 27 | 27 | 28 | 26 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Old Man Bay is at