Average annual temperature is 26.7 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: 20.7 °C
Number of sunny days: 48 days
Number of rainy days: 317 days
Look at detailed online map of Key
* Weather data for Key Saint Kitts and Nevis is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 26.9 | 26.9 | 27.8 | 28.7 | 29.8 | 30.6 | 31.0 | 32.3 | 32.2 | 30.8 | 30.2 | 29.4 |
| Average daytime temperature (°C) | 26.1 | 26.0 | 26.8 | 27.1 | 29.0 | 30.0 | 30.1 | 30.5 | 31.3 | 29.5 | 29.1 | 28.1 |
| Average temperature (°C) | 24.5 | 24.3 | 24.7 | 25.1 | 27.0 | 28.0 | 28.2 | 28.4 | 29.0 | 27.8 | 27.4 | 26.2 |
| Average night temperature (°C) | 22.9 | 22.8 | 22.9 | 23.4 | 25.4 | 26.2 | 26.5 | 26.6 | 27.0 | 26.0 | 25.9 | 24.7 |
| Absolute minimum temperature (°C) | 21.5 | 21.7 | 20.7 | 20.7 | 22.9 | 24.5 | 25.0 | 25.0 | 25.4 | 24.3 | 24.1 | 22.9 |
| 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) | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.3 | 10.8 | 11.2 | 11.5 | 11.7 | 11.6 | 11.2 | 10.6 | 11.4 | 9.2 | 10.1 | 10.1 |
| Precipitation (mm) | 62 | 48 | 36 | 97 | 48 | 72 | 58 | 82 | 44 | 226 | 28 | 38 |
| Sunny days | 2 | 2 | 6 | 1 | 5 | 5 | 2 | 3 | 4 | 2 | 5 | 11 |
| Rainy days | 29 | 26 | 25 | 29 | 26 | 25 | 29 | 28 | 26 | 29 | 25 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Key is at