Average annual temperature is 24.6 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: 5.9 °C
Number of sunny days: 120 days
Number of rainy days: 245 days
Look at detailed online map of Shell Island
* Weather data for Shell Island United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.4 | 29.1 | 31.8 | 32.2 | 33.4 | 32.4 | 35.7 | 35.0 | 33.7 | 32.4 | 31.2 | 27.9 |
| Average daytime temperature (°C) | 23.9 | 26.7 | 27.5 | 28.8 | 30.0 | 30.4 | 32.9 | 32.5 | 31.5 | 29.5 | 27.3 | 22.9 |
| Average temperature (°C) | 19.4 | 22.2 | 23.2 | 24.4 | 25.8 | 27.1 | 28.9 | 28.6 | 27.5 | 25.3 | 22.7 | 19.5 |
| Average night temperature (°C) | 15.8 | 18.6 | 19.3 | 20.5 | 21.5 | 24.0 | 25.3 | 25.4 | 24.1 | 21.8 | 19.1 | 16.8 |
| Absolute minimum temperature (°C) | 5.9 | 10.9 | 11.8 | 16.9 | 17.1 | 20.9 | 23.6 | 23.6 | 22.2 | 14.0 | 11.0 | 10.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.5 | 10.9 | 10.5 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.1 | 10.1 | 10.7 | 11.1 | 12.4 | 12.0 | 11.3 | 10.6 | 10.3 | 9.9 | 8.9 | 6.9 |
| Precipitation (mm) | 11 | 10 | 24 | 68 | 48 | 161 | 94 | 159 | 149 | 52 | 88 | 133 |
| Sunny days | 20 | 19 | 16 | 5 | 10 | 4 | 4 | 0 | 0 | 15 | 16 | 11 |
| Rainy days | 11 | 9 | 15 | 25 | 21 | 26 | 27 | 31 | 30 | 16 | 14 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Shell Island is at