Monthly Butternut Key water temperature chart
The bar chart below shows the average monthly sea temperatures at Butternut Key over the year.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 22.6 | 22.5 | 23.6 | 25.7 | 27.2 | 28.6 | 29.7 | 30.4 | 29.7 | 28.2 | 25.9 | 24.1 |
°F | 72.7 | 72.5 | 74.5 | 78.3 | 81 | 83.5 | 85.5 | 86.7 | 85.5 | 82.8 | 78.6 | 75.4 |
Monthly average max / min water temperatures
The graph below shows the range of monthly water temperatures over several years.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min °C | 21 | 20.5 | 21.2 | 23.9 | 24.9 | 27.3 | 28.5 | 29.5 | 28.9 | 26.2 | 23.9 | 22.9 |
Max °C | 24.3 | 24.6 | 26.1 | 27.6 | 29.5 | 29.9 | 30.9 | 31.4 | 30.6 | 30.2 | 27.9 | 25.3 |
Min °F | 71.1 | 70.5 | 72.1 | 76.5 | 78.7 | 82.2 | 84.3 | 85.8 | 84.7 | 80.8 | 76.6 | 74.2 |
Max °F | 74.4 | 74.6 | 77 | 80.2 | 83.3 | 84.8 | 86.7 | 87.7 | 86.4 | 84.8 | 80.6 | 76.6 |