Monthly Niagara Falls water temperature chart
The bar chart below shows the average monthly sea temperatures at Niagara Falls over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 2.3 | 1.1 | 1.3 | 3.5 | 7.6 | 16.3 | 22.7 | 23.4 | 21.0 | 15.3 | 9.4 | 4.7 |
| °F | 36.1 | 34 | 34.3 | 38.3 | 45.7 | 61.3 | 72.9 | 74.1 | 69.8 | 59.5 | 48.9 | 40.5 |
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 | 0.3 | 0.1 | -0.3 | 1 | 3.2 | 10.4 | 19.3 | 21.7 | 18.6 | 11.3 | 6.8 | 1.6 |
| Max °C | 4.3 | 2.2 | 2.9 | 6.1 | 12 | 22.2 | 26.2 | 25.1 | 23.5 | 19.4 | 12 | 7.9 |
| Min °F | 34.1 | 33 | 32.8 | 35.8 | 41.3 | 55.4 | 69.5 | 72.4 | 67.4 | 55.5 | 46.3 | 37.4 |
| Max °F | 38.1 | 35.1 | 35.9 | 40.9 | 50.1 | 67.2 | 76.4 | 75.8 | 72.3 | 63.6 | 51.5 | 43.7 |