inland destination · city of 136,803 · warmest in Jul · mid-range
Open St. Catharines on the live value map →| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | -3 | -2 | 1 | 6 | 12 | 18 | 21 | 21 | 17 | 11 | 6 | 0 |
| High °C | 1 | 1 | 4 | 10 | 17 | 23 | 26 | 25 | 21 | 15 | 9 | 4 |
| Low °C | -6 | -6 | -3 | 2 | 7 | 13 | 17 | 17 | 13 | 7 | 3 | -3 |
| Rain (days) | 54 | 49 | 57 | 77 | 78 | 79 | 76 | 75 | 89 | 72 | 81 | 67 |
Warmest month: Jul. Driest: Feb.