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 | -4 | -3 | 1 | 7 | 14 | 19 | 22 | 21 | 17 | 11 | 5 | -1 |
| High °C | -1 | 0 | 5 | 12 | 19 | 24 | 27 | 26 | 22 | 15 | 8 | 3 |
| Low °C | -8 | -7 | -3 | 2 | 8 | 14 | 17 | 16 | 12 | 6 | 1 | -4 |
| Rain (days) | 54 | 49 | 57 | 77 | 78 | 79 | 76 | 75 | 89 | 72 | 81 | 67 |
Warmest month: Jul. Driest: Feb.