Best Time to Visit St. Catharines
Best time: Jul, Jun, Aug, May.
Jul is warmest (27.1°C high); Sep is rainiest (92 mm).
St. Catharines weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | -0.5 | -7.6 | 54 | 2.3 |
| Feb | 0.4 | -7.1 | 49 | 3.8 |
| Mar | 5 | -3 | 57 | 5.5 |
| Apr | 11.8 | 2.5 | 76 | 7.3 |
| May | 19 | 8.2 | 80 | 8.8 |
| Jun | 24.1 | 13.7 | 84 | 9.8 |
| Jul | 27.1 | 17.1 | 79 | 9.6 |
| Aug | 26 | 16.5 | 75 | 8.3 |
| Sep | 21.6 | 12.5 | 92 | 6.4 |
| Oct | 15 | 6.5 | 72 | 4 |
| Nov | 8.5 | 1.5 | 82 | 2.3 |
| Dec | 2.7 | -4.2 | 68 | 1.8 |
Average high temperature
Best months by activity
Overall: JulJunAugMay
Beaches: JulAugJun
Hiking: MayJunAugOct
Sightseeing: JulJunAugMay
St. Catharines quick facts
What to pack
Cold months (Jan, Feb, Mar, Apr, Nov, Dec): warm layers and a coat.
Wet months (Sep): raincoat and umbrella.
Frequently asked questions
When is the best time to visit St. Catharines?
Jul, Jun, Aug, May.
What is the rainiest month?
Sep, about 92 mm.
What is the warmest month?
Jul, with average highs of 27.1°C.
Where to stay
Book St. Catharines hotels · St. Catharines tours & activities
All destinations · Best time to visit Toronto · Best time to visit Abbotsford · Best time to visit Ahuntsic-Cartierville · Best time to visit Ajax
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.