Weather in St. Catharines in July
How warm is it in St. Catharines in July?
In July the typical daytime high in St. Catharines is 27.2 °C on average, from 26.7 °C at the start to 26.9 °C at the end of the month.
That is 2.6 °C warmer than in June and 1.3 °C warmer than in August.
The last 10 years were 1.7 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
Measured at the weather station Toronto, 57 km away.