St. Catharines
July
Weather in St. Catharines for July 2026
Your guide to St. Catharines weather in July - trends and predictions
So far, July 2026 in St. Catharines shows a warmer trend than usual by 3.1 °C.
The forecast for the next days in St. Catharines predicts temperatures to be around 25 °C, close to the historical average.
In general, the average temperature in St. Catharines at the beginning of July is 27 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.7 °C by the end of July.
St. Catharines experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 118.9 mm.
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Temperatures
Rain 🌧️
More
6
Dry days
25
Rainy days
0
Snow days
26°/19°
Temperatures
20 km/h
Avg max wind
75 %
Avg humidity
St. Catharines Weather July
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Temperatures trend during July in St. Catharines
See the weather trend as well as the moving average line
July weather in St. Catharines day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. |  Moderate or heavy rain shower | 27° /19° | 6.3 mm | 7 | |
| 2 Jul. | Moderate or heavy rain shower | 27° /18° | 4 mm | 7 | |
| 3 Jul. |  Heavy rain at times | 27° /19° | 2.9 mm | 7 | |
| 4 Jul. |  Overcast | 27° /18° | 1.1 mm | 7 | |
| 5 Jul. | Overcast | 27° /17° | 4.8 mm | 7 | |
| 6 Jul. |  Cloudy | 28° /20° | 3.3 mm | 8 | |
| 7 Jul. | Overcast | 26° /18° | 9.8 mm | 7 | |
| 8 Jul. |  Patchy rain possible | 26° /17° | 0.2 mm | 7 | |
| 9 Jul. | Light rain shower | 27° /18° | 5.9 mm | 7 | |
| 10 Jul. | Light rain shower | 27° /19° | 8.4 mm | 7 | |
| 11 Jul. | Overcast | 26° /18° | 2.4 mm | 7 | |
| 12 Jul. |  Sunny | 27° /18° | 2.1 mm | 7 | |
| 13 Jul. | Moderate rain at times | 29° /19° | 3.2 mm | 7 | |
| 14 Jul. | Cloudy | 29° /19° | 0.9 mm | 8 | |
| 15 Jul. | Patchy rain possible | 29° /20° | 5 mm | 8 | |
| 16 Jul. | Moderate or heavy rain shower | 27° /19° | 12 mm | 7 | |
| 17 Jul. | Patchy rain possible | 27° /18° | 1.3 mm | 7 | |
| 18 Jul. | Moderate rain at times | 25° /17° | 9.6 mm | 7 | |
| 19 Jul. | Cloudy | 25° /15° | 0.1 mm | 7 | |
| 20 Jul. | Sunny | 29° /14° | 0 mm | 8.2 | |
| 21 Jul. |  Partly cloudy | 26° /20° | 6.1 mm | 4.7 | |
| 22 Jul. | Patchy rain possible | 21° /16° | 1 mm | 7.4 | |
| 23 Jul. | Sunny | 24° /14° | 0 mm | 7.3 | |
| 24 Jul. | Sunny | 25° /17° | 0 mm | 6 | |
| 25 Jul. | Sunny | 22° /17° | 0 mm | 6 | |
| 26 Jul. | Sunny | 26° /17° | 0 mm | 7 | |
| 27 Jul. | Sunny | 27° /20° | 0.9 mm | 7 | |
| 28 Jul. | Patchy rain possible | 29° /21° | 0.5 mm | 7 | |
| 29 Jul. | Partly cloudy | 27° /21° | 0.7 mm | 7 | |
| 30 Jul. | Patchy rain possible | 26° /20° | 0.8 mm | 7 | |
| 31 Jul. | Sunny | 23° /17° | 0.3 mm | 6 | |
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Important Notice
Our weather forecast for St. Catharines in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St. Catharines forecast closer to your planned date for the most up-to-date weather information.
Change Month
St. Catharines in July - FAQ
What are the expected maximum and minimum temperatures in St. Catharines during July?
During July, expect a variety of temperatures with highs around 26° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in St. Catharines during July?
Significant rainfall exceeding 118.9 mm is expected in St. Catharines during July, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in St. Catharines during July?
The average wind speed in St. Catharines during July is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in St. Catharines
Explore the daily rainfall trends and prepare for St. Cathariness July weather 💧
Typically, St. Catharines has 25 rainy days in July with a total of 118.9 mm of rainfall.
UV exposure in St. Catharines during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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Where is St. Catharines?Get accurate weather forecasts for St. Catharines, located at latitude 43.171 and longitude -79.243. Stay updated with localized weather information tailored for St. Catharines.
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