St. Catharines
June
Weather in St. Catharines for June 2026
Your guide to St. Catharines weather in June - trends and predictions
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So far, June 2026 in St. Catharines shows a warmer trend than usual by 4.1 °C.
The forecast for the next days in St. Catharines predicts temperatures to be around 21 °C, close to the historical average.
In general, the average temperature in St. Catharines at the beginning of June is 22.6 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 22.7 °C by the end of June.
St. Catharines in June brings notable rainfall, with an average of 19 rainy days and a total precipitation of 174.8 mm.
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11
Dry days
19
Rainy days
0
Snow days
22°/15°
Temperatures
22 km/h
Avg max wind
78 %
Avg humidity
St. Catharines Weather June
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Temperatures trend during June in St. Catharines
See the weather trend as well as the moving average line
June weather in St. Catharines day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. |  Overcast | 19° /10° | 0.2 mm | 6 | |
| 2 Jun. | Overcast | 23° /11° | 0 mm | 7 | |
| 3 Jun. |  Sunny | 24° /13° | 0 mm | 7 | |
| 4 Jun. | Sunny | 25° /13° | 0 mm | 7 | |
| 5 Jun. |  Cloudy | 24° /15° | 2.6 mm | 6 | |
| 6 Jun. | Sunny | 22° /15° | 3.3 mm | 7 | |
| 7 Jun. |  Partly cloudy | 21° /13° | 0.6 mm | 7 | |
| 8 Jun. |  Patchy rain possible | 19° /12° | 8.1 mm | 6 | |
| 9 Jun. |  Heavy rain at times | 21° /13° | 5.1 mm | 6 | |
| 10 Jun. | Patchy rain possible | 23° /15° | 3.6 mm | 6 | |
| 11 Jun. | Overcast | 21° /13° | 0.8 mm | 5 | |
| 12 Jun. | Patchy rain possible | 30° /17° | 0.1 mm | 9.1 | |
| 13 Jun. | Sunny | 23° /15° | 0 mm | 8.5 | |
| 14 Jun. |  Moderate rain | 20° /15° | 8.9 mm | 7.7 | |
| 15 Jun. | Patchy rain possible | 17° /12° | 0.6 mm | 0.9 | |
| 16 Jun. | Patchy rain possible | 19° /13° | 1 mm | 4 | |
| 17 Jun. | Patchy rain possible | 20° /13° | 0.6 mm | 4 | |
| 18 Jun. | Patchy rain possible | 21° /18° | 5 mm | 4 | |
| 19 Jun. | Patchy rain possible | 21° /15° | 0 mm | 4 | |
| 20 Jun. | Patchy rain possible | 21° /15° | 1.5 mm | 4 | |
| 21 Jun. | Partly cloudy | 19° /15° | 0.1 mm | 5 | |
| 22 Jun. | Sunny | 21° /13° | 0 mm | 5 | |
| 23 Jun. | Sunny | 21° /15° | 0 mm | 5 | |
| 24 Jun. | Partly cloudy | 21° /16° | 0 mm | 5 | |
| 25 Jun. | Patchy rain possible | 22° /16° | 2 mm | 4 | |
| 26 Jun. | Heavy rain at times | 22° /16° | 5.3 mm | 5 | |
| 27 Jun. | Patchy rain possible | 22° /14° | 5.2 mm | 5 | |
| 28 Jun. | Patchy rain possible | 23° /15° | 60.3 mm | 5 | |
| 29 Jun. | Overcast | 24° /15° | 6.9 mm | 6 | |
| 30 Jun. | Patchy rain possible | 25° /15° | 0.2 mm | 6 | |
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Important Notice
Our weather forecast for St. Catharines in June 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.
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St. Catharines in June - FAQ
What are the expected maximum and minimum temperatures in St. Catharines during June?
During June, expect a variety of temperatures with highs around 22° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in St. Catharines during June?
Significant rainfall exceeding 174.8 mm is expected in St. Catharines during June, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in St. Catharines during June?
The average wind speed in St. Catharines during June is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in St. Catharines
Explore the daily rainfall trends and prepare for St. Cathariness June weather 💧
Typically, St. Catharines has 19 rainy days in June with a total of 174.8 mm of rainfall.
UV exposure in St. Catharines during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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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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