St. Catharines
June
Weather in St. Catharines for June 2025
Your guide to St. Catharines weather in June - trends and predictions
In general, the average temperature in St. Catharines at the beginning of June is 21.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 23 °C by the end of June.
St. Catharines in June brings notable rainfall, with an average of 20 rainy days and a total precipitation of 100.2 mm.
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Temperatures
Rain 🌧️
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10
Dry days
20
Rainy days
0
Snow days
21°/15°
Temperatures
21 km/h
Avg max wind
76 %
Avg humidity
St. Catharines in June average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | ||||||
| 2  23° | 3  20° | 4 21° | 5 23° | 6 21° | 7 18° | 8  18° |
| 9  19° | 10 20° | 11  19° | 12  19° | 13 20° | 14 18° | 15 19° |
| 16 20° | 17 24° | 18 25° | 19 25° | 20 23° | 21 24° | 22 23° |
| 23 22° | 24 22° | 25 25° | 26 23° | 27 22° | 28 23° | 29 23° |
| 30 23° |
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Temperatures trend during June in St. Catharines
See the weather trend as well as the moving average line
June weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. | Sunny | 22° /13° | 0 mm | 6 | |
| 2 Jun. | Partly cloudy | 23° /15° | 0 mm | 6 | |
| 3 Jun. | Cloudy | 20° /15° | 0 mm | 5 | |
| 4 Jun. | Partly cloudy | 21° /13° | 0 mm | 6 | |
| 5 Jun. | Cloudy | 23° /15° | 5.3 mm | 5 | |
| 6 Jun. | Sunny | 21° /15° | 3.1 mm | 6 | |
| 7 Jun. | Partly cloudy | 18° /12° | 1.2 mm | 5 | |
| 8 Jun. | Patchy rain possible | 18° /12° | 4.9 mm | 4 | |
| 9 Jun. | Heavy rain at times | 19° /12° | 6.8 mm | 4 | |
| 10 Jun. | Cloudy | 20° /12° | 0 mm | 5 | |
| 11 Jun. | Overcast | 19° /13° | 1.1 mm | 5 | |
| 12 Jun. | Moderate or heavy rain shower | 19° /13° | 18.4 mm | 5 | |
| 13 Jun. | Heavy rain at times | 20° /14° | 2.3 mm | 5 | |
| 14 Jun. | Moderate rain at times | 18° /14° | 3.4 mm | 5 | |
| 15 Jun. | Heavy rain at times | 19° /13° | 1.4 mm | 5 | |
| 16 Jun. | Moderate or heavy rain shower | 20° /13° | 6.4 mm | 5 | |
| 17 Jun. | Sunny | 24° /15° | 0.9 mm | 6 | |
| 18 Jun. | Sunny | 25° /16° | 0.8 mm | 6 | |
| 19 Jun. | Sunny | 25° /17° | 0.3 mm | 7 | |
| 20 Jun. | Partly cloudy | 23° /17° | 2.4 mm | 6 | |
| 21 Jun. | Sunny | 24° /17° | 1.2 mm | 6 | |
| 22 Jun. | Partly cloudy | 23° /17° | 10.1 mm | 6 | |
| 23 Jun. | Moderate or heavy rain shower | 22° /17° | 8.9 mm | 5 | |
| 24 Jun. | Patchy rain possible | 22° /17° | 4.4 mm | 5 | |
| 25 Jun. | Overcast | 25° /16° | 0.3 mm | 6 | |
| 26 Jun. | Heavy rain at times | 23° /16° | 3.7 mm | 6 | |
| 27 Jun. | Patchy rain possible | 22° /15° | 1.8 mm | 5 | |
| 28 Jun. | Patchy rain possible | 23° /14° | 0.2 mm | 6 | |
| 29 Jun. | Overcast | 23° /15° | 10.3 mm | 5 | |
| 30 Jun. | Patchy rain possible | 23° /15° | 0.3 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.
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 21° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in St. Catharines during June?
Significant rainfall exceeding 100.2 mm is expected in St. Catharines during June, occurring over more than 20 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 21 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 💧
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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