Water temperature in Toronto (ON) in June
Is it warm enough to swim in Toronto in June? Average water temperature in Toronto in June is 14.3°C and therefore is not suitable for comfortable swimming. The warmest water in Toronto in June is 21°C, and the coldest is 5°C. Average high air temperature in Toronto in June is 24°C, and average low temperature is 15°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Toronto
Changes water temperature in Toronto in June 2025, 2024
To get an accurate forecast for the water temperature in Toronto for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Toronto, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of June.
You can choose any other years:
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| 1 June | 6.7°C | 13°C | 5.2°C | 15°C |
| 2 June | 7°C | 12.6°C | 5.3°C | 14.9°C |
| 3 June | 7.6°C | 12.6°C | 5°C | 16°C |
| 4 June | 8.4°C | 13.5°C | 5.6°C | 15.8°C |
| 5 June | 8.4°C | 13.6°C | 5.9°C | 16.3°C |
| 6 June | 9.3°C | 15.4°C | 6.6°C | 15.7°C |
| 7 June | 9.1°C | 15.8°C | 6.4°C | 15.8°C |
| 8 June | 10.1°C | 15.7°C | 7.8°C | 15.7°C |
| 9 June | 10.6°C | 15.7°C | 7.8°C | 15.7°C |
| 10 June | 10.5°C | 14.7°C | 8.5°C | 16°C |
| 11 June | 11.6°C | 14.9°C | 7.6°C | 16.3°C |
| 12 June | 12.3°C | 14.3°C | 7.5°C | 16.5°C |
| 13 June | 12.6°C | 15.2°C | 8.9°C | 16.1°C |
| 14 June | 12.6°C | 15.6°C | 7.9°C | 16.5°C |
| 15 June | 12.8°C | 14.5°C | 8.1°C | 16.5°C |
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| 16 June | 12.9°C | 14°C | 8.5°C | 17.1°C |
| 17 June | 13.7°C | 14.6°C | 7.4°C | 17.1°C |
| 18 June | 14.1°C | 14.1°C | 8.7°C | 17.5°C |
| 19 June | 15°C | 14.8°C | 8.5°C | 18.5°C |
| 20 June | 13.9°C | 16.8°C | 9.3°C | 18.9°C |
| 21 June | 14°C | 17.4°C | 10.9°C | 20°C |
| 22 June | 19°C | 12.3°C | 20°C | |
| 23 June | 14.3°C | 19.1°C | 11.7°C | 21°C |
| 24 June | 14.7°C | 16.7°C | 12.8°C | 20.4°C |
| 25 June | 16.1°C | 16.7°C | 14.4°C | 20.2°C |
| 26 June | 16.5°C | 16.9°C | 14.4°C | 19.2°C |
| 27 June | 16.9°C | 16.4°C | 13.7°C | 19.5°C |
| 28 June | 17.6°C | 16.5°C | 15.1°C | 20.2°C |
| 29 June | 17.1°C | 16.6°C | 14.5°C | 20.1°C |
| 30 June | 17.7°C | 17.7°C | 14.8°C | 19.2°C |
Average water temperature in Toronto in June over a decade
| 2016 | 2017 | 2018 | 2019 | 2020 |
| 15.3°C | 14.5°C | 14.8°C | 9.6°C | 15°C |
| 2021 | 2022 | 2023 | 2024 | 2025 |
| 14.3°C | 14.2°C | 16.4°C | 15.5°C | 12.6°C |
Toronto sea state in June
Chart comparing the height of waves in Toronto in June over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.
Weather and climate in Toronto in June
This data display average monthly climate indicators in Toronto in June based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip
- Average HIGH temperature24°C
- Average LOW temperature15°C
- Average rainfall days11 days
- Average rainfall2.8''/71mm
- Average daylight15h
- Average sunshine8.7h
- Average UV index8
Toronto water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below
