Water temperature in Toronto (ON) in April
Is it warm enough to swim in Toronto in April? Average water temperature in Toronto in April is 3.6°C and therefore is not suitable for comfortable swimming. The warmest water in Toronto in April is 6.2°C, and the coldest is 0.6°C. Average high air temperature in Toronto in April is 12°C, and average low temperature is 4°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 April 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 April.
You can choose any other years:
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| 1 April | 2.8°C | 4°C | 0.6°C | 4.7°C |
| 2 April | 2.7°C | 3.8°C | 0.7°C | 4.7°C |
| 3 April | 3.3°C | 3.7°C | 1.4°C | 4.8°C |
| 4 April | 3.3°C | 3.9°C | 1.1°C | 5.1°C |
| 5 April | 3.5°C | 3.8°C | 0.9°C | 4.6°C |
| 6 April | 3.2°C | 4.3°C | 1.4°C | 5.5°C |
| 7 April | 4.1°C | 4.4°C | 1.5°C | 4.8°C |
| 8 April | 3.1°C | 3.8°C | 1.4°C | 4.6°C |
| 9 April | 3°C | 4.6°C | 1.9°C | 4.6°C |
| 10 April | 2.9°C | 4.4°C | 1.9°C | 4.7°C |
| 11 April | 2.9°C | 4.2°C | 1.6°C | 4.8°C |
| 12 April | 3.3°C | 4.4°C | 1.8°C | 5.1°C |
| 13 April | 2.9°C | 4.4°C | 2°C | 5.7°C |
| 14 April | 2.8°C | 4.3°C | 2°C | 5°C |
| 15 April | 3°C | 4.9°C | 1.4°C | 5.2°C |
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| 16 April | 3.2°C | 4.6°C | 1.5°C | 5.9°C |
| 17 April | 3.3°C | 4.5°C | 1.7°C | 5.7°C |
| 18 April | 3.3°C | 4.6°C | 2.5°C | 5.9°C |
| 19 April | 3.3°C | 5.2°C | 2.5°C | 5.8°C |
| 20 April | 3.2°C | 4.9°C | 2.5°C | 6.2°C |
| 21 April | 3°C | 4.8°C | 2.6°C | 6.1°C |
| 22 April | 3.7°C | 4.9°C | 1.9°C | 5.9°C |
| 23 April | 3.3°C | 5°C | 2.6°C | 5.7°C |
| 24 April | 3.9°C | 4.9°C | 2.1°C | 5.2°C |
| 25 April | 2.7°C | 4.7°C | 2.2°C | 5.9°C |
| 26 April | 3.2°C | 4.7°C | 2.3°C | 5.4°C |
| 27 April | 3.9°C | 5°C | 2.1°C | 5.5°C |
| 28 April | 3.5°C | 5°C | 2.2°C | 5.4°C |
| 29 April | 3.8°C | 5°C | 2.6°C | 5.5°C |
| 30 April | 3.4°C | 4.9°C | 2.7°C | 5.6°C |
Average water temperature in Toronto in April over a decade
| 2016 | 2017 | 2018 | 2019 | 2020 |
| 4.2°C | 4.1°C | 2.8°C | 3°C | 3.9°C |
| 2021 | 2022 | 2023 | 2024 | 2025 |
| 4.1°C | 3.6°C | 3.9°C | 4.5°C | 3.2°C |
Toronto sea state in April
Chart comparing the height of waves in Toronto in April 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 April
This data display average monthly climate indicators in Toronto in April 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 temperature12°C
- Average LOW temperature4°C
- Average rainfall days11 days
- Average rainfall2.4''/61mm
- Average daylight13h
- Average sunshine6h
- Average UV index5
- Average snowfall2''/51mm
Toronto water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below
