Is it warm enough to swim in St. Clair River (Port Lambton) in January? Average water temperature in St. Clair River (Port Lambton) in January is 1°C and therefore is not suitable for comfortable swimming. The warmest water in St. Clair River (Port Lambton) in January is 4.9°C, and the coldest is -1.7°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in St. Clair River (Port Lambton)
To get an accurate forecast for the water temperature in St. Clair River (Port Lambton) for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in St. Clair River (Port Lambton), the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of January.
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
1 January | 3.5°C | 4.9°C | -0.1°C | 4.9°C |
2 January | 2.6°C | 4.6°C | -0.2°C | 4.6°C |
3 January | 2.6°C | 4.3°C | -0.4°C | 4.3°C |
4 January | 2.6°C | 3.2°C | -1.3°C | 3.2°C |
5 January | 2.1°C | 4.3°C | -0.5°C | 4.3°C |
6 January | 2.1°C | 3.8°C | -0.5°C | 3.8°C |
7 January | 1.9°C | 3.5°C | -0.5°C | 3.5°C |
8 January | 1.7°C | 3.1°C | -0.1°C | 3.1°C |
9 January | 1.5°C | 2.8°C | -0.1°C | 2.8°C |
10 January | 1.3°C | 2.6°C | -0.2°C | 2.6°C |
11 January | 1.2°C | 2.5°C | -1.1°C | 2.5°C |
12 January | 1.6°C | 2.7°C | -0.7°C | 2.7°C |
13 January | 1.4°C | 2.5°C | -1.7°C | 2.5°C |
14 January | 1.6°C | 1.8°C | -1°C | 2.3°C |
15 January | 1.2°C | 1.7°C | -0.8°C | 2.5°C |
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
16 January | 1.1°C | 1.6°C | -0.4°C | 2.7°C |
17 January | 1.4°C | 1.5°C | -0.4°C | 2.2°C |
18 January | 1.1°C | 1.4°C | -0.3°C | 2°C |
19 January | 1°C | 1.2°C | -0.1°C | 2°C |
20 January | 0.9°C | 1.1°C | -0.2°C | 2.1°C |
21 January | 1°C | 1°C | -0.6°C | 1.9°C |
22 January | 0.9°C | 0.9°C | -0.6°C | 1.7°C |
23 January | 0.8°C | 0.9°C | -0.9°C | 1.6°C |
24 January | 0.7°C | 0.8°C | -0.2°C | 1.4°C |
25 January | 1°C | 1.1°C | -0.1°C | 1.3°C |
26 January | 1.2°C | 1°C | -0.3°C | 1.5°C |
27 January | 1.1°C | 0.9°C | -0.3°C | 1.3°C |
28 January | 1.1°C | 0.9°C | -0.6°C | 1.4°C |
29 January | 1.3°C | 0.9°C | -0.5°C | 1.3°C |
30 January | 1.2°C | 0.8°C | -0.3°C | 1.2°C |
31 January | 1.4°C | 0.8°C | -0.3°C | 1.4°C |
2016 | 2017 | 2018 | 2019 | 2020 |
1.2°C | 1°C | 0.6°C | 1.3°C | 1.6°C |
2021 | 2022 | 2023 | 2024 | 2025 |
1.3°C | 1.2°C | 1.4°C | 2.1°C | 1.5°C |
Chart comparing the height of waves in St. Clair River (Port Lambton) in January 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.
You can also view information about water temperature for other months by clicking on the month button below