Is it warm enough to swim in Brunswick in March? Average water temperature in Brunswick in March is 62.1°F and therefore is not suitable for comfortable swimming. The warmest sea in Brunswick in March is 72°F, and the coldest is 54.9°F. Average high air temperature in Brunswick in March is 72°F, and average low temperature is 51°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Brunswick
To get an accurate forecast for the water temperature in Brunswick for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Brunswick, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of March.
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
March 1 | 59°F | 58.8°F | 54.9°F | 67.8°F |
March 2 | 58.8°F | 59°F | 55.6°F | 66.7°F |
March 3 | 58.3°F | 59.5°F | 56.3°F | 66.4°F |
March 4 | 57.9°F | 59.5°F | 55°F | 67.1°F |
March 5 | 60.4°F | 59.4°F | 55.8°F | 66.9°F |
March 6 | 59°F | 62.4°F | 56.1°F | 67.8°F |
March 7 | 58.5°F | 62.4°F | 56.5°F | 69.4°F |
March 8 | 59°F | 63.3°F | 56.7°F | 67.6°F |
March 9 | 58.8°F | 62.8°F | 56.8°F | 67.5°F |
March 10 | 58.8°F | 64.4°F | 57.4°F | 66.6°F |
March 11 | 59.5°F | 62.6°F | 57.7°F | 65.5°F |
March 12 | 58.6°F | 63°F | 57.9°F | 66°F |
March 13 | 58.8°F | 63.3°F | 57.6°F | 65.3°F |
March 14 | 58.3°F | 62.1°F | 56.7°F | 65.1°F |
March 15 | 59.2°F | 63°F | 56.1°F | 64.2°F |
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
March 16 | 60.6°F | 63.1°F | 56.7°F | 65.1°F |
March 17 | 62.2°F | 64.4°F | 56.7°F | 65.8°F |
March 18 | 61.5°F | 64.4°F | 56.5°F | 66.4°F |
March 19 | 61°F | 65.3°F | 56.5°F | 67.8°F |
March 20 | 61.2°F | 63.9°F | 57.2°F | 69.1°F |
March 21 | 61.5°F | 63°F | 57.7°F | 70.7°F |
March 22 | 61°F | 63°F | 58.1°F | 70.7°F |
March 23 | 62.4°F | 63°F | 58.6°F | 69.4°F |
March 24 | 63.3°F | 64.8°F | 59°F | 69.3°F |
March 25 | 62.8°F | 64.2°F | 59°F | 69.6°F |
March 26 | 63.1°F | 65.1°F | 59°F | 69.3°F |
March 27 | 64.9°F | 64.9°F | 59°F | 69.8°F |
March 28 | 64.9°F | 65.7°F | 58.3°F | 72°F |
March 29 | 67.3°F | 64.4°F | 58.3°F | 71.2°F |
March 30 | 67.1°F | 63.9°F | 59°F | 71.4°F |
March 31 | 66.9°F | 64.4°F | 60.4°F | 70.2°F |
2016 | 2017 | 2018 | 2019 | 2020 |
63.3°F | 63.3°F | 61.7°F | 62.6°F | 64.9°F |
2021 | 2022 | 2023 | 2024 | 2025 |
62.2°F | 64.2°F | 65.7°F | 63°F | 61.2°F |
Chart comparing the height of waves in Brunswick in March 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.
This data display average monthly climate indicators in Brunswick in March 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
You can also view information about water temperature for other months by clicking on the month button below