World sea water temperatures

Water temperature in Bar Harbor in March

Is it warm enough to swim in Bar Harbor in March? Average water temperature in Bar Harbor in March is 37.2°F and therefore is not suitable for comfortable swimming. The warmest sea in Bar Harbor in March is 42.6°F, and the coldest is 33.1°F. Average high air temperature in Bar Harbor in March is 41°F, and average low temperature is 23°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Bar Harbor

Changes water temperature in Bar Harbor in March 2025, 2024

To get an accurate forecast for the water temperature in Bar Harbor for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Bar Harbor, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of March.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
March 134.2°F36.1°F33.1°F39.2°F
March 234°F35.6°F33.4°F39.2°F
March 333.8°F37.6°F33.8°F39.6°F
March 433.8°F36.1°F33.8°F39.4°F
March 534.2°F36.3°F33.3°F39.6°F
March 634.5°F36.5°F33.4°F39.2°F
March 734.7°F36.9°F33.3°F39.6°F
March 833.3°F37.6°F33.3°F39.7°F
March 934°F36.9°F33.4°F39.6°F
March 1034°F36.7°F33.8°F39.4°F
March 1134.2°F37°F33.6°F39.4°F
March 1234.9°F37.4°F33.3°F39.2°F
March 1333.8°F36.5°F33.4°F39.7°F
March 1433.6°F37.8°F33.6°F39.6°F
March 1534.5°F37.9°F34.2°F39.4°F
Day 2025 2024 Min Max
March 1634.3°F37.9°F34°F39.6°F
March 1734.3°F37.9°F34.2°F40.1°F
March 1834°F38.5°F33.8°F41°F
March 1936°F38.8°F34.2°F40.5°F
March 2035.1°F37.6°F34.5°F40.8°F
March 2135.1°F37.9°F34.7°F41.2°F
March 2236.9°F38.5°F34.9°F42.6°F
March 2336.9°F38.3°F34.9°F41.5°F
March 2436.1°F38.3°F35.2°F40.8°F
March 2537°F38.1°F35.4°F41°F
March 2635.6°F39.4°F35.4°F40.1°F
March 2737°F38.5°F35.6°F39.6°F
March 2837.6°F38.5°F35.6°F39.6°F
March 2937.4°F38.7°F35.4°F39.9°F
March 3036.5°F39°F35.4°F39.7°F
March 3138.3°F39°F34.9°F39.9°F
Bar Harbor water temp chart in March

Average water temperature in Bar Harbor in March over a decade

20162017201820192020
38.5°F37.4°F37.8°F34.3°F37.6°F
20212022202320242025
37.4°F37.2°F37.6°F37.6°F35.1°F

Bar Harbor sea state in March

Chart comparing the height of waves in Bar Harbor 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.

Waves height in Bar Harbor in March

Weather and climate in Bar Harbor in March

This data display average monthly climate indicators in Bar Harbor 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

  • Average HIGH temperature41°F
  • Average LOW temperature23°F
  • Average rainfall days12 days
  • Average rainfall107mm/4.2''
  • Average daylight12h
  • Average sunshine5h
  • Average UV index3

Bar Harbor water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in March?

Want to know where the water temperature in March is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in March. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Lamoine37.2°F33.1°F42.6°F
Franklin36.9°F32.2°F42.4°F
Sullivan36.9°F32.2°F42.4°F
Hancock36.9°F32.2°F42.4°F
Sand Beach37.9°F34.5°F42.8°F
Winter Harbor37.9°F34.2°F42.8°F
Trenton36.9°F32.2°F42.4°F
Acadia37.9°F34.9°F42.8°F
Seal Harbor Beach37.9°F34.9°F42.8°F
Tremont37.6°F33.6°F42.6°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Bar Harbor is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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