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Water temperature in Montreal

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This data the coastal Montreal water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current water temperature in Montreal

Water temperature in Montreal today is 10°C. Based on our historical data over a period of ten years, the warmest water in this day in Montreal was recorded in 2021 and was 16°C, and the coldest was recorded in 2024 at 8°C. Water temperature in Montreal is expected to drop to 9.9°C in the next 10 days. October average water temperature in Montreal is 11.5°C, the minimum temperature is 3°C, and the maximum is 19°C.

The swimming season in Montreal lasts from July to August. During those months, Montreal water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Montreal in winter reaches 3°C, in spring 7.2°C, in summer the average temperature rises to 20.7°C, and in autumn it is 11.6°C.

Montreal water temperature now


15 October 2025
today temp
10°C
14 October 2025
yesterday temp
10°C


Current temperature and weather

Data in a table show Montreal temperature today (15 October 2025). For more information and forecast for a few days, go to the weather forecast Montreal.

0-3 h3-6 h6-9 h9-12 h
13.3°C10.8°C7.8°C8.1°C
12-15 h15-18 h18-21 h21-24 h
10.6°C11.6°C9.4°C8°C

You may also be interested in other sections of our site for Montreal: Sunrise and Sunset

Montreal water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Montreal. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Montreal on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

MonthAvrMinMax
January3°C1°C4°Ccold
Water temperature in Montreal in January
February3°C3°C4°Ccold
Water temperature in Montreal in February
March3.1°C1°C6°Ccold
Water temperature in Montreal in March
April5.6°C2°C12°Ccold
Water temperature in Montreal in April
May13°C6°C21°Ccold
Water temperature in Montreal in May
June18.7°C13°C25°Ccold
Water temperature in Montreal in June
July22.1°C17°C26°Cwarm
Water temperature in Montreal in July
August21.3°C17°C27°Cwarm
Water temperature in Montreal in August
September18.1°C12°C23°Ccold
Water temperature in Montreal in September
October11.5°C3°C19°Ccold
Water temperature in Montreal in October
November5.1°C3°C13°Ccold
Water temperature in Montreal in November
December3.1°C1°C5°Ccold
Water temperature in Montreal in December

Chart monthly average water temperature in Montreal

Water temperature in Montreal

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Montreal photo gallery

  • Kayaking in Vaudreuil
  • Rivière des Prairies, 30 oct. 2022
  • Beautiful green color of the water in Pincourt, QC.

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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 Montreal 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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