Swim in Saint John in march 2025What is the temperature of the sea in in march?

Average sea temperature in Saint John in march 2025.

In march, according to seasonal norms, the sea temperature in Saint John is:

Minimum: 35°F

Average: 38°F

Maximum: 41°F

Other useful seasonal weather averages in march:

  • Outside temperature: 27°F to 36°F
  • Most common weather: "Cloudy"
  • The wind blows at -5mph
  • It rains a total of 3.2in, over 5 day(s).

Should we swim in Saint John in march?

No... The water temperature in Saint John in march is freezing

You won't be able to swim in Saint John in march! The water temperature is freezing, reaching as low as 35°F (and only 41°F at best)! Our advice: if you are going to Saint John this month, plan to sightsee and forget the beach!

Note also that in march, the climate is very bad with an average outside temperature of 32°F, 3.2in of precipitation (over 5 days) and 85.61 % humidity.

Water and normal seasonal temperatures in Saint John in march

March
Average sea temperature 38°F
Minimum sea temperature 35°F
Maximum sea temperature 41°F
Average outside temperature 32°F
Maximum outside temperature 36°F
Minimum outside temperature 29°F
Wind speed 14.9mph
Wind temperature 18°F
Precipitation 3.2in
Number of days of rain 5 jour(s)
(15%)
Humidity 86%
Visibility in kilometers 8.39km
Cloud cover 58%
Our opinion freezing swimming

Swim elsewhere in Canada in march

City Average T° Max. T° Our opinion
Halifax in march34°F36°Ffreezing swimming
Quebec City in march34°F36°Ffreezing swimming
Vancouver in march45°F47°Ffreezing swimming
St. John's (Newfoundland and Labrador) in march32°F34°Ffreezing swimming
Tofino in march47°F50°Ffreezing swimming
Victoria in march46°F48°Ffreezing swimming
Bathurst in march32°F34°Ffreezing swimming
Charlottetown in march31°F32°Ffreezing swimming
Nanaimo in march46°F48°Ffreezing swimming

Swim in Canada in march: sea temperature by city

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