Sea Temperature in Saint John in March

Complete information on the sea temperature range in the Atlantic Ocean in Saint John in March. Historical daily data. Climate details for March. Tips on swimming conditions and beach relaxation in Saint John. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Saint John in March

34°F

MINIMUN

38°F

AVERAGE

43°F

MAXIMUM

Historical Data of Water Temperature in March in Saint John

Water Temperature Chart for Atlantic Ocean in Saint John in March

Sea Temperature Table in Saint John in March Over the Past Years

Day	2024	2023	2022	Average
Mar 1	41°C	37°C	39°C	39°C
Mar 2	41°C	37°C	41°C	39°C
Mar 3	41°C	39°C	39°C	39°C
Mar 4	39°C	39°C	34°C	37°C
Mar 5	39°C	39°C	34°C	37°C
Mar 6	39°C	39°C	37°C	39°C
Mar 7	41°C	37°C	36°C	38°C
Mar 8	41°C	37°C	37°C	39°C
Mar 9	41°C	37°C	41°C	39°C
Mar 10	41°C	39°C	36°C	38°C
Mar 11	41°C	39°C	41°C	40°C
Mar 12	41°C	39°C	34°C	38°C
Mar 13	41°C	39°C	37°C	39°C
Mar 14	41°C	39°C	39°C	39°C
Mar 15	39°C	39°C	34°C	37°C
Mar 16	39°C	37°C	36°C	37°C
Mar 17	39°C	39°C	34°C	37°C
Mar 18	39°C	39°C	34°C	37°C
Mar 19	39°C	37°C	36°C	37°C
Mar 20	41°C	37°C	41°C	39°C
Mar 21	39°C	37°C	36°C	38°C
Mar 22	39°C	39°C	41°C	40°C
Mar 23	39°C	39°C	34°C	38°C
Mar 24	41°C	39°C	34°C	38°C
Mar 25	41°C	39°C	39°C	39°C
Mar 26	41°C	39°C	39°C	39°C
Mar 27	41°C	39°C	41°C	40°C
Mar 28	41°C	39°C	39°C	39°C
Mar 29	41°C	39°C	41°C	40°C
Mar 30	39°C	39°C	37°C	38°C

Saint John Climate and Swimming Opportunities in March

50°F

Average Day Air Temperature

37°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

16 days

Number of Rainy Days

12 hrs

Daylight
per Day

3 hrs

Sunshine
per Day

13 mph

Average Wind Speed

86%

Average
humidity

Saint John lies within the New Brunswick in Canada. The average daytime temperature in Saint John in March is 10°C (49°F), while the nighttime average is 3°C (38°F). There are typically 16 rainy days during the month, with a total precipitation of 72 mm (2.8 inches). The daylight duration in March in Saint John is 12 hours, with an average of 3 hours of sunshine per day. The average wind speed in March is 22 km/h (14 mph), and the humidity level is around 86%.

The water temperature in Saint John in March ranges from 3°C to 4°C (37°F to 39°F). At the beginning of the month, the average temperature is around 4°C (39°F), shifting to 3°C (37°F) by mid-March and reaching 4°C (39°F) in the last ten days. Overall, the average sea temperature in Saint John for March is 4°C (39°F). The water is freezing, and the air is still very cold. Even a brief dip can be risky. A wetsuit is highly recommended.

Sea Temperature in March in Nearby Cities

Frequently Asked Questions About Water Temperatures in March in Saint John

What is the sea temperature in Saint John in March?

The water temperature in the Atlantic Ocean in Saint John in March ranges from 3°C to 4°C (37°F to 39°F).

Is it possible to swim in the Atlantic Ocean in Saint John in March?

The average sea temperature in Saint John in March is 4°C (39°F), and the air temperature is 10°C (49°F), so the water is freezing, and the air is still very cold. Even a brief dip can be risky. A wetsuit is highly recommended.