Sea Temperature in Saint John in April

Complete information on the sea temperature range in the Atlantic Ocean in Saint John in April. Historical daily data. Climate details for April. 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 April

36°F

MINIMUN

40°F

AVERAGE

45°F

MAXIMUM

Historical Data of Water Temperature in April in Saint John

Water Temperature Chart for Atlantic Ocean in Saint John in April

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

Day	2024	2023	2022	Average
Apr 1	39°C	39°C	36°C	38°C
Apr 2	41°C	39°C	36°C	38°C
Apr 3	41°C	39°C	36°C	38°C
Apr 4	41°C	39°C	37°C	39°C
Apr 5	41°C	39°C	37°C	39°C
Apr 6	41°C	39°C	37°C	39°C
Apr 7	41°C	39°C	37°C	39°C
Apr 8	41°C	39°C	37°C	39°C
Apr 9	41°C	39°C	37°C	39°C
Apr 10	41°C	39°C	39°C	40°C
Apr 11	41°C	39°C	39°C	40°C
Apr 12	41°C	39°C	39°C	40°C
Apr 13	41°C	39°C	39°C	40°C
Apr 14	41°C	41°C	39°C	40°C
Apr 15	41°C	39°C	39°C	40°C
Apr 16	43°C	41°C	41°C	42°C
Apr 17	43°C	41°C	41°C	41°C
Apr 18	43°C	39°C	41°C	41°C
Apr 19	41°C	41°C	41°C	41°C
Apr 20	43°C	41°C	41°C	42°C
Apr 21	43°C	41°C	41°C	42°C
Apr 22	43°C	41°C	43°C	42°C
Apr 23	43°C	41°C	43°C	42°C
Apr 24	43°C	41°C	43°C	42°C
Apr 25	43°C	41°C	43°C	42°C
Apr 26	43°C	41°C	43°C	42°C
Apr 27	43°C	41°C	43°C	42°C
Apr 28	43°C	41°C	45°C	42°C
Apr 29	43°C	41°C	45°C	42°C

Saint John Climate and Swimming Opportunities in April

54°F

Average Day Air Temperature

39°F

Average Night Air Temperature

2 in

Precipitation Amount per Month

13 days

Number of Rainy Days

14 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

12 mph

Average Wind Speed

84%

Average
humidity

Saint John lies within the New Brunswick in Canada. The average daytime temperature in Saint John in April is 12°C (53°F), while the nighttime average is 4°C (40°F). There are typically 13 rainy days during the month, with a total precipitation of 62 mm (2.4 inches). The daylight duration in April in Saint John is 14 hours, with an average of 5 hours of sunshine per day. The average wind speed in April is 19 km/h (12 mph), and the humidity level is around 84%.

The water temperature in Saint John in April ranges from 3°C to 5°C (37°F to 41°F). At the beginning of the month, the average temperature is around 4°C (39°F), shifting to 5°C (41°F) by mid-April and reaching 5°C (41°F) in the last ten days. Overall, the average sea temperature in Saint John for April is 5°C (41°F). The water remains dangerously cold, but the slightly warmer air can make short swims somewhat more bearable. Still, only for the well-prepared.

Sea Temperature in April in Nearby Cities

Frequently Asked Questions About Water Temperatures in April in Saint John

What is the sea temperature in Saint John in April?

The water temperature in the Atlantic Ocean in Saint John in April ranges from 3°C to 5°C (37°F to 41°F).

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

The average sea temperature in Saint John in April is 5°C (41°F), and the air temperature is 12°C (53°F), so the water remains dangerously cold, but the slightly warmer air can make short swims somewhat more bearable. Still, only for the well-prepared.