Sea Temperature in Saint John in May

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

39°F

MINIMUN

45°F

AVERAGE

50°F

MAXIMUM

Historical Data of Water Temperature in May in Saint John

Water Temperature Chart for Atlantic Ocean in Saint John in May

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

Day	2024	2023	2022	Average
May 1	45°C	41°C	39°C	42°C
May 2	43°C	43°C	41°C	42°C
May 3	43°C	41°C	41°C	42°C
May 4	45°C	43°C	41°C	42°C
May 5	45°C	43°C	41°C	43°C
May 6	43°C	43°C	41°C	42°C
May 7	45°C	43°C	41°C	43°C
May 8	45°C	43°C	43°C	43°C
May 9	43°C	43°C	43°C	43°C
May 10	45°C	43°C	43°C	43°C
May 11	43°C	43°C	43°C	43°C
May 12	45°C	43°C	43°C	43°C
May 13	45°C	43°C	43°C	43°C
May 14	45°C	43°C	45°C	44°C
May 15	45°C	43°C	45°C	44°C
May 16	45°C	43°C	45°C	44°C
May 17	46°C	43°C	45°C	45°C
May 18	46°C	45°C	45°C	45°C
May 19	48°C	45°C	45°C	46°C
May 20	48°C	45°C	45°C	46°C
May 21	48°C	45°C	45°C	46°C
May 22	48°C	45°C	45°C	46°C
May 23	50°C	45°C	46°C	47°C
May 24	48°C	45°C	46°C	46°C
May 25	48°C	45°C	46°C	46°C
May 26	48°C	45°C	46°C	46°C
May 27	48°C	46°C	46°C	47°C
May 28	48°C	46°C	46°C	47°C
May 29	46°C	45°C	46°C	46°C
May 30	46°C	46°C	46°C	46°C

Saint John Climate and Swimming Opportunities in May

57°F

Average Day Air Temperature

45°F

Average Night Air Temperature

2 in

Precipitation Amount per Month

13 days

Number of Rainy Days

16 hrs

Daylight
per Day

6 hrs

Sunshine
per Day

11 mph

Average Wind Speed

83%

Average
humidity

Saint John lies within the New Brunswick in Canada. The average daytime temperature in Saint John in May is 14°C (58°F), while the nighttime average is 7°C (44°F). There are typically 13 rainy days during the month, with a total precipitation of 60 mm (2.4 inches). The daylight duration in May in Saint John is 16 hours, with an average of 6 hours of sunshine per day. The average wind speed in May is 18 km/h (11 mph), and the humidity level is around 83%.

The water temperature in Saint John in May ranges from 5°C to 8°C (41°F to 46°F). At the beginning of the month, the average temperature is around 6°C (43°F), shifting to 7°C (45°F) by mid-May and reaching 8°C (46°F) in the last ten days. Overall, the average sea temperature in Saint John for May is 7°C (45°F). The water is frigid, but with warmer air, it might be tolerable for a quick swim. Wetsuits are recommended.

Sea Temperature in May in Nearby Cities

Frequently Asked Questions About Water Temperatures in May in Saint John

What is the sea temperature in Saint John in May?

The water temperature in the Atlantic Ocean in Saint John in May ranges from 5°C to 8°C (41°F to 46°F).

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

The average sea temperature in Saint John in May is 7°C (45°F), and the air temperature is 14°C (58°F), so the water is frigid, but with warmer air, it might be tolerable for a quick swim. Wetsuits are recommended.