Measurements:
°C
°F
CURRENT WEATHER
11:05
Saint John
70°F
NE 6 mph
Feels like: 70°F
Precip: 6%
World Resorts Canada Saint John Weather

7 Day Weather Forecast

06.17
wed
DAY
70°F
NE 6 mph
precip
6%
NIGHT
50°F
N 2 mph
precip
20%
06.18
thu
DAY
60°F
NW 7 mph
precip
9%
NIGHT
56°F
NE 9 mph
precip
42%
06.19
fri
DAY
66°F
E 12 mph
precip
21%
NIGHT
52°F
NE 7 mph
precip
28%
06.20
sat
DAY
66°F
NE 10 mph
precip
48%
NIGHT
52°F
E 6 mph
precip
22%
06.21
sun
DAY
58°F
S 7 mph
precip
23%
NIGHT
48°F
SE 4 mph
precip
22%
06.22
mon
DAY
62°F
N 6 mph
precip
12%
NIGHT
50°F
W 7 mph
precip
72%
06.23
tue
DAY
56°F
SW 16 mph
precip
24%
NIGHT
48°F
S 5 mph
precip
14%

Saint John Sea Water Temperature in June, °F

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Saint John was 8.9°F. The maximum and minimum values were 7.4°F and 10.7°F respectively.

Saint John on the Weather Map

Best Time to Visit Saint John
The most sunny months:
September 10 days
October 10 days
August 9 days
The most warm months:
July 75.1 °F
August 74.3 °F
June 70.1 °F
Warmest sea temperature:
August 60.6 °F
September 59.3 °F
July 57.7 °F
The most cold months:
January 22.9 °F
February 23.7 °F
December 30.5 °F
The most rainy months:
July 3 days
October 3 days
May 2 days
The most windy months:
March 9 mph
December 9 mph
February 8 mph
more details