Measurements:
°C
°F
CURRENT WEATHER
12:16
Saint John
30°F
S 7 mph
Feels like: 22°F
Precip: 0%
World Resorts Canada Saint John Weather

7 Day Weather Forecast

12.26
thu
DAY
30°F
S 7 mph
precip
0%
NIGHT
22°F
S 5 mph
precip
0%
12.27
fri
DAY
32°F
SE 2 mph
precip
0%
NIGHT
18°F
SE 3 mph
precip
0%
12.28
sat
DAY
28°F
S 3 mph
precip
0%
NIGHT
22°F
S 4 mph
precip
0%
12.29
sun
DAY
30°F
W 4 mph
precip
0%
NIGHT
32°F
NW 9 mph
precip
80%
12.30
mon
DAY
38°F
NW 13 mph
precip
0%
NIGHT
38°F
NE 6 mph
precip
38%
12.31
tue
DAY
34°F
S 6 mph
precip
0%
NIGHT
34°F
W 6 mph
precip
28%
01.01
wed
DAY
44°F
N 9 mph
precip
100%
NIGHT
32°F
E 6 mph
precip
0%

Saint John Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Saint John was 7.3°F. The maximum and minimum values were 5.9°F and 8.6°F respectively.

Saint John on the Weather Map

Best Time to Visit Saint John
The most sunny months:
September 10 days
August 9 days
October 9 days
The most warm months:
July 76.3 °F
August 75.0 °F
June 70.6 °F
Warmest sea temperature:
August 60.6 °F
September 59.3 °F
July 58.0 °F
The most cold months:
January 22.6 °F
February 23.2 °F
December 31.3 °F
The most rainy months:
July 4 days
March 3 days
October 3 days
The most windy months:
March 9 mph
December 8 mph
February 8 mph
more details