Measurements:
°C
°F
CURRENT WEATHER
02:30
Saint John
16°F
E 11 mph
Feels like: 4°F
Precip: 0%
World Resorts Canada Saint John Weather

7 Day Weather Forecast

12.13
sat
DAY
26°F
E 9 mph
precip
0%
NIGHT
30°F
SE 3 mph
precip
100%
12.14
sun
DAY
28°F
SE 7 mph
precip
0%
NIGHT
24°F
SE 11 mph
precip
0%
12.15
mon
DAY
22°F
SE 15 mph
precip
0%
NIGHT
14°F
E 10 mph
precip
0%
12.16
tue
DAY
20°F
E 7 mph
precip
0%
NIGHT
18°F
E 4 mph
precip
0%
12.17
wed
DAY
38°F
NE 22 mph
precip
72%
NIGHT
36°F
E 17 mph
precip
0%
12.18
thu
DAY
28°F
SE 9 mph
precip
0%
NIGHT
30°F
NW 7 mph
precip
100%
12.19
fri
DAY
34°F
E 15 mph
precip
0%
NIGHT
20°F
SE 19 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 7.0°F. The maximum and minimum values were 4.7°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
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 23.2 °F
December 31.4 °F
The most rainy months:
July 3 days
October 3 days
December 2 days
The most windy months:
March 9 mph
February 8 mph
December 8 mph
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