Measurements:
°C
°F
CURRENT WEATHER
11:16
Saint John
30°F
SW 12 mph
Feels like: 20°F
Precip: 100%
World Resorts Canada Saint John Weather

7 Day Weather Forecast

01.11
sun
DAY
30°F
SW 12 mph
precip
100%
NIGHT
28°F
SE 7 mph
precip
0%
01.12
mon
DAY
28°F
SE 17 mph
precip
0%
NIGHT
22°F
E 7 mph
precip
0%
01.13
tue
DAY
30°F
E 9 mph
precip
0%
NIGHT
28°F
N 5 mph
precip
0%
01.14
wed
DAY
42°F
N 22 mph
precip
100%
NIGHT
38°F
NE 10 mph
precip
0%
01.15
thu
DAY
38°F
W 2 mph
precip
100%
NIGHT
18°F
S 19 mph
precip
100%
01.16
fri
DAY
14°F
SW 19 mph
precip
100%
NIGHT
8°F
SE 13 mph
precip
0%
01.17
sat
DAY
16°F
E 7 mph
precip
0%
NIGHT
26°F
NE 10 mph
precip
22%

Saint John Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Saint John was 4.3°F. The maximum and minimum values were 3.5°F and 5.5°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 30.5 °F
The most rainy months:
October 3 days
July 3 days
June 2 days
The most windy months:
December 9 mph
March 9 mph
February 8 mph
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