Measurements:
°C
°F
CURRENT WEATHER
22:07
Saint John
36°F
NE 11 mph
Feels like: 28°F
Precip: 0%
World Resorts Canada Saint John Weather

7 Day Weather Forecast

03.09
mon
DAY
46°F
NE 11 mph
precip
0%
NIGHT
36°F
NE 12 mph
precip
0%
03.10
tue
DAY
36°F
N 3 mph
precip
0%
NIGHT
34°F
SE 2 mph
precip
0%
03.11
wed
DAY
30°F
W 12 mph
precip
0%
NIGHT
32°F
NW 12 mph
precip
100%
03.12
thu
DAY
40°F
NE 16 mph
precip
0%
NIGHT
26°F
SE 14 mph
precip
0%
03.13
fri
DAY
24°F
E 11 mph
precip
0%
NIGHT
26°F
NE 7 mph
precip
100%
03.14
sat
DAY
30°F
W 17 mph
precip
100%
NIGHT
20°F
S 12 mph
precip
0%
03.15
sun
DAY
24°F
NW 4 mph
precip
0%
NIGHT
34°F
N 17 mph
precip
100%

Saint John Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Saint John was 2.3°F. The maximum and minimum values were 1.2°F and 3.0°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:
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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