World Resorts Canada Saint John Weather

Saint John 7 Days Forecast

13.01
tue
Day
37°F
E 9 mph
Precip.
0%
Night
37°F
N 13 mph
Precip.
0%
14.01
wed
Day
41°F
NE 16 mph
Precip.
100%
Night
41°F
N 6 mph
Precip.
100%
15.01
thu
Day
41°F
S 4 mph
Precip.
100%
Night
32°F
SW 7 mph
Precip.
100%
16.01
fri
Day
23°F
SW 16 mph
Precip.
100%
Night
21°F
E 8 mph
Precip.
0%
17.01
sat
Day
28°F
NE 8 mph
Precip.
0%
Night
37°F
N 15 mph
Precip.
57%
18.01
sun
Day
41°F
N 10 mph
Precip.
84%
Night
28°F
NE 17 mph
Precip.
100%
19.01
mon
Day
16°F
E 18 mph
Precip.
0%
Night
21°F
NE 9 mph
Precip.
100%

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 39.8°F. The highest and lowest sea temperatures during the month were 41.9°F and 38.3°F.

Air temperature in Saint John, °F

Precipitation total in Saint John, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Saint John

Sunniest months:
September 10 days
October 10 days
August 9 days
Warmest months:
July 72.6 °F
August 71.8 °F
June 68.1 °F
Warmest sea temp:
August 59.6 °F
September 58.4 °F
July 56.9 °F
Coldest months:
January 25.6 °F
February 25.9 °F
December 32.4 °F
Rainiest months:
October 3 days
July 3 days
June 2 days
Windiest months:
December 9.0 mph
March 8.8 mph
February 8.6 mph

Saint John on a weather map

Current weather
09:14
Saint John
+28°F
E 6 mph
Feels like: +23°F
Precip.: 0%
Places in Canada:
Name
°F
Vancouver
+50°F
Victoria
+50°F
Winnipeg
+36°F
Halifax
+30°F
Yellowknife
-4°F
Quebec
+28°F
Kingston
+34°F
Montreal
+30°F
Niagara Falls
+32°F
Prince Edward Island
+21°F
Ottawa
+28°F
Saint John
+28°F
St. John's
+28°F
Sydney
+25°F
Toronto
+32°F
all places
24 Hours Forecast
Saint John
Local time: 09:14
January 13, tuesday
1200
37°F
E
9 mph
1500
39°F
NE
8 mph
1800
37°F
NE
6 mph
2100
36°F
NE
6 mph
January 14, wednesday
0000
37°F
N
13 mph
0300
37°F
N
15 mph
0600
39°F
N
17 mph
0900
41°F
NE
17 mph
Units of measurement: °C / °F