World Resorts Canada Saint John Weather

Saint John 7 Days Forecast

13.01
tue
Day
37°F
NE 9 mph
Precip.
0%
Night
37°F
N 14 mph
Precip.
0%
14.01
wed
Day
43°F
NE 14 mph
Precip.
0%
Night
41°F
N 9 mph
Precip.
0%
15.01
thu
Day
43°F
NW 2 mph
Precip.
100%
Night
32°F
NE 19 mph
Precip.
0%
16.01
fri
Day
18°F
E 17 mph
Precip.
0%
Night
25°F
NE 7 mph
Precip.
0%
17.01
sat
Day
37°F
NE 14 mph
Precip.
100%
Night
37°F
NE 9 mph
Precip.
100%
18.01
sun
Day
39°F
NE 11 mph
Precip.
73%
Night
28°F
E 12 mph
Precip.
83%
19.01
mon
Day
27°F
E 18 mph
Precip.
0%
Night
21°F
E 11 mph
Precip.
0%

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

Saint John
+36°F
NE 11 mph
Feels like: +28°F
Precip.: 0%
Places in Canada:
Name
°F
+52°F
+54°F
+7°F
+34°F
-6°F
+30°F
+39°F
+34°F
+39°F
+34°F
+36°F
+28°F
+34°F
+37°F
24 Hours Forecast
Saint John
Local time: 22:10
January 14, wednesday
0000
37°F
N
14 mph
0300
37°F
N
16 mph
0600
39°F
N
19 mph
0900
41°F
NE
16 mph
1200
43°F
NE
14 mph
1500
43°F
N
14 mph
1800
43°F
N
10 mph
2100
41°F
N
9 mph
Units of measurement: °C / °F