World Resorts Canada Saint John Weather

Saint John 7 Days Forecast

03.01
sat
Day
14°F
E 11 mph
Precip.
0%
Night
9°F
SE 4 mph
Precip.
0%
04.01
sun
Day
16°F
S 4 mph
Precip.
0%
Night
9°F
SE 5 mph
Precip.
0%
05.01
mon
Day
12°F
SE 12 mph
Precip.
0%
Night
3°F
SE 4 mph
Precip.
0%
06.01
tue
Day
25°F
N 5 mph
Precip.
100%
Night
36°F
N 13 mph
Precip.
100%
07.01
wed
Day
41°F
N 12 mph
Precip.
100%
Night
36°F
E 6 mph
Precip.
30%
08.01
thu
Day
36°F
SE 9 mph
Precip.
0%
Night
36°F
SE 7 mph
Precip.
29%
09.01
fri
Day
37°F
N 6 mph
Precip.
0%
Night
43°F
NE 16 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
06:07
Saint John
+5°F
E 12 mph
Feels like: -11°F
Precip.: 0%
Places in Canada:
Name
°F
Vancouver
+46°F
Victoria
+45°F
Winnipeg
+5°F
Halifax
+14°F
Yellowknife
-20°F
Quebec
-9°F
Kingston
+18°F
Montreal
+3°F
Niagara Falls
+14°F
Prince Edward Island
+9°F
Ottawa
+1°F
Saint John
+5°F
St. John's
+32°F
Sydney
+18°F
Toronto
+16°F
all places
24 Hours Forecast
Saint John
Local time: 06:07
January 03, saturday
0900
9°F
E
11 mph
1200
14°F
E
11 mph
1500
18°F
E
11 mph
1800
16°F
E
9 mph
2100
10°F
E
6 mph
January 04, sunday
0000
9°F
SE
4 mph
0300
7°F
SE
3 mph
0600
7°F
S
3 mph
Units of measurement: °C / °F