World Resorts Canada Saint John Weather

Saint John Sea Temperature in January

Average sea water temperature in January:
+41.3°F
Minimum sea water temperature in January: 45.9°F
Maximum sea water temperature in January: 37.2°F

Daily 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.

Monthly sea water temperature in Saint John, °F

Which Canada resorts have warmest sea in January?

Place name January 2025 January 2024
Tofino 47.5°F 47.5°F
Victoria 47.1°F 47.2°F
Surrey 45.4°F 45.5°F
Nanaimo 45.1°F 45.3°F
Vancouver 45.0°F 44.4°F
North Vancouver 45.0°F 44.4°F
Saint John 39.8°F 41.3°F
Saint Andrews 38.7°F 39.7°F
Niagara-on-the-Lake 38.6°F 38.6°F
Kingston 38.2°F 39.9°F
Hamilton 38.0°F 38.1°F
Toronto 37.9°F 38.4°F
Mississauga 37.8°F 38.0°F
Oshawa 37.2°F 38.3°F
Halifax 36.6°F 37.3°F
Lunenburg 36.5°F 37.4°F
Montreal 36.3°F 36.4°F
Niagara Falls 36.2°F 36.6°F
Thunder Bay 35.1°F 35.0°F
St. John's 35.0°F 33.7°F

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 32.5 °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
+19°F
NE 2 mph
Feels like: +16°F
Precip.: 0%
Places in Canada:
Name
°F
+36°F
+39°F
-6°F
+19°F
-4°F
+16°F
+36°F
+18°F
+55°F
+19°F
+19°F
+32°F
+27°F
+39°F
24 Hours Forecast
Saint John
Local time: 04:01
December 29, monday
0600
18°F
E
2 mph
0900
27°F
NW
4 mph
1200
34°F
NW
10 mph
1500
36°F
NW
15 mph
1800
37°F
NW
17 mph
2100
39°F
NW
21 mph
December 30, tuesday
0000
41°F
NW
11 mph
0300
39°F
NE
17 mph
Units of measurement: °C / °F