World Resorts Canada Saint John Weather

Saint John Sea Temperature in March

Average sea water temperature in March:
+36.3°F
Minimum sea water temperature in March: 39.0°F
Maximum sea water temperature in March: 33.8°F

Daily sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 35.1°F. The highest and lowest sea temperatures during the month were 36.3°F and 33.8°F.

Monthly sea water temperature in Saint John, °F

Which Canada resorts have warmest sea in March?

Place name March 2026 March 2025
Tofino 47.6°F 46.4°F
Victoria 47.2°F 45.9°F
Surrey 47.1°F 46.4°F
North Vancouver 46.6°F 45.7°F
Vancouver 46.5°F 45.7°F
Nanaimo 46.4°F 46.3°F
Kingston 36.5°F 36.5°F
Windsor 36.2°F 37.4°F
Hamilton 36.2°F 37.2°F
Mississauga 35.7°F 36.4°F
Toronto 35.5°F 36.1°F
Niagara-on-the-Lake 35.5°F 36.2°F
Saint Andrews 35.5°F 36.0°F
Oshawa 35.1°F 36.8°F
Saint John 35.1°F 36.1°F
Lunenburg 34.7°F 35.2°F
Halifax 34.5°F 35.7°F
Niagara Falls 34.1°F 34.2°F
Quebec 32.9°F 31.4°F
Montreal 32.9°F 32.3°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 26.3 °F
December 32.4 °F
Rainiest months:
July 3 days
October 3 days
June 2 days
Windiest months:
March 9.0 mph
December 9.0 mph
February 8.6 mph

Saint John on a weather map

Saint John
+34°F
SE 11 mph
Feels like: +27°F
Precip.: 100%
Places in Canada:
Name
°F
+59°F
+61°F
+23°F
+37°F
+23°F
+32°F
+32°F
+34°F
+36°F
+36°F
+18°F
+34°F
+48°F
24 Hours Forecast
Saint John
Local time: 22:14
April 07, tuesday
0000
30°F
SE
9 mph
0300
28°F
SE
7 mph
0600
30°F
SE
6 mph
0900
32°F
SE
8 mph
1200
39°F
E
4 mph
1500
36°F
N
8 mph
1800
34°F
N
4 mph
2100
32°F
S
1 mph
Units of measurement: °C / °F