World Resorts Canada Oshawa Weather

Oshawa Sea Temperature in March

Average sea water temperature in March:
+37.1°F
Minimum sea water temperature in March: 40.6°F
Maximum sea water temperature in March: 33.6°F

Daily sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 35.3°F. The highest and lowest sea temperatures during the month were 36.9°F and 34.2°F.

Monthly sea water temperature in Oshawa, °F

Which Canada resorts have warmest sea in March?

Place name March 2026 March 2025
Tofino 47.6°F 46.4°F
Victoria 47.1°F 45.9°F
Surrey 46.7°F 46.4°F
Vancouver 46.4°F 45.7°F
North Vancouver 46.4°F 45.7°F
Nanaimo 45.9°F 46.3°F
Kingston 36.8°F 36.5°F
Hamilton 36.0°F 37.2°F
Windsor 35.9°F 37.4°F
Mississauga 35.9°F 36.4°F
Toronto 35.7°F 36.1°F
Oshawa 35.3°F 36.8°F
Niagara-on-the-Lake 35.3°F 36.2°F
Saint John 35.2°F 36.1°F
Saint Andrews 34.9°F 36.0°F
Halifax 34.3°F 35.7°F
Lunenburg 34.3°F 35.2°F
Niagara Falls 33.6°F 34.2°F
Quebec 32.9°F 31.4°F
Thunder Bay 32.7°F 33.1°F

Best time for vacation in Oshawa

Sunniest months:
September 15 days
August 14 days
July 12 days
Warmest months:
July 76.1 °F
August 75.3 °F
June 69.8 °F
Warmest sea temp:
August 70.6 °F
September 67.3 °F
July 67.1 °F
Coldest months:
January 26.6 °F
February 27.6 °F
December 33.6 °F
Rainiest months:
July 3 days
April 3 days
March 2 days
Windiest months:
December 11.7 mph
November 11.7 mph
January 11.7 mph

Oshawa on a weather map

Oshawa
+12°F
E 29 mph
Feels like: -2°F
Precip.: 100%
Places in Canada:
Name
°F
+48°F
+48°F
0°F
+55°F
+34°F
+19°F
+57°F
+30°F
+10°F
+23°F
+50°F
+39°F
+46°F
+12°F
24 Hours Forecast
Oshawa
Local time: 06:26
March 17, tuesday
0900
12°F
E
22 mph
1200
16°F
E
23 mph
1500
19°F
SE
21 mph
1800
21°F
SE
19 mph
2100
19°F
E
16 mph
March 18, wednesday
0000
18°F
SE
11 mph
0300
19°F
SE
9 mph
0600
18°F
SE
4 mph
Units of measurement: °C / °F