World Resorts Canada Oshawa Weather

Oshawa Sea Temperature in July

Average sea water temperature in July:
+67.1°F
Minimum sea water temperature in July: 77.0°F
Maximum sea water temperature in July: 56.1°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 67.1°F. The highest and lowest sea temperatures during the month were 74.5°F and 60.4°F.

Monthly sea water temperature in Oshawa, °F

Which Canada resorts have warmest sea in July?

Place name July 2025 July 2024
Montreal 75.8°F 75.3°F
Windsor 75.4°F 73.1°F
Niagara-on-the-Lake 74.3°F 73.2°F
Niagara Falls 72.5°F 71.4°F
Kingston 72.3°F 72.2°F
Winnipeg 70.7°F 70.8°F
Barrie 70.7°F 68.9°F
Hamilton 70.6°F 68.6°F
Quebec 69.7°F 72.2°F
Gimli 69.7°F 69.1°F
Mississauga 68.7°F 67.6°F
Summerside 68.7°F 69.6°F
Toronto 68.5°F 68.1°F
Oshawa 67.1°F 67.0°F
Prince Edward Island 66.5°F 68.0°F
Charlottetown 66.1°F 66.8°F
Surrey 65.4°F 66.2°F
North Vancouver 65.1°F 64.9°F
Vancouver 64.9°F 64.7°F
Nanaimo 64.8°F 65.2°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 27.2 °F
February 27.9 °F
December 34.8 °F
Rainiest months:
July 3 days
April 3 days
March 2 days
Windiest months:
November 11.7 mph
March 11.5 mph
February 11.4 mph

Oshawa on a weather map

Oshawa
+12°F
N 4 mph
Feels like: +7°F
Precip.: 0%
Places in Canada:
Name
°F
+41°F
+45°F
+12°F
+12°F
-8°F
+7°F
-2°F
+3°F
+12°F
-6°F
+25°F
+36°F
+21°F
+16°F
24 Hours Forecast
Oshawa
Local time: 05:32
December 05, friday
0600
12°F
N
4 mph
0900
19°F
N
12 mph
1200
25°F
N
14 mph
1500
28°F
NE
12 mph
1800
30°F
NE
10 mph
2100
30°F
NE
11 mph
December 06, saturday
0000
32°F
NE
15 mph
0300
32°F
NE
16 mph
Units of measurement: °C / °F