Please click on any column to get detailed information about Oshawa weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in Oshawa is july. The average daily temp is 76.1°F. The average nightly temp is 65.2°F.
Sea water temperature, °F
The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 70.6°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
Best time for vacation in Oshawa
Oshawa on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Oshawa
Local time: 07:27
July 17, friday
0900

70°F
W
4 mph
4 mph
1200

79°F
NW
4 mph
4 mph
1500

84°F
N
4 mph
4 mph
1800

82°F
E
2 mph
2 mph
2100

68°F
SE
1 mph
1 mph
July 18, saturday
0000

66°F
S
4 mph
4 mph
0300

68°F
NW
2 mph
2 mph
0600

66°F
N
2 mph
2 mph




























