Weather by months in Oshawa
January
February
March
April
May
June
July
August
September
October
November
December
26ºC
Avg. daily temperature
33ºC
High
10ºC
Low
70 mm
Total precipitation
70%
Avg. humidity
4m/s
Avg. wind
18 
Sunny days
8 
Cloudy days
4 
Rainy days
Air temperature
August
The temperature is between 17 and 25 degrees Celsius.
Low17º25ºHigh
1.8The temperature is between 18 and 26 degrees Celsius.
Low18º26ºHigh
4.8The temperature is between 19 and 27 degrees Celsius.
Low19º27ºHigh
7.8The temperature is between 20 and 28 degrees Celsius.
Low20º28ºHigh
10.8The temperature is between 21 and 29 degrees Celsius.
Low21º29ºHigh
13.8The temperature is between 19 and 27 degrees Celsius.
Low19º27ºHigh
16.8The temperature is between 20 and 28 degrees Celsius.
Low20º28ºHigh
18.8The temperature is between 19 and 27 degrees Celsius.
Low19º27ºHigh
20.8The temperature is between 18 and 26 degrees Celsius.
Low18º26ºHigh
22.8The temperature is between 20 and 28 degrees Celsius.
Low20º28ºHigh
24.8The temperature is between 21 and 29 degrees Celsius.
Low21º29ºHigh
26.8The temperature is between 22 and 30 degrees Celsius.
Low22º30ºHigh
28.8In Oshawa, August experiences a maximum daytime temperature of around 33ºC and a minimum nighttime temperature of 10ºC. The average daily high is about 26ºC, while the average nightly low hovers around 16ºC. Activities like visiting local farmers' markets or swimming in the lake are popular this time of year.





