Oshawa monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Oshawa

Oshawa average temperature chart (Celsius) Oshawa average temperature chart (Fahrenheit)
Average monthly temperatures in Oshawa (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -3 -1.9 3.6 10.7 17.6 22.5 25.6 24.4 19.9 13 6.5 -0.1
°F 26.7 28.6 38.5 51.3 63.7 72.5 78.1 76 67.8 55.5 43.8 31.9

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Oshawa monthly rainfall chart (mm) Oshawa monthly rainfall chart (inches)
Average monthly rainfall in Oshawa (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 52 48 56 65 70 76 69 83 81 72 82 75
inches 2.1 1.9 2.2 2.6 2.8 3 2.7 3.3 3.2 2.8 3.2 2.9
Rainy days 11 9 10 11 12 10 9 11 11 12 12 12

Average annual rainfall in Oshawa: 793.2mm (312.3 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Oshawa

Oshawa average daily sunshine chart
Average daily sunshine Oshawa
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.2 4.2 5.1 6.5 7.9 9.1 9.8 8.5 6.2 4.9 2.9 2.4

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Oshawa average minimum / maximum temperatures (Celsius) Oshawa average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Oshawa (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11.3 -10.1 -4.8 1.1 6.9 11.5 14.8 14.1 10.1 4.2 -0.3 -7.3
Max °C -2.8 -1.7 3.8 11 17.9 22.8 25.9 24.7 20.2 13.3 6.7 0.1
Min °F 11.8 13.8 23.4 33.9 44.4 52.6 58.6 57.4 50.1 39.5 31.5 18.9
Max °F 19.4 21.4 31.1 42.8 54.3 62.8 68.5 66.9 59.2 47.7 37.8 25.5

Sea temperature

The graph below shows the average sea temperature.

Oshawa average sea temperature chart (Celsius) Oshawa average sea temperature chart (Fahrenheit)
Average sea temperature around Oshawa in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.4 2.4 2.3 3.3 6.6 13.6 19.8 21.6 19.3 14.1 9.2 5.3
°F 38.1 36.4 36.1 37.9 43.9 56.4 67.7 70.8 66.7 57.4 48.6 41.6

Wind speed

The graph below shows the average wind speed.

Oshawa average winspeed by month (km/h) Oshawa average winspeed by month (mph)
Average wind speed in Oshawa (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 19 18 18 15 13 13 12 13 15 18 18
mph 12 12 11 11 9 8 8 8 8 9 11 11

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Oshawa relative humidity averages
Average relative humidity in Oshawa
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
79% 78% 75% 69% 68% 70% 71% 74% 77% 77% 80% 81%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Oshawa weather stats

Oshawa weather statistics
Hottest month: July 25.6°C 78.1°F
Driest month: February 48mm 1.9ins
Sunniest month: July 9.8hrs
Coldest month: January -3°C 26.6°F
Wettest month: August 83mm 3.3ins
Warmest sea: August 21.6°C 70.9°F
Map showing location of Oshawa (43.90012, -78.84957) Oshawa map pin © Google

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