The bar chart below shows the average monthly peak daytime temperatures at Ottawa
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | -0.9 | 1 | 7.6 | 14.8 | 21.4 | 26.7 | 28.7 | 27.4 | 23.8 | 17 | 9.4 | 2.1 |
°F | 30.4 | 33.7 | 45.8 | 58.7 | 70.5 | 80 | 83.6 | 81.2 | 74.8 | 62.6 | 49 | 35.8 |
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.
The graph below shows the average rainfall and number of rainy days per month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 50 | 46 | 73 | 87 | 91 | 92 | 101 | 88 | 70 | 60 | 73 | 67 |
inches | 2 | 1.8 | 2.9 | 3.4 | 3.6 | 3.6 | 4 | 3.5 | 2.8 | 2.4 | 2.9 | 2.6 |
Rainy days | 13 | 11 | 13 | 13 | 12 | 10 | 10 | 9 | 9 | 9 | 11 | 14 |
Average annual rainfall in Ottawa: 856.4mm (337.2 inches)
The bar chart below shows the average daily sunshine hours in Ottawa
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 4.7 | 5.6 | 6.4 | 7.9 | 9.4 | 10.7 | 10.6 | 9.6 | 8.3 | 6.6 | 4.1 | 3.4 |
The graph below shows the daily range of temperatures for each month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min °C | -9.6 | -8.4 | -2.7 | 2.9 | 9.1 | 14.5 | 16.7 | 15.2 | 11.5 | 5.1 | 0.2 | -5.9 |
Max °C | -0.7 | 1.2 | 7.9 | 15.1 | 21.7 | 27 | 29 | 27.7 | 24.1 | 17.3 | 9.7 | 2.3 |
Min °F | 14.8 | 16.9 | 27.1 | 37.2 | 48.4 | 58 | 62 | 59.3 | 52.7 | 41.2 | 32.3 | 21.4 |
Max °F | 22.8 | 25.5 | 36.7 | 48.2 | 59.7 | 69.3 | 73 | 70.5 | 64 | 52.2 | 40.8 | 28.8 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 4 | 3.2 | 3.2 | 4.9 | 8.7 | 14.9 | 21 | 22.8 | 20.6 | 15.2 | 10.1 | 6.1 |
°F | 39.3 | 37.7 | 37.8 | 40.8 | 47.7 | 58.9 | 69.8 | 73.1 | 69 | 59.4 | 50.1 | 43 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 19 | 18 | 19 | 19 | 16 | 15 | 13 | 12 | 13 | 15 | 17 | 18 |
mph | 12 | 11 | 12 | 12 | 10 | 9 | 8 | 8 | 8 | 9 | 11 | 11 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
74% | 73% | 71% | 66% | 66% | 68% | 71% | 74% | 74% | 72% | 75% | 78% |
Hottest month: | July | 28.7°C 83.7°F |
---|---|---|
Driest month: | February | 46mm 1.8ins |
Sunniest month: | July | 10.6hrs |
Coldest month: | January | -0.9°C 30.4°F |
Wettest month: | July | 101mm 4ins |
Warmest sea: | August | 22.8°C 73°F |