The bar chart below shows the average monthly peak daytime temperatures at Mount Vernon
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 3.7 | 6.2 | 12.5 | 18.2 | 23.1 | 27.7 | 29.4 | 28.9 | 25.5 | 19.4 | 12.8 | 6.8 |
°F | 38.6 | 43.2 | 54.5 | 64.7 | 73.6 | 81.8 | 85 | 84 | 78 | 67 | 55.1 | 44.2 |
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 | 87 | 83 | 112 | 98 | 111 | 103 | 122 | 97 | 82 | 64 | 89 | 96 |
inches | 3.4 | 3.3 | 4.4 | 3.9 | 4.4 | 4.1 | 4.8 | 3.8 | 3.2 | 2.5 | 3.5 | 3.8 |
Rainy days | 12 | 11 | 13 | 12 | 12 | 10 | 11 | 9 | 9 | 8 | 11 | 12 |
Average annual rainfall in Mount Vernon: 1097.466mm (432.1 inches)
The bar chart below shows the average daily sunshine hours in Mount Vernon
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 4.2 | 4.8 | 5.8 | 7.1 | 8.2 | 8.8 | 8.8 | 8.4 | 7.5 | 6.6 | 4.4 | 3.6 |
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 | -5.3 | -3.7 | 1.9 | 6.8 | 11.8 | 16.5 | 18.7 | 18.1 | 14.4 | 7.9 | 3 | -2.2 |
Max °C | 3.9 | 6.5 | 12.8 | 18.5 | 23.4 | 28 | 29.7 | 29.2 | 25.8 | 19.7 | 13.1 | 7 |
Min °F | 22.5 | 25.4 | 35.3 | 44.2 | 53.2 | 61.6 | 65.7 | 64.5 | 57.9 | 46.2 | 37.3 | 28 |
Max °F | 30.7 | 34.5 | 45.1 | 54.7 | 63.7 | 72 | 75.6 | 74.5 | 68.2 | 56.8 | 46.4 | 36.3 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 8.2 | 7.3 | 7.5 | 9.3 | 13.1 | 18.5 | 23.3 | 24.7 | 22.7 | 18.1 | 13.6 | 10.1 |
°F | 46.7 | 45.2 | 45.5 | 48.7 | 55.5 | 65.3 | 74 | 76.4 | 72.9 | 64.6 | 56.4 | 50.2 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 17 | 17 | 17 | 16 | 14 | 12 | 11 | 11 | 12 | 13 | 15 | 16 |
mph | 10 | 10 | 11 | 10 | 9 | 8 | 7 | 7 | 7 | 8 | 9 | 10 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
72% | 70% | 66% | 63% | 68% | 70% | 73% | 73% | 74% | 69% | 72% | 74% |
Hottest month: | July | 29.4°C 84.9°F |
---|---|---|
Driest month: | October | 64mm 2.5ins |
Sunniest month: | August | 8.4hrs |
Coldest month: | January | 3.7°C 38.7°F |
Wettest month: | July | 122mm 4.8ins |
Warmest sea: | August | 24.7°C 76.5°F |