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 | 3.6 | 6.1 | 12.7 | 19.3 | 24.7 | 29.6 | 31.5 | 30.6 | 27.1 | 20.9 | 13.4 | 6.3 |
°F | 38.4 | 43 | 54.8 | 66.7 | 76.5 | 85.3 | 88.7 | 87.1 | 80.8 | 69.6 | 56.1 | 43.4 |
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 | 82 | 83 | 122 | 108 | 128 | 94 | 106 | 77 | 72 | 71 | 104 | 94 |
inches | 3.2 | 3.3 | 4.8 | 4.3 | 5 | 3.7 | 4.2 | 3 | 2.8 | 2.8 | 4.1 | 3.7 |
Rainy days | 10 | 9 | 12 | 11 | 11 | 9 | 9 | 8 | 8 | 8 | 10 | 11 |
Average annual rainfall in Mount Vernon: 1090.1mm (429.2 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 | 5.1 | 5.8 | 6.9 | 8.3 | 9.6 | 11.1 | 11 | 10.4 | 8.8 | 7.7 | 5.2 | 4.6 |
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 | -6.2 | -4.2 | 1.9 | 7.5 | 12.4 | 17.3 | 19.4 | 18.1 | 14.2 | 7.2 | 2.6 | -3.2 |
Max °C | 3.8 | 6.4 | 13 | 19.6 | 25 | 29.9 | 31.8 | 30.9 | 27.5 | 21.2 | 13.7 | 6.6 |
Min °F | 20.8 | 24.5 | 35.3 | 45.4 | 54.3 | 63.1 | 66.9 | 64.6 | 57.5 | 45 | 36.6 | 26.3 |
Max °F | 29.8 | 34 | 45.3 | 56.3 | 65.7 | 74.5 | 78.1 | 76.1 | 69.4 | 57.6 | 46.6 | 35.1 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 10.2 | 9.5 | 9.8 | 11.3 | 14.1 | 18.5 | 22.7 | 24.5 | 22.9 | 18.5 | 14.6 | 11.8 |
°F | 50.3 | 49.1 | 49.6 | 52.3 | 57.4 | 65.2 | 72.9 | 76.1 | 73.2 | 65.3 | 58.2 | 53.3 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 16 | 16 | 17 | 17 | 14 | 13 | 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% | 71% | 68% | 65% | 68% | 68% | 71% | 73% | 73% | 69% | 71% | 74% |
Hottest month: | July | 31.5°C 88.7°F |
---|---|---|
Driest month: | October | 71mm 2.8ins |
Sunniest month: | August | 10.4hrs |
Coldest month: | January | 3.6°C 38.5°F |
Wettest month: | May | 128mm 5ins |
Warmest sea: | August | 24.5°C 76.1°F |