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 | 11.4 | 14 | 18.8 | 23.6 | 27.3 | 31.4 | 33.9 | 34.1 | 30.1 | 24.8 | 18.5 | 13.1 |
°F | 52.4 | 57.3 | 65.9 | 74.5 | 81.1 | 88.4 | 93 | 93.3 | 86.2 | 76.7 | 65.4 | 55.6 |
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 | 70 | 82 | 99 | 116 | 139 | 95 | 80 | 57 | 98 | 106 | 103 | 91 |
inches | 2.7 | 3.2 | 3.9 | 4.6 | 5.5 | 3.7 | 3.2 | 2.3 | 3.9 | 4.2 | 4.1 | 3.6 |
Rainy days | 8 | 7 | 9 | 8 | 9 | 8 | 7 | 6 | 7 | 7 | 7 | 8 |
Average annual rainfall in Mount Vernon: 1074.9mm (423.2 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 | 6 | 6.7 | 7.5 | 8.3 | 9.1 | 10.6 | 11.2 | 10.4 | 8.7 | 8 | 6.4 | 5.8 |
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 | -0.9 | 1.5 | 6.1 | 10.9 | 15.2 | 19.4 | 21.2 | 20.8 | 17.4 | 10.9 | 5.8 | 0.8 |
Max °C | 11.7 | 14.4 | 19.2 | 23.9 | 27.6 | 31.7 | 34.2 | 34.4 | 30.5 | 25.2 | 18.9 | 13.4 |
Min °F | 30.5 | 34.6 | 42.9 | 51.6 | 59.4 | 66.8 | 70.2 | 69.4 | 63.2 | 51.5 | 42.4 | 33.4 |
Max °F | 41.7 | 46.2 | 54.7 | 63.3 | 70.5 | 77.9 | 81.9 | 81.7 | 75 | 64.4 | 54.1 | 44.8 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 14.6 | 14.2 | 15 | 16.7 | 19.2 | 21.9 | 24.1 | 25.5 | 24.4 | 21.3 | 18.3 | 16.1 |
°F | 58.2 | 57.6 | 59 | 62.1 | 66.6 | 71.5 | 75.3 | 77.9 | 75.9 | 70.3 | 64.9 | 60.9 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 16 | 17 | 18 | 18 | 16 | 14 | 13 | 13 | 13 | 14 | 16 | 16 |
mph | 10 | 11 | 11 | 11 | 10 | 9 | 8 | 8 | 8 | 9 | 10 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
71% | 68% | 66% | 67% | 72% | 70% | 67% | 67% | 71% | 69% | 71% | 71% |
Hottest month: | July | 33.9°C 93°F |
---|---|---|
Driest month: | August | 57mm 2.2ins |
Sunniest month: | July | 11.2hrs |
Coldest month: | January | 11.4°C 52.5°F |
Wettest month: | May | 139mm 5.5ins |
Warmest sea: | August | 25.5°C 77.9°F |