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 | 5.7 | 8.4 | 14.3 | 20.2 | 24.5 | 28.9 | 31.9 | 31.2 | 26.8 | 21.2 | 13.8 | 7.6 |
°F | 42.2 | 47.1 | 57.8 | 68.4 | 76.2 | 84 | 89.4 | 88.1 | 80.2 | 70.1 | 56.8 | 45.7 |
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 | 45 | 59 | 96 | 106 | 120 | 125 | 82 | 96 | 116 | 96 | 95 | 75 |
inches | 1.8 | 2.3 | 3.8 | 4.2 | 4.7 | 4.9 | 3.2 | 3.8 | 4.6 | 3.8 | 3.7 | 3 |
Rainy days | 8 | 8 | 10 | 11 | 11 | 10 | 7 | 8 | 9 | 8 | 8 | 9 |
Average annual rainfall in Mount Vernon: 1053.033mm (414.6 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 | 6.2 | 7.3 | 8.5 | 9.3 | 10.2 | 11.1 | 10.1 | 8.4 | 7.6 | 5.7 | 5.3 |
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 | -3.5 | 1.8 | 7.3 | 12.2 | 16.8 | 19.4 | 18.3 | 14.5 | 8.1 | 2.2 | -3.3 |
Max °C | 6 | 8.7 | 14.7 | 20.6 | 24.9 | 29.2 | 32.2 | 31.5 | 27.1 | 21.5 | 14.1 | 7.9 |
Min °F | 21.3 | 25.8 | 35.2 | 45.1 | 53.9 | 62.2 | 66.9 | 64.9 | 58.1 | 46.6 | 35.9 | 26.1 |
Max °F | 32 | 36.7 | 46.8 | 57 | 65.3 | 73.4 | 78.4 | 76.8 | 69.4 | 58.6 | 46.6 | 36.1 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 11.7 | 11.4 | 12 | 13.5 | 15.7 | 18.2 | 20.7 | 22.9 | 21.7 | 18.2 | 15.2 | 13 |
°F | 53 | 52.4 | 53.6 | 56.2 | 60.2 | 64.7 | 69.2 | 73.2 | 71 | 64.8 | 59.3 | 55.5 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 18 | 18 | 20 | 19 | 16 | 14 | 13 | 13 | 14 | 16 | 17 | 18 |
mph | 11 | 11 | 13 | 12 | 10 | 9 | 8 | 8 | 9 | 10 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
68% | 69% | 65% | 64% | 71% | 72% | 70% | 70% | 73% | 68% | 70% | 71% |
Hottest month: | July | 31.9°C 89.4°F |
---|---|---|
Driest month: | January | 45mm 1.8ins |
Sunniest month: | July | 11.1hrs |
Coldest month: | January | 5.7°C 42.3°F |
Wettest month: | June | 125mm 4.9ins |
Warmest sea: | August | 22.9°C 73.2°F |