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 | 14.5 | 16.7 | 21.3 | 25.5 | 29.1 | 32.1 | 33.2 | 32.8 | 30.4 | 25.9 | 21.1 | 16.4 |
°F | 58.1 | 62.1 | 70.3 | 77.9 | 84.4 | 89.7 | 91.8 | 91 | 86.7 | 78.6 | 70 | 61.6 |
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 | 109 | 105 | 113 | 84 | 93 | 109 | 134 | 119 | 81 | 62 | 66 | 92 |
inches | 4.3 | 4.1 | 4.5 | 3.3 | 3.6 | 4.3 | 5.3 | 4.7 | 3.2 | 2.5 | 2.6 | 3.6 |
Rainy days | 10 | 9 | 10 | 7 | 9 | 10 | 13 | 12 | 9 | 6 | 7 | 9 |
Average annual rainfall in Mount Vernon: 1115.867mm (439.3 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 | 6.9 | 8.1 | 9.6 | 10 | 9.9 | 9.4 | 9 | 8.1 | 8.1 | 6.8 | 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 | 1.6 | 3 | 7 | 10.6 | 15 | 19 | 20.9 | 20.7 | 17.9 | 11.6 | 6.8 | 3.1 |
Max °C | 14.8 | 17.1 | 21.7 | 25.9 | 29.5 | 32.4 | 33.5 | 33.1 | 30.7 | 26.3 | 21.5 | 16.8 |
Min °F | 34.9 | 37.3 | 44.5 | 51 | 58.9 | 66.2 | 69.6 | 69.3 | 64.2 | 52.8 | 44.2 | 37.5 |
Max °F | 46.8 | 50 | 57.7 | 64.8 | 72 | 78.3 | 81 | 80.4 | 75.7 | 66 | 57.4 | 49.8 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 17.9 | 17.2 | 17.2 | 18.7 | 22.2 | 25.7 | 27.7 | 28 | 27.1 | 24.3 | 21.3 | 19.3 |
°F | 64.2 | 62.9 | 62.9 | 65.7 | 72 | 78.3 | 81.8 | 82.5 | 80.7 | 75.7 | 70.3 | 66.8 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 13 | 14 | 14 | 14 | 12 | 12 | 11 | 10 | 11 | 12 | 12 | 12 |
mph | 8 | 9 | 9 | 9 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 8 |
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% | 67% | 66% | 70% | 73% | 75% | 78% | 77% | 73% | 73% | 72% |
Hottest month: | July | 33.2°C 91.8°F |
---|---|---|
Driest month: | October | 62mm 2.4ins |
Sunniest month: | April | 9.6hrs |
Coldest month: | January | 14.5°C 58.1°F |
Wettest month: | July | 134mm 5.3ins |
Warmest sea: | August | 28°C 82.4°F |