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 | 3.1 | 5.6 | 12.3 | 18.9 | 24.2 | 29.2 | 31.2 | 30.1 | 26.6 | 20.4 | 12.7 | 5.6 |
°F | 37.6 | 42.1 | 54.2 | 65.9 | 75.6 | 84.6 | 88.2 | 86.3 | 79.8 | 68.7 | 54.9 | 42.1 |
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 | 59 | 68 | 109 | 106 | 113 | 88 | 101 | 81 | 83 | 74 | 102 | 91 |
inches | 2.3 | 2.7 | 4.3 | 4.2 | 4.4 | 3.5 | 4 | 3.2 | 3.3 | 2.9 | 4 | 3.6 |
Rainy days | 9 | 9 | 12 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 10 | 10 |
Average annual rainfall in Mount Vernon: 1024.833mm (403.5 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 | 5.3 | 5.9 | 6.8 | 8.2 | 9.6 | 11 | 11 | 10.2 | 8.8 | 7.6 | 5.1 | 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 | -7.6 | -5.5 | 0.8 | 6.9 | 11.7 | 16.7 | 18.9 | 17.6 | 13.5 | 6.7 | 1.6 | -4.3 |
Max °C | 3.4 | 5.9 | 12.6 | 19.2 | 24.5 | 29.6 | 31.5 | 30.5 | 26.9 | 20.7 | 13 | 5.9 |
Min °F | 18.4 | 22.1 | 33.4 | 44.3 | 53.1 | 62 | 66 | 63.6 | 56.3 | 44.1 | 34.9 | 24.4 |
Max °F | 28.2 | 32.4 | 44.1 | 55.4 | 64.6 | 73.6 | 77.4 | 75.2 | 68.4 | 56.7 | 45.1 | 33.4 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 9.6 | 9.1 | 9.4 | 10.8 | 13.2 | 16.7 | 20.6 | 23.2 | 21.6 | 17.2 | 13.6 | 11.2 |
°F | 49.3 | 48.3 | 48.9 | 51.4 | 55.8 | 62.1 | 69.2 | 73.7 | 70.9 | 63 | 56.5 | 52.1 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 18 | 18 | 19 | 18 | 16 | 14 | 12 | 12 | 13 | 14 | 17 | 17 |
mph | 11 | 11 | 12 | 11 | 10 | 9 | 8 | 7 | 8 | 9 | 10 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
72% | 72% | 68% | 65% | 67% | 67% | 70% | 72% | 72% | 69% | 72% | 75% |
Hottest month: | July | 31.2°C 88.2°F |
---|---|---|
Driest month: | January | 59mm 2.3ins |
Sunniest month: | July | 11hrs |
Coldest month: | January | 3.1°C 37.6°F |
Wettest month: | May | 113mm 4.4ins |
Warmest sea: | August | 23.2°C 73.8°F |