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 | 0.3 | 2.3 | 9.1 | 15.4 | 21.3 | 25.9 | 27.9 | 26.9 | 23.4 | 17 | 10 | 3 |
°F | 32.6 | 36.1 | 48.3 | 59.8 | 70.3 | 78.7 | 82.1 | 80.3 | 74.1 | 62.6 | 49.9 | 37.5 |
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 | 58 | 53 | 83 | 92 | 103 | 99 | 107 | 90 | 79 | 58 | 82 | 69 |
inches | 2.3 | 2.1 | 3.3 | 3.6 | 4.1 | 3.9 | 4.2 | 3.6 | 3.1 | 2.3 | 3.2 | 2.7 |
Rainy days | 14 | 12 | 14 | 13 | 12 | 11 | 11 | 10 | 9 | 10 | 12 | 14 |
Average annual rainfall in Mount Vernon: 931.6mm (366.8 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 | 3.8 | 4.8 | 5.6 | 7.1 | 8.3 | 9.3 | 9.2 | 8.3 | 7.5 | 6.2 | 3.6 | 2.8 |
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 | -8.8 | -7.5 | -2 | 3.1 | 8.6 | 13.4 | 15.9 | 14.9 | 11.1 | 4.7 | 0 | -5.5 |
Max °C | 0.6 | 2.5 | 9.4 | 15.8 | 21.6 | 26.3 | 28.2 | 27.2 | 23.7 | 17.3 | 10.2 | 3.3 |
Min °F | 16.3 | 18.5 | 28.5 | 37.5 | 47.5 | 56 | 60.5 | 58.7 | 52 | 40.5 | 32 | 22.2 |
Max °F | 24.6 | 27.5 | 38.7 | 48.9 | 59.2 | 67.6 | 71.6 | 69.8 | 63.3 | 51.8 | 41.2 | 30 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 3.1 | 2.1 | 2.3 | 4.8 | 10.4 | 17.5 | 22.7 | 23.8 | 21.4 | 16.1 | 10.6 | 5.8 |
°F | 37.6 | 35.9 | 36.2 | 40.7 | 50.7 | 63.4 | 72.9 | 74.8 | 70.4 | 60.9 | 51 | 42.4 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 18 | 18 | 18 | 18 | 15 | 14 | 12 | 12 | 12 | 14 | 17 | 18 |
mph | 11 | 11 | 11 | 11 | 9 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
73% | 72% | 68% | 64% | 67% | 70% | 71% | 74% | 74% | 70% | 73% | 76% |
Hottest month: | July | 27.9°C 82.2°F |
---|---|---|
Driest month: | February | 53mm 2.1ins |
Sunniest month: | July | 9.2hrs |
Coldest month: | January | 0.3°C 32.5°F |
Wettest month: | July | 107mm 4.2ins |
Warmest sea: | August | 23.8°C 74.8°F |