The bar chart below shows the average monthly peak daytime temperatures at Saint Charles
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 3 | 5.6 | 12.3 | 19 | 24.2 | 29.2 | 31.5 | 30.3 | 26.3 | 20.1 | 12.4 | 5.2 |
°F | 37.3 | 42.1 | 54.2 | 66.2 | 75.5 | 84.6 | 88.7 | 86.6 | 79.3 | 68.1 | 54.3 | 41.3 |
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 | 44 | 51 | 84 | 95 | 104 | 94 | 93 | 76 | 82 | 68 | 78 | 68 |
inches | 1.7 | 2 | 3.3 | 3.7 | 4.1 | 3.7 | 3.7 | 3 | 3.2 | 2.7 | 3.1 | 2.7 |
Rainy days | 8 | 8 | 11 | 11 | 11 | 9 | 9 | 8 | 8 | 8 | 10 | 10 |
Average annual rainfall in Saint Charles: 884.733mm (348.3 inches)
The bar chart below shows the average daily sunshine hours in Saint Charles
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 5.7 | 6.1 | 6.9 | 8 | 9.2 | 10.5 | 10.7 | 9.4 | 8.5 | 7.3 | 5.2 | 4.7 |
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 | -6.6 | -4.3 | 1.6 | 7.7 | 13 | 18.3 | 20.9 | 19.4 | 15.3 | 8.7 | 2.8 | -3.6 |
Max °C | 3.2 | 5.9 | 12.6 | 19.3 | 24.5 | 29.5 | 31.8 | 30.6 | 26.6 | 20.4 | 12.7 | 5.4 |
Min °F | 20.1 | 24.4 | 34.9 | 45.9 | 55.3 | 64.9 | 69.5 | 66.9 | 59.5 | 47.6 | 37 | 25.5 |
Max °F | 28.9 | 33.4 | 44.8 | 56.3 | 65.7 | 75 | 79.3 | 77 | 69.6 | 58.1 | 45.9 | 33.6 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 10.3 | 9.8 | 10.4 | 11.8 | 14 | 16.6 | 19.7 | 22.6 | 21.2 | 17.1 | 13.9 | 11.7 |
°F | 50.5 | 49.7 | 50.7 | 53.2 | 57.1 | 61.9 | 67.5 | 72.7 | 70.2 | 62.8 | 56.9 | 53 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 19 | 19 | 21 | 20 | 17 | 16 | 14 | 14 | 14 | 16 | 18 | 18 |
mph | 12 | 12 | 13 | 12 | 10 | 10 | 9 | 9 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
73% | 72% | 68% | 64% | 67% | 67% | 68% | 70% | 72% | 69% | 72% | 76% |
Hottest month: | July | 31.5°C 88.7°F |
---|---|---|
Driest month: | January | 44mm 1.7ins |
Sunniest month: | July | 10.7hrs |
Coldest month: | January | 3°C 37.4°F |
Wettest month: | May | 104mm 4.1ins |
Warmest sea: | August | 22.6°C 72.7°F |