The bar chart below shows the average monthly peak daytime temperatures at Decatur
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 0.4 | 3.3 | 10.3 | 17.9 | 23.9 | 28.8 | 30.5 | 29.2 | 26 | 19.2 | 11 | 3.1 |
°F | 32.8 | 37.9 | 50.6 | 64.2 | 75 | 83.8 | 86.9 | 84.6 | 78.8 | 66.6 | 51.7 | 37.6 |
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 | 49 | 48 | 80 | 96 | 102 | 100 | 107 | 93 | 81 | 71 | 77 | 72 |
inches | 1.9 | 1.9 | 3.2 | 3.8 | 4 | 3.9 | 4.2 | 3.7 | 3.2 | 2.8 | 3 | 2.8 |
Rainy days | 10 | 9 | 12 | 12 | 10 | 9 | 9 | 8 | 9 | 8 | 10 | 11 |
Average annual rainfall in Decatur: 928mm (365.4 inches)
The bar chart below shows the average daily sunshine hours in Decatur
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 5.4 | 5.9 | 6.5 | 8 | 9.6 | 11 | 10.9 | 10 | 8.7 | 7.4 | 4.9 | 4.4 |
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 | -9.1 | -6.7 | -0.6 | 5.4 | 10.8 | 15.7 | 18 | 16.7 | 12.7 | 6.5 | 0.8 | -5.8 |
Max °C | 0.7 | 3.5 | 10.6 | 18.2 | 24.2 | 29.1 | 30.8 | 29.5 | 26.3 | 19.6 | 11.2 | 3.4 |
Min °F | 15.7 | 19.9 | 30.9 | 41.7 | 51.4 | 60.3 | 64.4 | 62.1 | 54.9 | 43.6 | 33.4 | 21.7 |
Max °F | 24.4 | 29.1 | 41 | 53.2 | 63.5 | 72.3 | 75.9 | 73.6 | 67.1 | 55.4 | 42.8 | 29.8 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 8.6 | 8 | 8.3 | 9.5 | 11.8 | 15.3 | 19.6 | 22.4 | 20.8 | 16.2 | 12.6 | 10.1 |
°F | 47.5 | 46.4 | 46.9 | 49.1 | 53.2 | 59.6 | 67.2 | 72.3 | 69.4 | 61.2 | 54.6 | 50.2 |
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 | 13 | 13 | 14 | 16 | 18 | 19 |
mph | 12 | 12 | 13 | 13 | 11 | 10 | 8 | 8 | 9 | 10 | 11 | 12 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
74% | 74% | 71% | 65% | 66% | 67% | 71% | 74% | 72% | 69% | 74% | 78% |
Hottest month: | July | 30.5°C 86.9°F |
---|---|---|
Driest month: | February | 48mm 1.9ins |
Sunniest month: | July | 10.9hrs |
Coldest month: | January | 0.4°C 32.7°F |
Wettest month: | July | 107mm 4.2ins |
Warmest sea: | August | 22.4°C 72.3°F |