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 | 7.6 | 10.2 | 15.8 | 21.3 | 25.2 | 29.1 | 30.6 | 30.2 | 27 | 21.4 | 15.4 | 9.8 |
°F | 45.7 | 50.4 | 60.5 | 70.3 | 77.4 | 84.4 | 87.1 | 86.4 | 80.6 | 70.6 | 59.7 | 49.6 |
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 | 117 | 113 | 146 | 107 | 116 | 98 | 126 | 97 | 98 | 80 | 114 | 130 |
inches | 4.6 | 4.5 | 5.8 | 4.2 | 4.6 | 3.9 | 5 | 3.8 | 3.9 | 3.1 | 4.5 | 5.1 |
Rainy days | 11 | 10 | 12 | 10 | 11 | 10 | 11 | 10 | 8 | 8 | 10 | 11 |
Average annual rainfall in Decatur: 1293.533mm (509.3 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 | 4.9 | 5.7 | 6.9 | 8.6 | 9.5 | 9.9 | 9.4 | 9.1 | 8.1 | 7.5 | 5.5 | 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 | -3.1 | -1.5 | 3.1 | 7.4 | 11.9 | 16.4 | 18.9 | 18.5 | 15.1 | 7.9 | 3.3 | -1.1 |
Max °C | 7.9 | 10.5 | 16.2 | 21.6 | 25.6 | 29.4 | 30.9 | 30.5 | 27.3 | 21.8 | 15.7 | 10.1 |
Min °F | 26.5 | 29.3 | 37.5 | 45.3 | 53.3 | 61.5 | 66 | 65.3 | 59.2 | 46.1 | 37.9 | 30.1 |
Max °F | 36.3 | 40.1 | 49.3 | 58.1 | 65.7 | 73.2 | 76.8 | 76.1 | 70.2 | 58.6 | 49.1 | 40.1 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 12.1 | 11.3 | 11.7 | 13.6 | 17.2 | 21.9 | 25.5 | 26.4 | 24.8 | 20.9 | 16.9 | 14 |
°F | 53.8 | 52.4 | 53 | 56.4 | 63 | 71.4 | 77.9 | 79.5 | 76.6 | 69.6 | 62.5 | 57.2 |
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 | 13 | 12 | 10 | 10 | 9 | 9 | 10 | 12 | 13 |
mph | 8 | 9 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 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% | 65% | 63% | 71% | 73% | 75% | 76% | 76% | 73% | 72% | 73% |
Hottest month: | July | 30.6°C 87.1°F |
---|---|---|
Driest month: | October | 80mm 3.1ins |
Sunniest month: | June | 9.9hrs |
Coldest month: | January | 7.6°C 45.7°F |
Wettest month: | March | 146mm 5.7ins |
Warmest sea: | August | 26.4°C 79.5°F |