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 | 1.6 | 8.5 | 15.5 | 21.9 | 27.2 | 29.2 | 28 | 24.4 | 17.5 | 9.7 | 2.5 |
°F | 31.3 | 34.9 | 47.3 | 59.9 | 71.5 | 81 | 84.5 | 82.3 | 75.9 | 63.4 | 49.5 | 36.4 |
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 | 57 | 53 | 77 | 95 | 90 | 105 | 96 | 82 | 77 | 64 | 77 | 68 |
inches | 2.2 | 2.1 | 3 | 3.7 | 3.5 | 4.1 | 3.8 | 3.2 | 3 | 2.5 | 3 | 2.7 |
Rainy days | 12 | 11 | 13 | 13 | 11 | 10 | 10 | 9 | 9 | 9 | 11 | 13 |
Average annual rainfall in Decatur: 896.033mm (352.8 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 | 5.1 | 5.9 | 6.8 | 8.5 | 10.1 | 11.5 | 11.4 | 10.4 | 8.9 | 7.1 | 4.4 | 3.8 |
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 | -9.2 | -7.9 | -1.8 | 3.6 | 9.6 | 14.9 | 17.2 | 15.8 | 12.1 | 5.7 | 0.7 | -5.7 |
Max °C | -0.2 | 1.9 | 8.8 | 15.8 | 22.3 | 27.5 | 29.5 | 28.3 | 24.7 | 17.8 | 10 | 2.7 |
Min °F | 15.4 | 17.9 | 28.9 | 38.5 | 49.2 | 58.8 | 62.9 | 60.4 | 53.8 | 42.2 | 33.2 | 21.8 |
Max °F | 23.5 | 26.6 | 38.3 | 49.5 | 60.6 | 70.2 | 73.9 | 71.6 | 65.1 | 53.1 | 41.5 | 29.3 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 5.3 | 4.5 | 4.6 | 6.3 | 10.2 | 16.2 | 21.9 | 23.5 | 21.3 | 16.2 | 11.2 | 7.4 |
°F | 41.6 | 40 | 40.2 | 43.3 | 50.3 | 61.2 | 71.4 | 74.3 | 70.4 | 61.2 | 52.2 | 45.3 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 20 | 19 | 20 | 19 | 17 | 15 | 13 | 13 | 14 | 16 | 18 | 19 |
mph | 12 | 12 | 12 | 12 | 10 | 9 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
75% | 73% | 71% | 66% | 66% | 67% | 70% | 73% | 73% | 71% | 75% | 78% |
Hottest month: | July | 29.2°C 84.6°F |
---|---|---|
Driest month: | February | 53mm 2.1ins |
Sunniest month: | July | 11.4hrs |
Coldest month: | January | -0.4°C 31.3°F |
Wettest month: | June | 105mm 4.1ins |
Warmest sea: | August | 23.5°C 74.3°F |