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 | 10.1 | 12.8 | 17.8 | 22.5 | 26.2 | 29.7 | 30.9 | 30.4 | 27.4 | 22.3 | 17.2 | 12.1 |
°F | 50.3 | 55.1 | 64 | 72.5 | 79.2 | 85.4 | 87.7 | 86.8 | 81.4 | 72.2 | 63 | 53.8 |
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 | 123 | 119 | 142 | 107 | 103 | 96 | 126 | 88 | 88 | 78 | 90 | 112 |
inches | 4.8 | 4.7 | 5.6 | 4.2 | 4.1 | 3.8 | 5 | 3.5 | 3.5 | 3.1 | 3.6 | 4.4 |
Rainy days | 12 | 10 | 11 | 8 | 9 | 10 | 12 | 9 | 8 | 6 | 9 | 10 |
Average annual rainfall in Decatur: 1220.3mm (480.4 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 | 5.5 | 6.3 | 7.4 | 9 | 9.7 | 10 | 9.3 | 8.9 | 8.1 | 8 | 6.3 | 5.4 |
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 | -0.4 | 1.1 | 5.5 | 9.6 | 14.3 | 18.5 | 20.4 | 20.1 | 16.9 | 10.4 | 5.5 | 1.5 |
Max °C | 10.4 | 13.1 | 18.1 | 22.8 | 26.5 | 30 | 31.2 | 30.7 | 27.7 | 22.6 | 17.5 | 12.4 |
Min °F | 31.3 | 34 | 41.9 | 49.3 | 57.7 | 65.2 | 68.7 | 68.2 | 62.4 | 50.7 | 41.9 | 34.6 |
Max °F | 41 | 44.8 | 53.2 | 61.2 | 68.7 | 75.6 | 78.4 | 77.7 | 72.1 | 61.7 | 52.7 | 44.4 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 14.8 | 14 | 14.4 | 16.4 | 20 | 24.2 | 26.9 | 27.5 | 26.2 | 22.7 | 19.2 | 16.6 |
°F | 58.6 | 57.2 | 58 | 61.5 | 68.1 | 75.5 | 80.5 | 81.5 | 79.1 | 72.9 | 66.5 | 61.9 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 16 | 16 | 16 | 15 | 13 | 12 | 12 | 11 | 12 | 13 | 13 | 15 |
mph | 10 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 9 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
69% | 64% | 63% | 62% | 68% | 71% | 74% | 76% | 75% | 70% | 69% | 69% |
Hottest month: | July | 30.9°C 87.6°F |
---|---|---|
Driest month: | October | 78mm 3.1ins |
Sunniest month: | October | 8hrs |
Coldest month: | January | 10.1°C 50.2°F |
Wettest month: | March | 142mm 5.6ins |
Warmest sea: | August | 27.5°C 81.5°F |