The bar chart below shows the average monthly peak daytime temperatures at Rockwall
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 11.5 | 14.2 | 19.2 | 24 | 27.7 | 31.9 | 34.6 | 34.7 | 30.5 | 25.2 | 18.9 | 13.3 |
°F | 52.7 | 57.6 | 66.6 | 75.1 | 81.8 | 89.4 | 94.2 | 94.5 | 86.8 | 77.4 | 65.9 | 56 |
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 | 54 | 70 | 84 | 104 | 138 | 88 | 64 | 55 | 96 | 101 | 75 | 65 |
inches | 2.1 | 2.7 | 3.3 | 4.1 | 5.4 | 3.5 | 2.5 | 2.2 | 3.8 | 4 | 2.9 | 2.5 |
Rainy days | 7 | 7 | 8 | 8 | 9 | 7 | 5 | 5 | 7 | 6 | 7 | 7 |
Average annual rainfall in Rockwall: 929.6mm (366 inches)
The bar chart below shows the average daily sunshine hours in Rockwall
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 6.2 | 6.7 | 7.7 | 8.3 | 8.9 | 10.6 | 11.3 | 10.4 | 8.7 | 7.9 | 6.5 | 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 | 0 | 2.3 | 6.9 | 12 | 16.3 | 20.5 | 22.8 | 22.4 | 18.9 | 12.5 | 6.9 | 1.8 |
Max °C | 11.8 | 14.5 | 19.5 | 24.3 | 28 | 32.2 | 34.9 | 35 | 30.8 | 25.6 | 19.2 | 13.6 |
Min °F | 32 | 36.1 | 44.4 | 53.5 | 61.3 | 68.8 | 73 | 72.3 | 65.9 | 54.4 | 44.3 | 35.2 |
Max °F | 42.6 | 47.1 | 55.8 | 64.6 | 71.8 | 79.3 | 83.8 | 83.7 | 76.6 | 66.2 | 55.4 | 45.9 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 15.4 | 15.1 | 16 | 17.9 | 20.5 | 23.3 | 25.3 | 26.5 | 25.5 | 22.5 | 19.4 | 17 |
°F | 59.8 | 59.2 | 60.8 | 64.2 | 68.9 | 73.9 | 77.6 | 79.8 | 77.9 | 72.4 | 67 | 62.6 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 17 | 19 | 20 | 20 | 17 | 16 | 15 | 14 | 15 | 16 | 17 | 17 |
mph | 11 | 12 | 13 | 12 | 11 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
69% | 67% | 65% | 66% | 71% | 68% | 63% | 63% | 69% | 67% | 69% | 70% |
Hottest month: | July | 34.6°C 94.3°F |
---|---|---|
Driest month: | January | 54mm 2.1ins |
Sunniest month: | July | 11.3hrs |
Coldest month: | January | 11.5°C 52.7°F |
Wettest month: | May | 138mm 5.4ins |
Warmest sea: | August | 26.5°C 79.7°F |