The bar chart below shows the average monthly peak daytime temperatures at Houston
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 4.5 | 7.4 | 13.3 | 19.5 | 23.8 | 28.1 | 31.2 | 30.3 | 25.8 | 20.4 | 12.9 | 6.6 |
°F | 40.1 | 45.3 | 55.9 | 67.1 | 74.9 | 82.6 | 88.2 | 86.6 | 78.4 | 68.8 | 55.3 | 43.9 |
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 | 53 | 63 | 98 | 105 | 122 | 99 | 94 | 91 | 97 | 84 | 102 | 85 |
inches | 2.1 | 2.5 | 3.9 | 4.1 | 4.8 | 3.9 | 3.7 | 3.6 | 3.8 | 3.3 | 4 | 3.3 |
Rainy days | 8 | 9 | 11 | 11 | 11 | 9 | 8 | 8 | 9 | 9 | 9 | 10 |
Average annual rainfall in Houston: 1038.633mm (408.9 inches)
The bar chart below shows the average daily sunshine hours in Houston
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 5.8 | 6.2 | 7.5 | 8.4 | 10 | 10.7 | 10.9 | 10 | 8.4 | 8.4 | 5.9 | 5.3 |
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 | -6.8 | -4.3 | 1 | 6.8 | 11.5 | 16 | 18.7 | 17.4 | 13.5 | 7.1 | 1.4 | -4.1 |
Max °C | 4.8 | 7.7 | 13.6 | 19.8 | 24.2 | 28.4 | 31.6 | 30.7 | 26.1 | 20.8 | 13.2 | 6.9 |
Min °F | 19.8 | 24.3 | 33.8 | 44.2 | 52.6 | 60.8 | 65.6 | 63.2 | 56.3 | 44.7 | 34.5 | 24.7 |
Max °F | 30.2 | 35.1 | 45.1 | 55.9 | 64 | 72 | 77.2 | 75.2 | 67.6 | 57 | 45.1 | 34.5 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 11.4 | 11 | 11.6 | 13.2 | 15.5 | 18.1 | 20.8 | 23.2 | 21.9 | 18.2 | 15 | 12.8 |
°F | 52.5 | 51.8 | 53 | 55.7 | 59.8 | 64.6 | 69.4 | 73.8 | 71.5 | 64.7 | 59 | 55.1 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 18 | 18 | 20 | 19 | 16 | 14 | 13 | 13 | 14 | 15 | 17 | 18 |
mph | 11 | 11 | 12 | 12 | 10 | 9 | 8 | 8 | 9 | 9 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
70% | 70% | 65% | 64% | 70% | 70% | 70% | 71% | 73% | 69% | 71% | 72% |
Hottest month: | July | 31.2°C 88.2°F |
---|---|---|
Driest month: | January | 53mm 2.1ins |
Sunniest month: | July | 10.9hrs |
Coldest month: | January | 4.5°C 40.1°F |
Wettest month: | May | 122mm 4.8ins |
Warmest sea: | August | 23.2°C 73.8°F |