Average annual temperature is 12.1 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -17.5 °C
Number of sunny days: 220 days
Number of rainy days: 126 days
Number of snow days: 19 days
Look at detailed online map of Houston
* Weather data for Houston United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.1 | 14.2 | 22.3 | 29.3 | 30.6 | 33.4 | 35.8 | 38.7 | 35.4 | 31.6 | 21.2 | 14.1 |
| Average daytime temperature (°C) | 2.0 | 6.2 | 9.4 | 19.0 | 25.6 | 29.3 | 29.3 | 30.7 | 28.5 | 18.6 | 12.5 | 6.1 |
| Average temperature (°C) | -2.3 | -0.9 | 2.4 | 11.6 | 19.0 | 23.4 | 23.8 | 24.7 | 21.9 | 12.9 | 6.3 | 1.5 |
| Average night temperature (°C) | -5.6 | -5.4 | -2.5 | 5.4 | 13.2 | 17.4 | 18.8 | 19.7 | 16.2 | 8.2 | 1.4 | -2.1 |
| Absolute minimum temperature (°C) | -17.2 | -17.5 | -10.0 | -5.1 | 2.8 | 10.3 | 13.0 | 12.8 | 9.8 | -6.7 | -6.0 | -8.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.7 | 7.9 | 8.7 | 10.6 | 11.4 | 12.9 | 11.8 | 11.4 | 10.6 | 8.0 | 7.2 | 5.0 |
| Precipitation (mm) | 46 | 42 | 32 | 18 | 34 | 64 | 146 | 40 | 35 | 58 | 19 | 51 |
| Sunny days | 20 | 21 | 20 | 23 | 15 | 15 | 10 | 18 | 20 | 16 | 22 | 20 |
| Rainy days | 7 | 3 | 8 | 6 | 16 | 15 | 21 | 13 | 10 | 14 | 6 | 7 |
| Snow days | 4 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4 |
The best time to visit Houston during the most sunny months:
The largest precipitation sum in Houston is at