Average annual temperature is 22.1 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: 1.4 °C
Number of sunny days: 154 days
Number of rainy days: 211 days
Look at detailed online map of City of Katy
* Weather data for City of Katy 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) | 25.7 | 27.7 | 29.0 | 30.6 | 32.4 | 38.8 | 38.2 | 41.9 | 39.5 | 35.2 | 30.1 | 26.4 |
| Average daytime temperature (°C) | 19.2 | 20.6 | 24.1 | 25.0 | 28.6 | 35.1 | 36.1 | 38.8 | 35.0 | 27.6 | 21.2 | 19.5 |
| Average temperature (°C) | 14.3 | 14.8 | 18.9 | 19.6 | 23.8 | 28.9 | 30.4 | 32.2 | 29.1 | 22.3 | 16.2 | 13.8 |
| Average night temperature (°C) | 10.6 | 10.6 | 15.0 | 15.6 | 20.0 | 24.1 | 25.6 | 26.9 | 24.4 | 18.4 | 12.5 | 9.6 |
| Absolute minimum temperature (°C) | 2.0 | 1.4 | 4.2 | 10.9 | 13.8 | 19.6 | 23.0 | 24.5 | 21.3 | 7.4 | 3.9 | 1.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.4 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.3 | 7.3 | 7.5 | 7.8 | 8.7 | 11.7 | 12.3 | 12.1 | 10.8 | 8.2 | 6.5 | 7.6 |
| Precipitation (mm) | 135 | 57 | 121 | 224 | 200 | 41 | 33 | 14 | 74 | 89 | 108 | 75 |
| Sunny days | 12 | 12 | 8 | 7 | 5 | 13 | 15 | 23 | 12 | 16 | 13 | 18 |
| Rainy days | 19 | 16 | 23 | 23 | 26 | 17 | 16 | 8 | 18 | 15 | 17 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of Katy during the most sunny months:
The largest precipitation sum in City of Katy is at