Last updated: March 2, 2024
The weather in Katy, United States, during April is characterized by an average temperature of 21°C (70°F). Highs can soar to 32°C (90°F), while lows may dip to 7°C (45°F). Typically, the humidity level in Katy throughout April hovers around 79%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Katy averages 80 mm (3.1 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 54 minutes of daylight, with the sun shining for approximately 8 hours 55 minutes each day. Additionally, there is a 40% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Katy reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 2 | 5 | 7 | 10 | 11 | 10 | 8 | 6 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||