Last updated: March 2, 2024
The weather in Lancaster, United States, during April is characterized by an average temperature of 10°C (51°F). Highs can soar to 27°C (81°F), while lows may dip to -4°C (24°F). Typically, the humidity level in Lancaster throughout April hovers around 77%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Lancaster averages 84 mm (3.3 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 13 hours 18 minutes of daylight, with the sun shining for approximately 8 hours 19 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Lancaster reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 | 3 | 4 | 7 | 8 | 9 | 8 | 7 | 5 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||