Last updated: March 2, 2024
The weather in Mountain View, United States, during April is characterized by an average temperature of 4°C (39°F). Highs can soar to 20°C (68°F), while lows may dip to -11°C (12°F). Typically, the humidity level in Mountain View throughout April hovers around 74%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Mountain View averages 50 mm (2.0 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 13 hours 21 minutes of daylight, with the sun shining for approximately 9 hours 57 minutes each day. Additionally, there is a 59% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In April, the UV Index in Mountain View reaches a maximum of 10, 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 | 5 | 7 | 9 | 10 | 10 | 8 | 6 | 3 | 2 | 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 | ||||||