Last updated: March 2, 2024
The weather in San Bernardino, Mexico, during May is characterized by an average temperature of 27°C (81°F). Highs can soar to 32°C (90°F), while lows may dip to 23°C (74°F). Typically, the humidity level in San Bernardino throughout May hovers around 71%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, San Bernardino averages 103 mm (4.1 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 12 hours 51 minutes of daylight, with the sun shining for approximately 10 hours 32 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in San Bernardino reaches a maximum of 14, 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 | 3 | 6 | 9 | 12 | 14 | 13 | 11 | 8 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||