October Weather in San Bernardino

Last updated: March 2, 2024

The weather in San Bernardino, United States, during October is characterized by an average temperature of 19°C (66°F). Highs can soar to 34°C (93°F), while lows may dip to 7°C (44°F). Typically, the humidity level in San Bernardino throughout October hovers around 58%.

7°C (44°F)

Minimum temperature

19°C (66°F)

Average temperature

34°C (93°F)

Maximum temperature

58%

Humidity

Precipitation and Sunshine hours

In October, San Bernardino averages 11 mm (0.4 inches) of rainfall, typically over the course of 2 rainy days. The month enjoys an average of 11 hours 16 minutes of daylight, with the sun shining for approximately 9 hours 37 minutes each day. Additionally, there is a 70% probability of sunny days during this period.

11 mm (0.4 inches)

Precipitation

2 rainy days

Rainy days

9 hours 37 minutes

Sunshine hours

70%

Chance of sun

UV Index

In October, the UV Index in San Bernardino reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 4 6 8 7 6 4 2 1 1 0
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

Compare San Bernardino's Climate with Cities Worldwide