October Weather in San Diego

Last updated: March 2, 2024

The weather in San Diego, United States, during October is characterized by an average temperature of 24°C (76°F). Highs can soar to 36°C (97°F), while lows may dip to 8°C (47°F). Typically, the humidity level in San Diego throughout October hovers around 76%.

8°C (47°F)

Minimum temperature

24°C (76°F)

Average temperature

36°C (97°F)

Maximum temperature

76%

Humidity

Precipitation and Sunshine hours

In October, San Diego averages 44 mm (1.7 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 11 hours 27 minutes of daylight, with the sun shining for approximately 8 hours 57 minutes each day. Additionally, there is a 61% probability of sunny days during this period.

44 mm (1.7 inches)

Precipitation

8 rainy days

Rainy days

8 hours 57 minutes

Sunshine hours

61%

Chance of sun

UV Index

In October, the UV Index in San Diego 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.

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 0 1 2 3 6 8 9 9 7 5 2 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

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