Search Menu

The weather in October in San Diego

It's hot in October in San Diego with an average temperature of 31°C. Temperatures this month range from a low of 27°C to a high of 34°C. At night, you can expect temperatures between 15°C and 23°C.

October is a good month to be in San Diego for sunny weather. You’ll have high temperatures and not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in October for San Diego, Texas. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 38°C in 2020, San Diego reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 13°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 3°C to a highest value of 27°C.

Rainfall amount

In October, there is an average of 95 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in October for San Diego

Click on any day in October to get detailed info about the usual weather on that day in San Diego. Check out the historical temperatures and precipitation over the past 10 years on this day.

October weather comparison

  San Diego New York
Average temperature 31°C 21°C
Max. temperature 34°C 26°C
Min. temperature 15°C -5°C
Total precipitation 95 mm 119 mm
Rainy days 11 days 13 days

Start of October

The month of October starts in San Diego with hot temps, averaging around 33°C during the day and nights around 21°C.

Mid October

By mid-October, daytime temps drop to around 31°C, with nights around 19°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of October

By the end of October, the average daytime temperature in San Diego is around 30°C, while nighttime temps are about 17°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to San Diego

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

The hurricane season in San Diego runs from June to November.

Check out the climate of San Diego for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in October in San Diego, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in October in San Diego

Temperature in October in San Diego over the years

Precipitation charts

These charts show the average amount of precipitation in October in San Diego, Texas. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in October in San Diego

Total precipitation in October in San Diego over the years

Daily UV index in October in San Diego

This chart shows the average daily UV index in October in San Diego, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in October in San Diego

Have you been to San Diego in October?

Share your weather experience in October in San Diego.

Your email will not be shown in the review and will not be shared with others.

Average weather in San Diego by month

Click on a month below to see detailed weather info for San Diego. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.