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United StatesThe weather in October in San Francisco
It's warm in October in San Francisco with an average temperature of 23°C. Temperatures this month range from a low of 20°C to a high of 25°C. At night, you can expect temperatures between 12°C and 15°C.
Looking for great weather? October is a good time to be in San Francisco. The temperatures are nice, and there’s little chance of rain this month.
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 Francisco, California. 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 33°C in 2020, San Francisco reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 15°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 21°C.
Rainfall amount
In October, there is an average of 20 mm of precipitation, spread over 4 days. The wind speed is around 4 Bft, mostly coming from the West.
Daily weather in October for San Francisco
Click on any day in October to get detailed info about the usual weather on that day in San Francisco. Check out the historical temperatures and precipitation over the past 10 years on this day.
October weather comparison
| San Francisco | New York | |
|---|---|---|
| Average temperature | 23°C | 21°C |
| Max. temperature | 25°C | 26°C |
| Min. temperature | 12°C | -5°C |
| Total precipitation | 20 mm | 119 mm |
| Rainy days | 4 days | 13 days |
Start of October
The month of October starts in San Francisco with warm temps, averaging around 24°C during the day and nights around 14°C.
Mid October
By mid-October, daytime temps drop to around 23°C, with nights around 14°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of October
By the end of October, the average daytime temperature in San Francisco is around 22°C, while nighttime temps are about 13°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of San Francisco for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in October in San Francisco, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in October in San Francisco
Temperature in October in San Francisco over the years
Precipitation charts
These charts show the average amount of precipitation in October in San Francisco, California. 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 Francisco
Total precipitation in October in San Francisco over the years
Daily UV index in October in San Francisco
This chart shows the average daily UV index in October in San Francisco, 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 Francisco
The weather in October in San Francisco is rated an average of 0 out of 5 stars by 2 visitors. Have you been to San Francisco? Share your weather experience to help other visitors.
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Average weather in San Francisco by month
Click on a month below to see detailed weather info for San Francisco. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.