El SalvadorAverage weather for San Francisco in October
It's hot in October in San Francisco with an average temperature of 30°C. Temperatures this month range from a low of 30°C to a high of 31°C. At night, you can expect temperatures between 20°C and 21°C.
Start of October
The month of October starts in San Francisco with hot temps, averaging around 31°C during the day and nights around 21°C. There are plenty of days with a good chance of precipitation.
Mid October
By mid-October, daytime temps stay steady at around 31°C, with nights around 21°C. There’s a high chance of precipitation during this time.
End of October
By the end of October, the average daytime temperature in San Francisco is around 31°C, while nighttime temps are about 21°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In October, there is an average of 269 mm of precipitation, spread over 17 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
San Francisco in October |
New York | ||
|---|---|---|---|
 Average temperature |
30°C | 21°C | |
 Max. temperature |
31°C | 26°C | |
| Min. temperature |
30°C | -5°C | |
 Total precipitation |
269 mm | 119 mm | |
| Rainy days |
17 days | 13 days | |
September
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.
Is October a good time to visit San Francisco?
Looking for sun? October isn’t a good month to be in San Francisco. The temperature is nice, but there’s too much chance of rain.
The hurricane season in San Francisco runs from June to November.
Temperature records
With 33°C in 2016, San Francisco reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 21°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 24°C.
Check out the climate of San Francisco for all months and discover the best travel time
Daily Temperature in October in San Francisco
This chart shows the average daily high and low temperatures in October for San Francisco, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in October in San Francisco
The chart below shows the average daily precipitation in October for San Francisco, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for October, you can expect about 17 days of precipitation in San Francisco.
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.
Temperature in October in San Francisco over the years
This chart shows the average temperature in October in San Francisco, measured in degrees Celsius, over the past few years.
Total precipitation in October in San Francisco over the years
This chart shows the average precipitation in October in San Francisco, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
Weather experiences in October in San Francisco
Have you been to San Francisco in October?
Share your weather experience in October in San Francisco.
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.
Or check out the climate of San Francisco for all months at once
