Hottest (avg)
#4 / 12
San Francisco in October
October weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 11h
What to expect
As autumn continues, October brings, where the air is cooling down. Daytime highs average 21°C / 69°F, dropping to 12°C / 54°F at night.
It is one of the drier times of year, though occasional showers are still possible.
October in context
How it compares to the rest of the year in San Francisco.
Wettest (avg)
#7 / 12
Daylight Hours
#8 / 12
Windiest (avg)
#11 / 12
Highest UV
#8 / 12
Most Humid
#11 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 11.2 hours
- UV index (max)
- 6
- Typical sun hours
- 06:19 – 17:30
Rain & Snow
- Total
-
- Rainy days
- 4
- Cloud cover
- 39%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 74%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is October a good time to visit San Francisco?
Typical October days in San Francisco reach highs of 21°C (70°F) with nights around 12°C (54°F). It usually feels mild by day and cool after dark. Overall, October sits in the middle of the San Francisco climate range.
What are temperatures like in October?
Daytime temperatures in October typically peak near 21°C (70°F), while nights drop to around 12°C (54°F). Expect mild afternoons and cool evenings.
How much does it rain in October?
Rainfall in October averages 28 mm (1.1 in) across roughly 4 days. Overall it is a mostly dry time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in October?
You can expect about 11 hours of daylight in October. Sunrise is typically around 06:19 and sunset near 17:30. Daylight is fairly typical, with enough time for sightseeing.
Does the weather change during October?
October usually begins milder and cools down as the month goes on, so late-October can feel more like the next month.
How strong is the sun in October?
UV levels are moderate (around 6); sunscreen and sunglasses are still a good idea.
Is it windy in October?
In October, average wind speeds are around 12 km/h (7 mph), with gusts on the windiest days reaching about 50 km/h (31 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.