South San Francisco Weather in October

South San Francisco in October sees pleasant temperatures, with highs around 21°C (70°F) and overnight lows of 13°C (55°F). Overall excellent conditions make it one of the better months to visit.

Rainfall in South San Francisco in October

Historically, approximately 4 days this month are expected to have rain, averaging 24 mm (0.9 in). Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in South San Francisco in October

South San Francisco has excellent weather in October, with days reaching 21°C (70°F) and nights cooling to 13°C (55°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in South San Francisco in October

The city usually sees around 243 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Wind Speed in South San Francisco in October

In October, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in October

With water at 14°C (57°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

If you're inclined towards comfortable temperatures and drier conditions, October is a good time to visit South San Francisco.

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For a detailed overview over the year and the best time to visit the United States of America, check out our South San Francisco's climate page.

South San Francisco Temperature in October

Min Temperature 13°C (55°F)  

Max Temperature 21°C (70°F)  

Water Temperature 14°C (57°F) *  

Chance of Rain 14%  

Precipitation 24 mm (0.9 in)  

Rainy days 4 days  

Humidity 71% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 243 hours *  

Percentage Sunshine 71% *  

* Data from: San Francisco, the United States of America (4 KM, 2 Miles).

What to Wear in South San Francisco in October

Pleasant temperatures in October mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. Expect water temperatures of around 14°C (57°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in South San Francisco in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our South San Francisco's climate page.

More climate data for South San Francisco

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full South San Francisco climate overview or explore weather in the United States of America.