San Bruno Weather in October
October in San Bruno averages 21°C (70°F) during the day and 12°C (54°F) at night. The excellent conditions and low rainfall make it a solid month to visit.
Rainfall in San Bruno in October
Looking at the last 30 years, the data shows about 4 days with rain, averaging 23 mm (0.9 in) for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in San Bruno in October
October in San Bruno is generally excellent, with days reaching 21°C (70°F) and nights settling around 12°C (54°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in San Bruno in October
The month enjoys around 243 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in San Bruno in October
October sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.
Average water temperature in October
The water temperature is 14°C (57°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September and October typically offer the best weather for San Bruno.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Bruno's climate page.
San Bruno Temperature in October
Min Temperature
12°C (54°F)
Max Temperature
21°C (70°F)
Water Temperature
14°C (57°F) *
Chance of Rain
15%
Precipitation
23 mm (0.9 in)
Rainy days
4 days
Humidity
71% *
Windspeed
4 m/s (8 knots) *
Sunshine
243 hours *
Percentage Sunshine
71% *
Best Places in the United States of America in October
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in October →
perfect weather
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unpleasant
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What to Wear in San Bruno 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. The water temperature sits at about 14°C (57°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in San Bruno in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Bruno's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full San Bruno climate overview or explore weather in the United States of America.
