San Bruno Weather in July
San Bruno in July sees pleasant temperatures, with highs around 22°C (72°F) and overnight lows of 13°C (55°F). It's the driest month of the year, with very little rainfall to worry about.
Rainfall in San Bruno in July
Known for its least rainfall, this month is the best of the year for people who like to spend time outdoors. Typically, you can expect about a single day of rain this month, with 0.6 mm (0.02 in) on average. On the rare occasion it rains this month, it usually amounts to very little.
Temperature in San Bruno in July
July is a excellent month in San Bruno, with 22°C (72°F) during the day and 13°C (55°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in San Bruno in July
The month enjoys around 313 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in San Bruno in July
Wind speeds average 7 m/s (14 knots) during July. At this speed, you experience strong wind that can make entire trees sway and create resistance when walking. Since this is an average, expect variation from moderate windy periods to particularly gusty days when umbrellas become difficult to control.
Average water temperature in July
The water is 14°C (57°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.If you're inclined towards comfortable temperatures and drier conditions, July is a good time to visit 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 July
Min Temperature
13°C (55°F)
Max Temperature
22°C (72°F)
Water Temperature
14°C (57°F) *
Chance of Rain
3%
Precipitation
0.6 mm (0.02 in)
Rainy days
a single day
Humidity
75% *
Windspeed
7 m/s (14 knots) *
Sunshine
313 hours *
Percentage Sunshine
70% *
Best Places in the United States of America in July
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 July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in San Bruno in July
For San Bruno in July, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. With water temperatures around 14°C (57°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in San Bruno in July
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.
