San Mateo Weather in August

Thinking of visiting San Mateo in August? Expect high temperatures reaching 24°C (75°F) during the day, dropping to 14°C (57°F) at night, with the driest conditions of the year.

Rainfall in San Mateo in August

Known for its least rainfall, this month is the best of the year for people who like to spend time outdoors. Rain is expected on roughly 0 days, totalling around 0 mm (0 in) for the month.

Temperature in San Mateo in August

August is a excellent month in San Mateo, with 24°C (75°F) during the day and 14°C (57°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights drop to around 14°C (57°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 Mateo in August

There are approximately 288 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in San Mateo in August

August sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.

Average water temperature in August

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 a fan of comfortable temperatures and drier conditions, August is a great time to visit.

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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 San Mateo's climate page.

San Mateo Temperature in August

Min Temperature 14°C (57°F)  

Max Temperature 24°C (75°F)  

Water Temperature 14°C (57°F) *  

Chance of Rain 0%  

Precipitation 0 mm (0 in)  

Rainy days 0 days  

Humidity 75% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 288 hours *  

Percentage Sunshine 68% *  

* Data from: San Francisco, the United States of America (10 KM, 6 Miles).

What to Wear in San Mateo in August

Pleasant temperatures in August 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. 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 Mateo in August

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

Swimming

10/10

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 San Mateo's climate page.

More climate data for San Mateo

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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