Weather · August
San Mateo weather in August
Average highs of 73°F, lows of 56°F and 0.00 in of rain, from 30 years of weather records.
August is San Mateo’s 2nd warmest month, with average highs of 73°F and lows of 56°F. That is 1° warmer than July, and 6° above the yearly average high.
- Average high
- 73°F
- Average low
- 56°F
- Precipitation
- 0.00 in
- Wet days
- 0
- Sunrise · sunset
- 6:25 AM · 8:02 PM
What to wear in August
- Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
What August weather is good for
August compared with the months around it
Planning a trip? See the best time to visit San Mateo and today’s forecast.
Questions
How hot does it get in San Mateo in August?
Average highs are 73°F and average lows 56°F, for a daily mean of 65°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in San Mateo in August?
August averages 0.00 in of precipitation over about 0 days with at least 0.01 in. It is the 12th wettest month of the year.
What time is sunset in San Mateo in August?
Around mid-August the sun rises about 6:25 AM and sets about 8:02 PM, for roughly 13.6 hours of daylight.
Is August a good time to visit San Mateo?
Yes. August is one of the mildest months, with highs between 65°F and 85°F and little rain.
NOAA U.S. Climate Normals 1991–2020, San Francisco Intl Ap station (5.3 mi from downtown). Sunrise and sunset are calculated for August 15 at the city’s coordinates.