Weather · May
San Mateo weather in May
Average highs of 68°F, lows of 52°F and 0.50 in of rain, from 30 years of weather records.
May is San Mateo’s 6th warmest month, with average highs of 68°F and lows of 52°F. That is 3° warmer than April, and 1° above the yearly average high.
- Average high
- 68°F
- Average low
- 52°F
- Precipitation
- 0.50 in
- Wet days
- 3
- Sunrise · sunset
- 6:00 AM · 8:11 PM
What to wear in May
- Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
What May weather is good for
May 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 May?
Average highs are 68°F and average lows 52°F, for a daily mean of 60°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in San Mateo in May?
May averages 0.50 in of precipitation over about 3 days with at least 0.01 in. It is the 8th wettest month of the year.
What time is sunset in San Mateo in May?
Around mid-May the sun rises about 6:00 AM and sets about 8:11 PM, for roughly 14.2 hours of daylight.
Is May a good time to visit San Mateo?
The mildest months for visiting are June, July, August. May is mild.
NOAA U.S. Climate Normals 1991–2020, San Francisco Intl Ap station (5.3 mi from downtown). Sunrise and sunset are calculated for May 15 at the city’s coordinates.