Weather · April
San Mateo weather in April
Average highs of 66°F, lows of 49°F and 1.4 in of rain, from 30 years of weather records.
April is San Mateo’s 7th warmest month, with average highs of 66°F and lows of 49°F. That is 2° warmer than March, and 1° below the yearly average high.
- Average high
- 66°F
- Average low
- 49°F
- Precipitation
- 1.4 in
- Wet days
- 6
- Sunrise · sunset
- 6:34 AM · 7:43 PM
What to wear in April
- Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
What April weather is good for
April 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 April?
Average highs are 66°F and average lows 49°F, for a daily mean of 57°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in San Mateo in April?
April averages 1.4 in of precipitation over about 6 days with at least 0.01 in. It is the 6th wettest month of the year.
What time is sunset in San Mateo in April?
Around mid-April the sun rises about 6:34 AM and sets about 7:43 PM, for roughly 13.2 hours of daylight.
Is April a good time to visit San Mateo?
The mildest months for visiting are June, July, August. April 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 April 15 at the city’s coordinates.