Weather · May
San Ramon weather in May
Average highs of 75°F, lows of 49°F and 0.60 in of rain, from 30 years of weather records.
May is San Ramon’s 6th warmest month, with average highs of 75°F and lows of 49°F. That is 6° warmer than April, and 3° above the yearly average high.
- Average high
- 75°F
- Average low
- 49°F
- Precipitation
- 0.60 in
- Wet days
- 3
- Sunrise · sunset
- 5:58 AM · 8:10 PM
What to wear in May
- Warm days: shorts and T-shirts, with a light layer for cooler evenings.
What May weather is good for
May compared with the months around it
Planning a trip? See the best time to visit San Ramon and today’s forecast.
Questions
How hot does it get in San Ramon in May?
Average highs are 75°F and average lows 49°F, for a daily mean of 62°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in San Ramon in May?
May averages 0.60 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 Ramon in May?
Around mid-May the sun rises about 5:58 AM and sets about 8:10 PM, for roughly 14.2 hours of daylight.
Is May a good time to visit San Ramon?
Yes. May is one of the mildest months, with highs between 65°F and 85°F and little rain.
NOAA U.S. Climate Normals 1991–2020, Livermore Muni Ap station (7.9 mi from downtown). Sunrise and sunset are calculated for May 15 at the city’s coordinates.