Weather · May
San Luis Obispo weather in May
Average highs of 72°F, lows of 48°F and 0.50 in of rain, from 30 years of weather records.
May is San Luis Obispo’s 6th warmest month, with average highs of 72°F and lows of 48°F. That is 3° warmer than April, and 0° above the yearly average high.
- Average high
- 72°F
- Average low
- 48°F
- Precipitation
- 0.50 in
- Wet days
- 3
- Sunrise · sunset
- 5:58 AM · 7:59 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 Luis Obispo and today’s forecast.
Questions
How hot does it get in San Luis Obispo in May?
Average highs are 72°F and average lows 48°F, for a daily mean of 60°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in San Luis Obispo 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 Luis Obispo in May?
Around mid-May the sun rises about 5:58 AM and sets about 7:59 PM, for roughly 14.0 hours of daylight.
Is May a good time to visit San Luis Obispo?
The mildest months for visiting are June, August, September. May is mild.
NOAA U.S. Climate Normals 1991–2020, San Luis Obispo Ap station (2.8 mi from downtown). Sunrise and sunset are calculated for May 15 at the city’s coordinates.