Weather · March
Orange County weather in March
Average highs of 72°F, lows of 48°F and 2.1 in of rain, from 30 years of weather records.
March is Orange County’s 9th warmest month, with average highs of 72°F and lows of 48°F. That is 3° warmer than February, and 6° below the yearly average high.
- Average high
- 72°F
- Average low
- 48°F
- Precipitation
- 2.1 in
- Wet days
- 5
- Sunrise · sunset
- 7:01 AM · 6:58 PM
What to wear in March
- Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
What March weather is good for
What’s on in Orange County in March
Guides for this month: St. Patrick’s Day in Orange County.
See all upcoming events.
March compared with the months around it
Planning a trip? See the best time to visit Orange County and today’s forecast.
Questions
How hot does it get in Orange County in March?
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 Orange County in March?
March averages 2.1 in of precipitation over about 5 days with at least 0.01 in. It is the 4th wettest month of the year.
What time is sunset in Orange County in March?
Around mid-March the sun rises about 7:01 AM and sets about 6:58 PM, for roughly 11.9 hours of daylight.
Is March a good time to visit Orange County?
The mildest months for visiting are May, June, October. March is mild, with St. Patrick’s Day events.
NOAA U.S. Climate Normals 1991–2020, Tustin Irvine Rch station (0.4 mi from downtown). Sunrise and sunset are calculated for March 15 at the city’s coordinates.