Costa Mesa Weather in March
March is one of the perfect months to visit Costa Mesa, with daytime temperatures of 21°C (70°F) and lows of 11°C (52°F) at night. Some rainfall is typical for this time of year.
Rainfall in Costa Mesa in March
Historically, March sees about 5 days of rain, with a monthly average of 22 mm (0.9 in). Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Costa Mesa in March
Costa Mesa in March is worth a visit. The temperature is perfect, with 21°C (70°F) during the day and 11°C (52°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Costa Mesa in March
Expect a lot of sunshine this month, with about 268 hours of sun. These sunny conditions add to the overall experience.If you're a fan of comfortable temperatures and drier conditions, March is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Costa Mesa's climate page.
Costa Mesa Temperature in March
Min Temperature
11°C (52°F)
Max Temperature
21°C (70°F)
Chance of Rain
16%
Precipitation
22 mm (0.9 in)
Rainy days
5 days
Sunshine
268 hours *
Percentage Sunshine
*
Best Places in the United States of America in March
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →
perfect weather
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What to Wear in Costa Mesa in March
Comfortable temperatures call for an easy wardrobe in March. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Light rain is possible, so consider bringing a small umbrella or rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Costa Mesa in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Costa Mesa's climate page.
See the full Costa Mesa climate overview or explore weather in the United States of America.
