San Ysidro Weather in March
March in San Ysidro averages 20°C (68°F) during the day and 10°C (50°F) at night. The perfect conditions and low rainfall make it a solid month to visit.
Rainfall in San Ysidro in March
Based on our climate data of the past 30 years, about 5 days of rain are anticipated, with 25 mm (1 in) on average. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.
Temperature in San Ysidro in March
March is a good time to be in San Ysidro. Days are perfect, reaching 20°C (68°F), with nights around 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in San Ysidro in March
The city usually sees around 251 hours of sunlight, indicating many sunny days — a great month for sightseeing.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 San Ysidro's climate page.
San Ysidro Temperature in March
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
15%
Precipitation
25 mm (1 in)
Rainy days
5 days
Humidity
73% *
Sunshine
251 hours *
Percentage Sunshine
67% *
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 →
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What to Wear in San Ysidro 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 San Ysidro 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 San Ysidro's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Ysidro climate overview or explore weather in the United States of America.
