San Ysidro Weather in May
San Ysidro in May sees high temperatures, with highs around 22°C (72°F) and overnight lows of 14°C (57°F). With just 8.2 mm (0.3 in) of rainfall on average, rain is rarely an issue.
Rainfall in San Ysidro in May
On average, there are about 2 days with rain during this month, averaging 8.2 mm (0.3 in). 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 May
May is a good time to be in San Ysidro. Days are perfect, reaching 22°C (72°F), with nights around 14°C (57°F). This kind of day-to-night contrast is typical for this time of year. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in San Ysidro in May
Enjoy a sunny month with about 251 hours of sunshine, the clear skies make San Ysidro even more beautiful.If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit San Ysidro.
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 May
Min Temperature
14°C (57°F)
Max Temperature
22°C (72°F)
Chance of Rain
7%
Precipitation
8.2 mm (0.3 in)
Rainy days
2 days
Humidity
77% *
Sunshine
251 hours *
Percentage Sunshine
58% *
Best Places in the United States of America in May
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 May →
perfect weather
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tolerable
unpleasant
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What to Wear in San Ysidro in May
For San Ysidro in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in San Ysidro in May
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.
