San Ysidro, CA

Unincorporated community in San Diego County, California

San Ysidro is a small unincorporated community in San Diego County, California. It is 4.3 miles W of Imperial Beach, the nearest town. Its ZIP code is 92173.

San Ysidro at a glance

State
California
County
San Diego County
ZIP code
92173
Nearest town
Imperial Beach (4.3 mi)
Time zone
America/Los Angeles
Coordinates
32.5519, -117.0422

Weather in San Ysidro now

Loading the National Weather Service forecast…

San Ysidro weather by the hour

San Ysidro weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of San Ysidro.

This week in San Ysidro

Sunrise, sunset and moon in San Ysidro

What is the weather usually like in San Ysidro?

BSk
Cold semi-arid climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

39°51°63°74°86°67°44°Jan66°45°Feb67°47°Mar70°50°Apr71°54°May74°58°Jun78°62°Jul81°63°Aug80°61°Sep77°55°Oct72°49°Nov67°44°Dec

Average precipitation (inches)

1.8"Jan2.4"Feb1.5"Mar0.8"Apr0.3"May0.1"Jun0.0"Jul0.0"Aug0.2"Sep0.4"Oct0.8"Nov1.8"Dec

Best time to visit San Ysidro: June–July and September–October, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SAN DIEGO BROWN FLD, CA US (USW00003178), adjusted for the elevation of San Ysidro.

San Ysidro weather month by month

January
67° 44°F
1.8 in of rain · 3 wet days
February
66° 45°F
2.4 in of rain · 4 wet days
March
67° 47°F
1.5 in of rain · 3 wet days
April
70° 50°F
0.8 in of rain · 2 wet days
May
71° 54°F
0.3 in of rain · 1 wet days
June
74° 58°F
0.1 in of rain · under 1 wet day
July
78° 62°F
0.0 in of rain · under 1 wet day
August
81° 63°F
0.0 in of rain · under 1 wet day
September
80° 61°F
0.2 in of rain · under 1 wet day
October
77° 55°F
0.4 in of rain · 1 wet days
November
72° 49°F
0.8 in of rain · 2 wet days
December
67° 44°F
1.8 in of rain · 3 wet days

Sunrise and sunset in San Ysidro through the year

MonthSunriseSunsetDaylight
January6:48 AM5:06 PM10 h 18 min
February6:29 AM5:35 PM11 h 5 min
March6:56 AM6:57 PM12 h 0 min
April6:16 AM7:19 PM13 h 2 min
May5:48 AM7:41 PM13 h 52 min
June5:38 AM7:58 PM14 h 19 min
July5:50 AM7:58 PM14 h 7 min
August6:10 AM7:34 PM13 h 23 min
September6:30 AM6:55 PM12 h 24 min
October6:51 AM6:16 PM11 h 25 min
November6:16 AM4:48 PM10 h 31 min
December6:41 AM4:45 PM10 h 4 min

Times for the 15th of each month, local time (America/Los Angeles).

What is the weather like in San Ysidro?

San Ysidro has a cold semi-arid climate. The warmest month is August, with an average high of 81°F (27°C), and the coldest is December, with average lows of 44°F (7°C).

It gets about 10.2 inches (260 mm) of precipitation a year. The wettest month is February and the driest is August.

The best time to visit San Ysidro is June–July and September–October. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

Webcams near San Ysidro

The closest live webcam is San Diego: San Ysidro › South: C214) SB 5 : Via De, 0.2 miles W of San Ysidro.

San Diego: San Ysidro › South: C214) SB 5 : Via DeSan Diego · 0.2 mi WOn Windy
I-5 · Via De San YsidroI-5 South · San Ysidro · 0.2 mi W
SR-905 · I-805SR-905 West · San Diego · 1.2 mi N
San Diego: San Ysidro › South: C105)I-5 : Dairy Mart RoadSan Diego · 1.2 mi WOn Windy
I-5 · Dairy Mart RoadI-5 South · San Ysidro · 1.2 mi W
San Diego › West: C243) I-905 : Just East Of I-805San Diego · 1.3 mi NEOn Windy
SR-905 · Just East Of I-805SR-905 West · San Diego · 1.3 mi NE
San Diego: C113) I-805 : Just North Of SR-905San Diego · 1.4 mi NOn Windy
I-805 · Just North Of SR-905I-805 Median · San Diego · 1.4 mi N

Webcams: Windy.com · Traffic cameras: Caltrans. Distances in a straight line from San Ysidro.

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Map of San Ysidro, CA

Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.

San Ysidro Street View

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Towns near San Ysidro

Other communities near San Ysidro

Questions about San Ysidro

Where is San Ysidro, CA?

San Ysidro is an unincorporated community in San Diego County, California, 4.3 miles W of Imperial Beach.

What county is San Ysidro in?

San Ysidro is in San Diego County, California.

What is the ZIP code of San Ysidro, CA?

The ZIP code for San Ysidro is 92173.

What is the nearest town to San Ysidro?

Imperial Beach, 4.3 miles away.

Are there webcams near San Ysidro?

Yes. The closest is San Diego: San Ysidro › South: C214) SB 5 : Via De, 0.2 miles away.

What is the hottest month in San Ysidro?

August, with an average high of 81°F (27°C).

What is the coldest month in San Ysidro?

December, with an average low of 44°F (7°C).

How much does it rain in San Ysidro?

About 10.2 inches (260 mm) a year; the wettest month is February.

Does it snow in San Ysidro?

Snow is very rare or not recorded at the nearest weather station.

When is the best time to visit San Ysidro?

June–July and September–October, when temperatures are most pleasant and rainy days are fewer.

What climate does San Ysidro have?

Cold semi-arid (Köppen BSk).

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