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Weather in San Ysidro, NM · National Weather Service + NOAA

San Ysidro has a dry climate

San Ysidro has chilly winters and hot summers, with very little rain. A typical July afternoon reaches 92°, a January night drops to 19°, and about 6 inches of snow falls in a normal winter. Normal November highs come to 58°, and lows to 27°.

Winter 50°/21°Spring 71°/36°Summer 91°/57°Fall 71°/38°
Right now
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Sunrise 8:30 am · sunset 7:11 pm

Getting the latest forecast from the National Weather Service…

What stands out about San Ysidro’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
A dry climateJust 10 inches of rain and melted snow a year, less than 98% of U.S. towns.Plenty of 90° daysAbout 71 days a year reach 90°.
A normal year

Where today sits in San Ysidro’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
50° / 21°
2 days with an inch or more of snow
Spring
71° / 36°
Last frost around Apr 17
Summer
91° / 57°
71 days reach 90° in a normal year
Fall now
71° / 38°
First frost around Oct 24
Pastthe usual first frost (Oct 24). Last frost next spring: Apr 17
Best months to be outside
MaySep
Highs of 62–84° and lows of 40° or more
How much snow does San Ysidro get?About 6 inches a winter.When is it wettest?August, with 1.7 inches.Is it warmer than it used to be?+1.3° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in San Ysidro.

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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for San Ysidro itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Jemez Dam, NM (18 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.