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Weather in South River, NM · National Weather Service + NOAA

South River has the mildest winters around

South River has chilly winters and warm summers, with very little rain. A typical July afternoon reaches 92°, a January night drops to 18°, and about 11 inches of snow falls in a normal winter. In November, a normal day reaches 54° and a normal night drops to 26°.

Winter 45°/20°Spring 67°/36°Summer 89°/57°Fall 68°/38°
Right now
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Sunrise 6:37 am · sunset 5:14 pm

Getting the latest forecast from the National Weather Service…

What stands out about South River’s weather

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

Climate →
The mildest winters aroundMilder January nights than all 5 towns around it.A dry climateJust 9 inches of rain and melted snow a year, less than 99% of U.S. towns.Plenty of 90° daysAbout 61 days a year reach 90°.
A normal year

Where today sits in South River’s year

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

Full climate →
Winter
45° / 20°
5 days with an inch or more of snow
Spring
67° / 36°
Last frost around May 12
Summer
89° / 57°
61 days reach 90° in a normal year
Fall now
68° / 38°
First frost around Oct 6
Pastthe usual first frost (Oct 6). Last frost next spring: May 12
Best months to be outside
MaySep
Highs of 62–84° and lows of 40° or more
How much snow does South River get?About 11 inches a winter.When is it wettest?September, with 1.1 inches.Is it warmer than it used to be?+1.7° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in South River.

Town Square →
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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 South River itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Aztec Ruins Nm, NM (5 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.