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Weather in Angostura, SD · National Weather Service + NOAA

Angostura has milder winters than most of South Dakota

Angostura has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 89°, a January night drops to 14°, and about 32 inches of snow falls in a normal winter. In November, a normal day reaches 49° and a normal night drops to 23°.

Winter 40°/14°Spring 61°/33°Summer 86°/56°Fall 64°/34°
Right now
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Sunrise 8:33 am · sunset 6:41 pm

Getting the latest forecast from the National Weather Service…

What stands out about Angostura’s weather

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

Climate →
Milder winters than most of South DakotaJanuary nights average 14°, milder than 1,349 of 1,384 South Dakota towns.Warmer summers than most of South DakotaJuly afternoons average 89°, warmer than 1,371 of 1,384 South Dakota towns.A short growing season133 frost-free days, from May 16 to Sep 27.A dry climateJust 18 inches of rain and melted snow a year, less than 91% of U.S. towns.
A normal year

Where today sits in Angostura’s year

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

Full climate →
Winter
40° / 14°
13 days with an inch or more of snow
Spring
61° / 33°
Last frost around May 16
Summer
86° / 56°
41 days reach 90° in a normal year
Fall now
64° / 34°
First frost around Sep 27
Pastthe usual first frost (Sep 27). Last frost next spring: May 16
Best months to be outside
MayJunSep
Highs of 62–84° and lows of 40° or more
How much snow does Angostura get?About 32 inches a winter.When is it wettest?May, with 3.2 inches.Is it warmer than it used to be?+1.4° vs. the 20th century.

Weather talk

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

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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 Angostura itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Hot Springs, SD (9 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.