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Weather in Unionville, MO · National Weather Service + NOAA

Unionville is snow country

Unionville has chilly winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 15°, and about 29 inches of snow falls in a normal winter. A typical November afternoon reaches 50°, and nights fall to 31°.

Winter 36°/19°Spring 62°/41°Summer 83°/63°Fall 63°/42°
Right now
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Sunrise 7:43 am · sunset 6:07 pm

Getting the latest forecast from the National Weather Service…

What stands out about Unionville’s weather

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

Climate →
Snow countryAbout 29 inches a winter, more than 1,328 of 1,335 Missouri towns.Cool summersJuly afternoons average 85°, cooler than 1,350 of 1,353 Missouri towns.Among Missouri’s coldest wintersJanuary nights average 15°, colder than 1,307 of 1,353 Missouri towns.Barely warmer than a century agoThe last 30 years averaged 0.2° warmer than the 1900s, a smaller shift than 100% of U.S. towns.
A normal year

Where today sits in Unionville’s year

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

Full climate →
Winter
36° / 19°
9 days with an inch or more of snow
Spring
62° / 41°
Last frost around Apr 17
Summer
83° / 63°
20 days reach 90° in a normal year
Fall now
63° / 42°
First frost around Oct 22
Pastthe usual first frost (Oct 22). Last frost next spring: Apr 17
Best months to be outside
AprMayJunAugSepOct
Highs of 62–84° and lows of 40° or more
How much snow does Unionville get?About 29 inches a winter.When is it wettest?May, with 5.7 inches.Is it warmer than it used to be?+0.2° vs. the 20th century.

Weather talk

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

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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 Unionville itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Unionville, MO (1 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.