Guest, Sign inJoin

Post to Unionville

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
Weather in Unionville, MT · National Weather Service + NOAA

Unionville has a dry climate

Unionville has chilly winters and pleasant summers, with very little rain. A typical July afternoon reaches 81°, a January night drops to 16°. In November, a normal day reaches 40° and a normal night drops to 23°.

Winter 33°/17°Spring 53°/30°Summer 77°/49°Fall 54°/33°
Right now
—
Loading conditions…
Sunrise 9:23 am · sunset 7:00 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 →
A dry climateJust 16 inches of rain and melted snow a year, less than 93% of U.S. towns.A long heating seasonMore heating degree days than 95% 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
33° / 17°
Snow is rare
Spring
53° / 30°
Last frost around Jun 4
Summer
77° / 49°
4 days reach 90° in a normal year
Fall now
54° / 33°
First frost around Sep 14
Pastthe usual first frost (Sep 14). Last frost next spring: Jun 4
Best months to be outside
JunJulAugSep
Highs of 62–84° and lows of 40° or more
When is it wettest?June, with 2.7 inches.Is it warmer than it used to be?+1.4° vs. the 20th century.What is each month like?Highs, lows, rain and snow for all 12.

Weather talk

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

Town Square →
Weigh in
Is summer the best season in Unionville?

Your answer becomes a post in Town Square.

Start the conversation

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 Austin 1 W, MT (11 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.