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Weather in Denmark, IA · National Weather Service + NOAA

Denmark has milder winters than most of Iowa

Denmark has chilly winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 16°, and about 18 inches of snow falls in a normal winter. In November, a normal day reaches 50° and a normal night drops to 32°.

Winter 36°/19°Spring 62°/41°Summer 84°/64°Fall 64°/44°
Right now
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Sunrise 7:41 am · sunset 5:56 pm

Getting the latest forecast from the National Weather Service…

What stands out about Denmark’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 IowaJanuary nights average 16°, milder than 1,018 of 1,026 Iowa towns.Less snow than most of IowaAbout 18 inches a winter, less than 1,004 of 1,020 Iowa towns.A long growing season194 frost-free days, from Apr 12 to Oct 25.Wetter than most of Iowa39 inches of rain and melted snow a year, more than 1,017 of 1,026 Iowa towns.
A normal year

Where today sits in Denmark’s year

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

Full climate →
Winter
36° / 19°
8 days with an inch or more of snow
Spring
62° / 41°
Last frost around Apr 12
Summer
84° / 64°
19 days reach 90° in a normal year
Fall now
64° / 44°
First frost around Oct 25
Pastthe usual first frost (Oct 25). Last frost next spring: Apr 12
Best months to be outside
AprMayJunAugSepOct
Highs of 62–84° and lows of 40° or more
How much snow does Denmark get?About 18 inches a winter.When is it wettest?May, with 5.2 inches.Is it warmer than it used to be?+0.6° vs. the 20th century.

Weather talk

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

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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 Denmark itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Ft Madison, IA (8 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.