Climate · Baldwin

Baldwin, IA climate

Baldwin has cold, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 12°, and about 30 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
83°
376th coolest of 1,026 Iowa towns
January low
12°
346th mildest of 1,026 Iowa towns
Rain + melted snow
37 in
339th wettest of 1,026 Iowa towns
Snow a winter
30 in
421st least snowy of 1,020 Iowa towns
A normal year

What a year in Baldwin feels like

Winter

32° / 16°
Typical high / low · 11 days with an inch or more of snow

Spring

59° / 38°
Typical high / low · Last frost around Apr 25

Summer

82° / 61°
Typical high / low · 10 days reach 90° in a normal year

Fall

62° / 41°
Typical high / low · First frost around Oct 14
Best months to be outsideMayJunJulAugSepOctHighs of 62–84° and lows of 40° or more
Month by month

Baldwin weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January28°12°1.3" 8.4"720 11° – 33°
February33°16°1.5" 8.0"717 10° – 37°
March46°27°2.3" 3.8"96 29° – 52°
April60°37°3.8" 0.9"110 40° – 56°
May71°50°4.4" 0.1"120 54° – 68°
June81°60°5.2" 0110 67° – 74°
July83°63°4.4" 090 67° – 80°
August82°61°4.1" 090 65° – 77°
September75°52°3.6" 080 58° – 69°
October63°40°2.9" 0.3"90 47° – 57°
November47°29°2.1" 1.7"72 30° – 49°
December34°19°1.8" 7.1"912 12° – 37°
Year59°39°37.3"30.3"10958

“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.

Rain & snow

Rain and snow in Baldwin

Baldwin gets 37 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 109 days a year. Snow covers the ground about 58 days of the year.

37 in
Rain + melted snow a year
Less rain than 59% of U.S. towns
30 in
Snow in a normal winter
More snow than 58% of U.S. towns
58 days
With 1"+ of snow on the ground
More than 70% of U.S. towns

Rain + melted snow by month

Inches of water
5.2"

Snowfall by month

Inches of snow
8.4"
Frost & the growing season

About 171 frost-free days a year

In half of years the last 32° night comes by April 25 and the first one by October 14. That leaves about 171 frost-free days for gardens, shorter than 59% of U.S. towns.

153
nights at or below 32° in a normal year
19
nights below 0° in a normal year
10
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°

90° days by month

Average days at 90° or more
Heating & cooling

Heating and cooling a home in Baldwin

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Baldwin, 90% of that work is heating and 10% is cooling, so the furnace matters far more than the air conditioner.

90%heating
6,943 heating degree daysMore heating than 72% of U.S. towns
737 cooling degree daysLess cooling than 58% of U.S. towns

Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.

Compared with other towns

How Baldwin compares

Summer heat83° July high
Cooler than 62% of U.S. towns376th coolest of 1,026 Iowa towns
Winter cold12° January low
Colder than 77% of U.S. towns346th mildest of 1,026 Iowa towns
Precipitation37" a year
Drier than 59% of U.S. towns339th wettest of 1,026 Iowa towns
Snow30" a winter
Snowier than 58% of U.S. towns421st least snowy of 1,020 Iowa towns
Growing season171 frost-free days
Shorter than 59% of U.S. towns257th longest of 1,026 Iowa towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Then and now

Warmer than it used to be

+0.9°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Baldwin averaged 0.9° warmer than the 1900s. The biggest change is in December (+2.2°). The shift is smaller than in 79% of U.S. towns.

❄️ Winter+1.7° now 24°, was 22°
🌷 Spring+0.9° now 49°, was 48°
☀️ Summer+0.1° now 71°, was 71°
🍂 Fall+0.8° now 51°, was 50°

Change by month1991–2020 average minus 1901–2000 average, at Baldwin’s spot on NOAA’s grid

Year to year

How much a month can swing

A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 10° to 37°. June is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Baldwin’s climate

What is the coldest month in Baldwin?

January, with a typical high of 28° and a low of 12°.

What is the hottest month in Baldwin?

July, with a typical high of 83° and a low of 63°. About 10 days a year reach 90°.

How much snow does Baldwin get?

About 30 inches in a normal winter, most of it in January.

When is the first frost in Baldwin?

In half of years the first 32° night comes by October 14, and the last spring frost by April 25.

What is the rainiest month in Baldwin?

June, with 5.2 inches of rain and melted snow. The year totals 37 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Baldwin itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Maquoketa, IA (9 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01