Climate · Minden

Minden, IA climate

Minden has cold winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 12°, and about 27 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
85°
249th hottest of 1,026 Iowa towns
January low
12°
346th mildest of 1,026 Iowa towns
Rain + melted snow
34 in
260th driest of 1,026 Iowa towns
Snow a winter
27 in
240th least snowy of 1,020 Iowa towns
A normal year

What a year in Minden feels like

Winter

34° / 16°
Typical high / low · 8 days with an inch or more of snow

Spring

61° / 38°
Typical high / low · Last frost around Apr 23

Summer

83° / 62°
Typical high / low · 20 days reach 90° in a normal year

Fall

63° / 40°
Typical high / low · First frost around Oct 14
Best months to be outsideMayJunAugSepOctHighs of 62–84° and lows of 40° or more
Month by month

Minden 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
January31°12°0.8" 5.5"316 14° – 35°
February36°17°1.0" 9.7"415 15° – 36°
March49°28°1.9" 3.1"53 31° – 54°
April62°38°3.5" 0.8"70 42° – 56°
May72°50°5.1" 0.2"100 56° – 68°
June82°60°5.2" 080 67° – 76°
July85°64°3.9" 060 69° – 80°
August83°62°4.5" 070 67° – 77°
September77°53°3.4" 060 59° – 70°
October64°41°2.6" 0.7"60 45° – 57°
November48°28°1.5" 0.8"31 28° – 48°
December35°18°1.2" 6.5"410 12° – 32°
Year60°39°34.4"27.3"7146

“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 Minden

Minden gets 34 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 71 days a year. Snow covers the ground about 46 days of the year.

34 in
Rain + melted snow a year
Less rain than 66% of U.S. towns
27 in
Snow in a normal winter
More snow than 53% of U.S. towns
46 days
With 1"+ of snow on the ground
More than 63% of U.S. towns

Rain + melted snow by month

Inches of water
5.2"

Snowfall by month

Inches of snow
9.7"
Frost & the growing season

About 174 frost-free days a year

In half of years the last 32° night comes by April 23 and the first one by October 14. That leaves about 174 frost-free days for gardens, shorter than 56% of U.S. towns.

148
nights at or below 32° in a normal year
15
nights below 0° in a normal year
20
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 Minden

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Minden, 88% of that work is heating and 12% is cooling, so the furnace matters far more than the air conditioner.

88%heating
6,555 heating degree daysMore heating than 66% of U.S. towns
914 cooling degree daysMore cooling than 56% 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 Minden compares

Summer heat85° July high
Hotter than 51% of U.S. towns249th hottest of 1,026 Iowa towns
Winter cold12° January low
Colder than 77% of U.S. towns346th mildest of 1,026 Iowa towns
Precipitation34" a year
Drier than 66% of U.S. towns260th driest of 1,026 Iowa towns
Snow27" a winter
Snowier than 53% of U.S. towns240th least snowy of 1,020 Iowa towns
Growing season174 frost-free days
Shorter than 56% of U.S. towns170th 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

+0.8°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Minden averaged 0.8° warmer than the 1900s. The biggest change is in March (+2.2°). The shift is smaller than in 84% of U.S. towns.

❄️ Winter+1.6° now 25°, was 23°
🌷 Spring+0.9° now 50°, was 49°
☀️ Summer+0.1° now 73°, was 73°
🍂 Fall+0.5° now 52°, was 51°

Change by month1991–2020 average minus 1901–2000 average, at Minden’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. March swings the most: between 1991 and 2020 its average temperature ranged from 31° to 54°. June is the most reliable, staying within 9°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Minden’s climate

What is the coldest month in Minden?

January, with a typical high of 31° and a low of 12°.

What is the hottest month in Minden?

July, with a typical high of 85° and a low of 64°. About 20 days a year reach 90°.

How much snow does Minden get?

About 27 inches in a normal winter, most of it in February.

When is the first frost in Minden?

In half of years the first 32° night comes by October 14, and the last spring frost by April 23.

What is the rainiest month in Minden?

June, with 5.2 inches of rain and melted snow. The year totals 34 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Minden itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Underwood, IA (9 mi, snow) and Oakland, IA (14 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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