Climate · Wacker

Wacker, SD climate

Wacker has cold, snowy winters and pleasant summers, with very little rain. A typical July afternoon reaches 81°, a January night drops to 4°, and about 48 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
81°
75th coolest of 1,384 South Dakota towns
January low
4°
304th coldest of 1,384 South Dakota towns
Rain + melted snow
22 in
389th driest of 1,384 South Dakota towns
Snow a winter
48 in
173rd snowiest of 1,367 South Dakota towns
A normal year

What a year in Wacker feels like

Winter

23° / 7°
Typical high / low · 17 days with an inch or more of snow

Spring

52° / 30°
Typical high / low · Last frost around May 10

Summer

79° / 56°
Typical high / low · 9 days reach 90° in a normal year

Fall

54° / 34°
Typical high / low · First frost around Sep 30
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

Wacker weather by month

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

MonthHighLowRain + meltSnowWet days30-yr range
January20°4°0.5" 8.5"5 -1° – 26°
February25°7°0.6" 8.2"4 -1° – 27°
March38°19°0.9" 8.3"5 18° – 42°
April53°30°1.8" 5.7"6 32° – 49°
May66°42°3.3" 0.6"9 49° – 61°
June75°53°3.6" 09 59° – 69°
July81°58°3.3" 07 62° – 75°
August79°56°2.6" 06 62° – 72°
September71°47°2.2" 06 52° – 63°
October55°34°1.8" 1.5"5 36° – 49°
November38°21°0.7" 7.2"4 17° – 40°
December25°9°0.6" 8.1"5 3° – 25°
Year52°32°21.8"48.1"69

“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 Wacker

Wacker gets 22 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 69 days a year.

22 in
Rain + melted snow a year
Less rain than 86% of U.S. towns
48 in
Snow in a normal winter
More snow than 80% of U.S. towns
69 days
With rain or snow (0.01"+)

Rain + melted snow by month

Inches of water
3.6"

Snowfall by month

Inches of snow
8.5"
Frost & the growing season

About 143 frost-free days a year

In half of years the last 32° night comes by May 10 and the first one by September 30. That leaves about 143 frost-free days for gardens, shorter than 87% of U.S. towns.

179
nights at or below 32° in a normal year
39
nights below 0° in a normal year
9
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 Wacker

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Wacker, 96% of that work is heating and 4% is cooling, so the furnace matters far more than the air conditioner.

96%heating
8,768 heating degree daysMore heating than 93% of U.S. towns
395 cooling degree daysLess cooling than 85% 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.

Around Wacker

Wacker and its neighbors

Wacker borders 2 towns with climate data. January nights across them vary by 0.1°. Weber has the coldest January nights (3°) and Hoffman the hottest July afternoons (81°). Wacker’s January low is 4° and its July high 81°.

Wachter: January low 3°, July high 82°Albertha: January low 4°, July high 80°Hoffman: January low 4°, July high 81°Weber: January low 3°, July high 81°Wacker: January low 4°, July high 81° WackerHoffmanWeber
ColderMilder3° to 4°
Weber3.4° −0.1°
Wacker3.5°
Hoffman3.5° same

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.

Compared with other towns

How Wacker compares

Summer heat81° July high
Cooler than 84% of U.S. towns75th coolest of 1,384 South Dakota towns
Winter cold4° January low
Colder than 92% of U.S. towns304th coldest of 1,384 South Dakota towns
Precipitation22" a year
Drier than 86% of U.S. towns389th driest of 1,384 South Dakota towns
Snow48" a winter
Snowier than 80% of U.S. towns173rd snowiest of 1,367 South Dakota towns
Growing season143 frost-free days
Shorter than 87% of U.S. towns336th shortest of 1,383 South Dakota 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 Wacker averaged 0.9° warmer than the 1900s. The biggest change is in January (+3.1°). The shift is smaller than in 80% of U.S. towns.

❄️ Winter+2.7° now 15°, was 12°
🌷 Spring+0.2° now 41°, was 41°
☀️ Summer+0.1° now 67°, was 67°
🍂 Fall+0.4° now 44°, was 44°

Change by month1991–2020 average minus 1901–2000 average, at Wacker’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 -1° to 27°. June is the most reliable, staying within 10°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Wacker’s climate

What is the coldest month in Wacker?

January, with a typical high of 20° and a low of 4°.

What is the hottest month in Wacker?

July, with a typical high of 81° and a low of 58°. About 9 days a year reach 90°.

How much snow does Wacker get?

About 48 inches in a normal winter, most of it in January.

When is the first frost in Wacker?

In half of years the first 32° night comes by September 30, and the last spring frost by May 10.

What is the rainiest month in Wacker?

June, with 3.6 inches of rain and melted snow. The year totals 22 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Wacker itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Forbes 10 Nw, ND (12 mi, snow) and Aberdeen 35 Wnw, SD (12 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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