Climate · North Prairie

North Prairie, WI climate

North Prairie has cold, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 12°, and about 51 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
82°
512th hottest of 2,050 Wisconsin towns
January low
12°
183rd mildest of 2,050 Wisconsin towns
Rain + melted snow
36 in
444th wettest of 2,050 Wisconsin towns
Snow a winter
51 in
746th snowiest of 2,046 Wisconsin towns
A normal year

What a year in North Prairie feels like

Winter

31° / 16°
Typical high / low · 15 days with an inch or more of snow

Spring

56° / 35°
Typical high / low · Last frost around May 3

Summer

80° / 58°
Typical high / low · 11 days reach 90° in a normal year

Fall

60° / 40°
Typical high / low · First frost around Oct 9
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

North Prairie 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°1.7" 13.2"1123 10° – 32°
February32°16°1.6" 11.7"1021 12° – 35°
March44°25°2.0" 6.3"109 27° – 49°
April56°35°3.7" 2.4"131 37° – 52°
May68°46°4.1" 0140 51° – 63°
June78°56°4.8" 0130 64° – 72°
July82°60°3.9" 0100 66° – 78°
August80°59°3.8" 0110 64° – 75°
September73°51°3.4" 090 56° – 67°
October60°40°2.9" 0.4"110 45° – 56°
November45°29°2.2" 3.2"103 28° – 46°
December33°19°1.9" 13.5"1116 13° – 36°
Year57°37°36.2"50.7"13272

“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 North Prairie

North Prairie gets 36 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 132 days a year. Snow covers the ground about 72 days of the year.

36 in
Rain + melted snow a year
Less rain than 62% of U.S. towns
51 in
Snow in a normal winter
More snow than 83% of U.S. towns
72 days
With 1"+ of snow on the ground
More than 78% of U.S. towns

Rain + melted snow by month

Inches of water
4.8"

Snowfall by month

Inches of snow
14"
Frost & the growing season

About 157 frost-free days a year

In half of years the last 32° night comes by May 3 and the first one by October 9. That leaves about 157 frost-free days for gardens, shorter than 74% of U.S. towns.

148
nights at or below 32° in a normal year
17
nights below 0° in a normal year
11
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 North Prairie

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In North Prairie, 92% of that work is heating and 8% is cooling, so the furnace matters far more than the air conditioner.

92%heating
7,267 heating degree daysMore heating than 77% of U.S. towns
590 cooling degree daysLess cooling than 70% 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 North Prairie

North Prairie and its neighbors

North Prairie borders 3 towns with climate data. January nights across them vary by 0.4°. Genesee has the coldest January nights (12°) and Ottawa the hottest July afternoons (82°). North Prairie’s January low is 12° and its July high 82°.

Wales: January low 12°, July high 82°Waukesha: January low 13°, July high 82°Delafield: January low 12°, July high 82°Mukwonago: January low 13°, July high 82°Vernon: January low 13°, July high 82°East Troy: January low 13°, July high 83°Eagle: January low 13°, July high 82°Troy: January low 13°, July high 83°Dousman: January low 12°, July high 82°Sullivan: January low 12°, July high 82°Summit: January low 12°, July high 82°Genesee: January low 12°, July high 82°Mukwonago: January low 13°, July high 82°Ottawa: January low 12°, July high 82°North Prairie: January low 12°, July high 82° North PrairieGeneseeMukwonagoOttawa
ColderMilder12° to 13°
Genesee12.2° −0.1°
North Prairie12.3°
Ottawa12.3° same
Mukwonago12.6° +0.3°

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

Compared with other towns

How North Prairie compares

Summer heat82° July high
Cooler than 75% of U.S. towns512th hottest of 2,050 Wisconsin towns
Winter cold12° January low
Colder than 77% of U.S. towns183rd mildest of 2,050 Wisconsin towns
Precipitation36" a year
Drier than 62% of U.S. towns444th wettest of 2,050 Wisconsin towns
Snow51" a winter
Snowier than 83% of U.S. towns746th snowiest of 2,046 Wisconsin towns
Growing season157 frost-free days
Shorter than 74% of U.S. towns660th longest of 2,050 Wisconsin towns

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

Then and now

Warmer than it used to be

+1.3°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in North Prairie averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.9°). The shift is larger than in 58% of U.S. towns.

❄️ Winter+2.6° now 23°, was 21°
🌷 Spring+1.1° now 46°, was 45°
☀️ Summer+0.4° now 69°, was 69°
🍂 Fall+1.1° now 50°, was 49°

Change by month1991–2020 average minus 1901–2000 average, at North Prairie’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 12° to 35°. June is the most reliable, staying within 8°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about North Prairie’s climate

What is the coldest month in North Prairie?

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

What is the hottest month in North Prairie?

July, with a typical high of 82° and a low of 60°. About 11 days a year reach 90°.

How much snow does North Prairie get?

About 51 inches in a normal winter, most of it in December.

When is the first frost in North Prairie?

In half of years the first 32° night comes by October 9, and the last spring frost by May 3.

What is the rainiest month in North Prairie?

June, with 4.8 inches of rain and melted snow. The year totals 36 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for North Prairie itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Sullivan 3se, WI (8 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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