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George Lawrence Jr. Clarke HouseGeorge Lawrence Jr. Clarke House · Photo: porterhse · CC BY-SA 3.0
Climate in Butler · NOAA 1991–2020 normals

Butler’s winters are colder and snowier than most of the U.S.

A typical July afternoon reaches 82°, a January night drops to 14°, and about 40 inches of snow falls in a normal winter.

Colder January nights than 88% of U.S. towns#329 coldest of 378 in WI
More snow than 74% of U.S. towns#269Snowiest  of 378 in WI
All WI rankings →

A year in Butler at a glance

Each month’s typical high and low, and what it brings.

Jan29°14° 11" snow
Feb33°17° 10" snow
Mar43°26° 5" snow
Apr55°35° Last frost ~Apr 26
May68°46° 1 day 90°+
Jun77°56° 4 days 90°+Wettest
Jul82°61° 6 days 90°+
Aug80°60° 4 days 90°+
Sep73°52° 2 days 90°+
Oct60°41° First frost ~Oct 18
Nov now46°30°
Dec34°20° 10" snow

What stands out about Butler’s climate

Compared with towns across the U.S., with Butler’s place in Wisconsin beside it.

A normal year

What a year in Butler feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
32° / 17°
13 days with 1"+ of snow
Spring
55° / 35°
Last frost around Apr 26
Summer
80° / 59°
17 days reach 90°
Fall
60° / 41°
First frost around Oct 18
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 173 frost-free days a year

In half of years the last 32° night comes by April 26 and the first by October 18. Frost and day counts come from NOAA’s station at Mt Mary College, WI, 3 miles from the town’s center, at about the same height.

134
nights at or below 32° in a normal year
349th most of 378 in Wisconsin
More freezing nights than 72% of U.S. towns
11
nights at or below 0°
335th most of 378 in Wisconsin
More nights at or below 0° than 86% of U.S. towns
17
days that reach 90°
349th fewest of 378 in Wisconsin
Fewer 90° days than 57% of U.S. towns
<1
days that reach 100°
5th most of 378 in Wisconsin
More 100° days than 62% of U.S. towns
5bUSDA zone
Plant hardiness zone 5b

The 2023 USDA map puts Butler’s center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −11°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

29
JFMAMJJASOND

90° days by month

Average days at 90° or more

6.0
JFMAMJJASOND
Rain & snow

About 40 inches of snow a winter

Snow, measured at Mt Mary College, WI, is heaviest from January through February, about 10 inches a month. Precipitation (rain plus melted snow) adds up to 35 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 120 days a year.

35"
Rain + melted snow a year
201st driest of 378 in Wisconsin
Drier than 78% of U.S. towns
40"
Snow in a normal winter
269th snowiest of 378 in Wisconsin
More snow than 74% of U.S. towns
58 days
With 1"+ of snow on the ground
308th most of 352 in Wisconsin
More days with snow on the ground than 78% of U.S. towns

Rain + melted snow by month

Inches of water

4.5"
JFMAMJJASOND

Snowfall by month

Inches of snow

11"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Butler

90% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.

6,792 heating degree daysMore heating than 84% of U.S. towns
728 cooling degree daysLess cooling than 66% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Mt Mary College, WI.

Living here

Living with Butler’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

173 frost-free days in zone 5b. The last frost comes by Apr 26 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 18.

Get outside

Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 0.1 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Butler from natural hazards, river flooding is the largest share (56%); heat waves, cold waves, winter storms and ice storms together are 25%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Butler and its neighbors

Every town next door is within a degree of Butler in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Lannon: January low 13°, July high 82°Lisbon: January low 12°, July high 82°Germantown: January low 13°, July high 82°Brookfield: January low 13°, July high 82°Pewaukee: January low 12°, July high 82°Elm Grove: January low 13°, July high 82°New Berlin: January low 13°, July high 82°West Allis: January low 14°, July high 82°Wauwatosa: January low 14°, July high 82°Greenfield: January low 14°, July high 82°Glendale: January low 15°, July high 80°Shorewood: January low 16°, July high 80°St. Francis: January low 16°, July high 80°West Milwaukee: January low 15°, July high 82°Brown Deer: January low 14°, July high 81°Oak Creek: January low 16°, July high 81°Whitefish Bay: January low 16°, July high 80°Cudahy: January low 16°, July high 81°Menomonee Falls: January low 13°, July high 82°Brookfield: January low 13°, July high 82°Milwaukee: January low 15°, July high 82°Butler: January low 14°, July high 82°ButlerMenomonee FallsBrookfieldMilwaukee
ColderMilder12° to 16°
Menomonee Falls13.0° about the same
Brookfield13.2° about the same
Butler13.5°
Milwaukee14.6° +1.1°

Climates most like Butler’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Butler, WI14°82°35"40"
Milford, MI15°82°33"36"
Horseheads, NY16°82°36"42"
Boone, IA11°84°36"36"
Kendallville, IN17°83°38"36"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Then and now

Warmer than it used to be

The last 30 years in Butler averaged 1.4° warmer than the 1900s. The biggest change is in December (+3.1°).

+1.4°1991–2020 vs. 1901–2000

A smaller shift than in 50% of U.S. towns.

Winter+2.8°now 24°, was 22°
Spring+1.0°now 45°, was 44°
Summer+0.5°now 69°, was 69°
Fall+1.1°now 50°, was 49°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Butler compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Butler’s place among Wisconsin’s.

Summer heat82° July high
Cooler July afternoons than 82% of U.S. towns224th coolest of 378 in Wisconsin
Winter cold14° January low
Colder January nights than 88% of U.S. towns329th coldest of 378 in Wisconsin
Precipitation35" a year
Drier than 78% of U.S. towns201st driest of 378 in Wisconsin
Snow40" a winter
More snow than 74% of U.S. towns269th snowiest of 378 in Wisconsin
Hot days17 days at 90°+
Fewer 90° days than 57% of U.S. towns349th fewest of 378 in Wisconsin
Freezing nights134 a year
More freezing nights than 72% of U.S. towns349th most of 378 in Wisconsin
Growing season173 frost-free days
A shorter frost-free season than 68% of U.S. towns338th shortest of 377 in Wisconsin
Month by month

Butler weather by month

Highs, lows and precipitation from NOAA’s grid at Butler’s center; snow, wet days and snow on the ground from Mt Mary College, WI. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January29°14°1.6"11.0"102011° – 33°
February33°17°1.6"9.9"91713° – 35°
March43°26°2.0"5.3"9726° – 49°
April55°35°3.7"1.5"12136° – 51°
May68°46°3.8"0.0"13051° – 62°
June77°56°4.5"0.0"11063° – 72°
July82°61°3.6"0.0"10066° – 78°
August80°60°3.8"0.0"10065° – 75°
September73°52°3.2"0.0"9056° – 67°
October60°41°2.8"0.0"11046° – 57°
November46°30°2.1"2.0"9229° – 46°
December34°20°1.8"9.8"101215° – 37°
Year57°38°34.6"39.5"12058
Year to year

How much a month can swing

A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 26° to 49°. June is the most reliable, staying within 9°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Butler’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Butler’s center.
  • Snow: Mt Mary College, WI.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Mt Mary College, WI, 3 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Butler’s climate

What is the weather like in Butler?

A typical July afternoon reaches 82°, a January night drops to 14°, and about 40 inches of snow falls in a normal winter. Colder January nights than 88% of U.S. towns; cooler July afternoons than 82% of U.S. towns.

How cold does it get in Butler in winter?

January nights average 14°. About 134 nights a year reach 32° or below and 11 reach 0° or below. In the coldest January of the last 30 years the month averaged 11°.

How much snow does Butler get?

About 40 inches in a normal winter at Mt Mary College, WI, heaviest from January through February, about 10 inches a month, with snow on the ground about 58 days a year.

How hot does it get in Butler?

July, with a typical high of 82° and a low of 61°. About 17 days a year reach 90° (Mt Mary College, WI).

When is the first and last frost in Butler?

In half of years the last spring frost (32°) comes by April 26 and the first fall frost by October 18, about 173 frost-free days, at Mt Mary College, WI.

What growing zone is Butler in?

Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −11°.

What is the best time of year to visit Butler?

By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Butler getting warmer?

Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 50% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Butler.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.