Climate · Milltown

Milltown, IN climate

Milltown has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 87°, a January night drops to 23°, and about 13 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
87°
177th hottest of 1,978 Indiana towns
January low
23°
175th mildest of 1,978 Indiana towns
Rain + melted snow
49 in
127th wettest of 1,978 Indiana towns
Snow a winter
13 in
311th least snowy of 1,972 Indiana towns
A normal year

What a year in Milltown feels like

Winter

44° / 26°
Typical high / low · 5 days with an inch or more of snow

Spring

67° / 43°
Typical high / low · Last frost around Apr 17

Summer

86° / 63°
Typical high / low · 31 days reach 90° in a normal year

Fall

68° / 44°
Typical high / low · First frost around Oct 19
Best months to be outsideAprMaySepOctHighs of 62–84° and lows of 40° or more
Month by month

Milltown weather by month

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

MonthHighLowRain + meltSnowWet days30-yr range
January42°23°3.6" 3.7"8 25° – 42°
February46°26°3.3" 5.2"7 24° – 45°
March56°33°4.7" 1.2"9 37° – 58°
April68°43°5.3" 010 49° – 61°
May76°53°5.3" 011 59° – 72°
June84°62°4.5" 09 68° – 77°
July87°65°4.4" 09 71° – 82°
August87°63°3.2" 07 70° – 80°
September80°55°3.7" 07 64° – 74°
October69°44°3.5" 06 52° – 62°
November56°34°3.9" 0.1"8 39° – 51°
December45°28°3.9" 2.6"8 23° – 47°
Year66°44°49.3"12.8"98

“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 Milltown

Milltown gets 49 inches of rain and melted snow a year. April is the wettest month and August the driest. Rain or snow falls on about 98 days a year.

49 in
Rain + melted snow a year
More rain than 86% of U.S. towns
13 in
Snow in a normal winter
Less snow than 68% of U.S. towns
98 days
With rain or snow (0.01"+)

Rain + melted snow by month

Inches of water
5.3"

Snowfall by month

Inches of snow
5.2"
Frost & the growing season

About 184 frost-free days a year

In half of years the last 32° night comes by April 17 and the first one by October 19. That leaves about 184 frost-free days for gardens, longer than 57% of U.S. towns.

110
nights at or below 32° in a normal year
3
nights below 0° in a normal year
31
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 Milltown

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Milltown, 77% of that work is heating and 23% is cooling.

77%heating
4,436 heating degree daysLess heating than 75% of U.S. towns
1,302 cooling degree daysMore cooling than 72% 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 Milltown

Milltown and its neighbors

Milltown borders 2 towns with climate data. January nights across them vary by 0.3°. Blue River has both the coldest January nights (23°) and the hottest July afternoons (87°). Milltown’s January low is 23° and its July high 87°.

Spencer: January low 24°, July high 87°Posey: January low 23°, July high 87°Morgan: January low 23°, July high 86°Liberty: January low 23°, July high 86°Jennings: January low 24°, July high 87°Sterling: January low 23°, July high 87°Blue River: January low 23°, July high 87°Whiskey Run: January low 23°, July high 87°Milltown: January low 23°, July high 87° MilltownBlue RiverWhiskey Run
ColderMilder23° to 24°
Blue River23.0° −0.3°
Whiskey Run23.2° −0.1°
Milltown23.3°

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

Compared with other towns

How Milltown compares

Summer heat87° July high
Hotter than 65% of U.S. towns177th hottest of 1,978 Indiana towns
Winter cold23° January low
Milder than 68% of U.S. towns175th mildest of 1,978 Indiana towns
Precipitation49" a year
Wetter than 86% of U.S. towns127th wettest of 1,978 Indiana towns
Snow13" a winter
Less snow than 68% of U.S. towns311th least snowy of 1,972 Indiana towns
Growing season184 frost-free days
Longer than 57% of U.S. towns742nd longest of 1,978 Indiana 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 Milltown averaged 0.9° warmer than the 1900s. The biggest change is in February (+2.1°). The shift is smaller than in 79% of U.S. towns.

❄️ Winter+1.8° now 35°, was 33°
🌷 Spring+1.2° now 55°, was 54°
☀️ Summer+0.2° now 75°, was 74°
🍂 Fall+0.4° now 56°, was 56°

Change by month1991–2020 average minus 1901–2000 average, at Milltown’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. December swings the most: between 1991 and 2020 its average temperature ranged from 23° to 47°. June is the most reliable, staying within 10°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Milltown’s climate

What is the coldest month in Milltown?

January, with a typical high of 42° and a low of 23°.

What is the hottest month in Milltown?

July, with a typical high of 87° and a low of 65°. About 31 days a year reach 90°.

How much snow does Milltown get?

About 13 inches in a normal winter, most of it in February.

When is the first frost in Milltown?

In half of years the first 32° night comes by October 19, and the last spring frost by April 17.

What is the rainiest month in Milltown?

April, with 5.3 inches of rain and melted snow. The year totals 49 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Milltown itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Paoli, IN (19 mi, snow) and English, IN (11 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.

We left the porch light on

Where to, neighbor?

You’re in Milltown, INView boundary

Nearby

All towns & citiesExplore the map
Loading boundary…

Milltown is your selected town. The feed includes posts assigned to this town, not a distance radius or ZIP code.

Neighborhoods narrow the feed further, while townwide announcements, events, and issues remain visible.

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