Climate · Montgomery

Montgomery, IN climate

Montgomery has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 88°, a January night drops to 24°, and about 13 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
88°
11th hottest of 1,978 Indiana towns
January low
24°
101st mildest of 1,978 Indiana towns
Rain + melted snow
48 in
343rd wettest of 1,978 Indiana towns
Snow a winter
13 in
266th least snowy of 1,972 Indiana towns
A normal year

What a year in Montgomery feels like

Winter

43° / 26°
Typical high / low · 4 days with an inch or more of snow

Spring

67° / 45°
Typical high / low · Last frost around Apr 13

Summer

87° / 66°
Typical high / low · 38 days reach 90° in a normal year

Fall

69° / 47°
Typical high / low · First frost around Oct 25
Best months to be outsideAprMaySepOctHighs of 62–84° and lows of 40° or more
Month by month

Montgomery weather by month

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

MonthHighLowRain + meltSnowWet days30-yr range
January40°24°3.4" 2.6"10 25° – 42°
February45°27°3.0" 3.7"9 25° – 45°
March56°35°4.3" 1.1"11 38° – 59°
April68°45°5.1" 011 50° – 62°
May77°56°5.2" 011 61° – 73°
June85°64°4.8" 09 70° – 79°
July88°68°4.3" 09 73° – 84°
August87°66°3.1" 07 72° – 82°
September81°58°3.7" 07 65° – 75°
October70°46°3.4" 0.2"7 53° – 63°
November55°36°3.9" 0.2"9 38° – 51°
December44°28°3.7" 4.8"10 23° – 45°
Year66°46°47.8"12.6"110

“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 Montgomery

Montgomery gets 48 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 110 days a year.

48 in
Rain + melted snow a year
More rain than 81% of U.S. towns
13 in
Snow in a normal winter
Less snow than 69% of U.S. towns
110 days
With rain or snow (0.01"+)

Rain + melted snow by month

Inches of water
5.2"

Snowfall by month

Inches of snow
4.8"
Frost & the growing season

About 194 frost-free days a year

In half of years the last 32° night comes by April 13 and the first one by October 25. That leaves about 194 frost-free days for gardens, longer than 68% of U.S. towns.

100
nights at or below 32° in a normal year
2
nights below 0° in a normal year
38
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 Montgomery

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Montgomery, 79% of that work is heating and 21% is cooling.

79%heating
4,920 heating degree daysLess heating than 67% of U.S. towns
1,303 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 Montgomery

Montgomery and its neighbors

Montgomery borders 6 towns with climate data. January nights across them vary by 1.0°. White River has the coldest January nights (24°) and Wabash the hottest July afternoons (88°). Montgomery’s January low is 24° and its July high 88°.

Center: January low 24°, July high 88°Patoka: January low 24°, July high 88°Washington: January low 23°, July high 88°Gray: January low 24°, July high 88°Bethel: January low 25°, July high 88°Grayville: January low 24°, July high 88°Harmony: January low 25°, July high 88°Phillips: January low 24°, July high 88°Center: January low 25°, July high 88°Johnson: January low 24°, July high 88°Barton: January low 24°, July high 88°Armstrong: January low 25°, July high 88°Robinson: January low 25°, July high 88°Decker: January low 24°, July high 88°Johnson: January low 23°, July high 88°Mount Carmel: January low 24°, July high 88°Patoka: January low 24°, July high 88°Wabash: January low 24°, July high 88°Robb: January low 24°, July high 88°Union: January low 24°, July high 88°Smith: January low 25°, July high 88°White River: January low 24°, July high 88°Montgomery: January low 24°, July high 88° MontgomeryPatokaWabashRobbUnionSmithWhite River
ColderMilder23° to 25°
White River23.6° −0.4°
Patoka23.8° −0.2°
Montgomery24.0°
Wabash24.1° +0.1°
Union24.1° +0.1°
Robb24.4° +0.4°
Smith24.6° +0.6°

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

Compared with other towns

How Montgomery compares

Summer heat88° July high
Hotter than 71% of U.S. towns11th hottest of 1,978 Indiana towns
Winter cold24° January low
Milder than 70% of U.S. towns101st mildest of 1,978 Indiana towns
Precipitation48" a year
Wetter than 81% of U.S. towns343rd wettest of 1,978 Indiana towns
Snow13" a winter
Less snow than 69% of U.S. towns266th least snowy of 1,972 Indiana towns
Growing season194 frost-free days
Longer than 68% of U.S. towns245th 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

+1.0°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Montgomery averaged 1.0° warmer than the 1900s. The biggest change is in February (+1.7°). The shift is smaller than in 71% of U.S. towns.

❄️ Winter+1.5° now 35°, was 33°
🌷 Spring+1.2° now 56°, was 55°
☀️ Summer+0.6° now 76°, was 76°
🍂 Fall+0.7° now 58°, was 57°

Change by month1991–2020 average minus 1901–2000 average, at Montgomery’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 45°. June is the most reliable, staying within 9°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Montgomery’s climate

What is the coldest month in Montgomery?

January, with a typical high of 40° and a low of 24°.

What is the hottest month in Montgomery?

July, with a typical high of 88° and a low of 68°. About 38 days a year reach 90°.

How much snow does Montgomery get?

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

When is the first frost in Montgomery?

In half of years the first 32° night comes by October 25, and the last spring frost by April 13.

What is the rainiest month in Montgomery?

May, with 5.2 inches of rain and melted snow. The year totals 48 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Montgomery itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Poseyville, IN (9 mi, snow) and Princeton 1 W, IN (9 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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