Climate · Jackson

Jackson, IN climate

Jackson has chilly winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 21°, and about 15 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
86°
309th hottest of 1,978 Indiana towns
January low
21°
576th mildest of 1,978 Indiana towns
Rain + melted snow
45 in
604th wettest of 1,978 Indiana towns
Snow a winter
15 in
538th least snowy of 1,972 Indiana towns
A normal year

What a year in Jackson feels like

Winter

41° / 24°
Typical high / low · 5 days with an inch or more of snow

Spring

65° / 43°
Typical high / low · Last frost around Apr 14

Summer

85° / 64°
Typical high / low · 19 days reach 90° in a normal year

Fall

67° / 45°
Typical high / low · First frost around Oct 26
Best months to be outsideAprMayJunSepOctHighs of 62–84° and lows of 40° or more
Month by month

Jackson 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
January38°21°3.1" 5.3"1110 22° – 40°
February43°24°2.5" 3.6"106 21° – 43°
March53°33°3.6" 1.7"111 35° – 57°
April65°43°4.8" 0120 48° – 60°
May75°53°4.9" 0130 58° – 73°
June84°62°5.2" 0110 68° – 76°
July86°65°4.4" 0100 71° – 83°
August85°63°3.1" 080 70° – 79°
September80°55°3.4" 080 63° – 73°
October68°44°3.7" 0.1"90 52° – 61°
November53°34°3.7" 0.5"101 36° – 51°
December42°26°3.1" 3.9"116 20° – 43°
Year64°44°45.4"15.1"12123

“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 Jackson

Jackson gets 45 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 121 days a year. Snow covers the ground about 23 days of the year.

45 in
Rain + melted snow a year
More rain than 71% of U.S. towns
15 in
Snow in a normal winter
Less snow than 65% of U.S. towns
23 days
With 1"+ of snow on the ground
Fewer than 55% of U.S. towns

Rain + melted snow by month

Inches of water
5.2"

Snowfall by month

Inches of snow
5.3"
Frost & the growing season

About 193 frost-free days a year

In half of years the last 32° night comes by April 14 and the first one by October 26. That leaves about 193 frost-free days for gardens, longer than 67% of U.S. towns.

113
nights at or below 32° in a normal year
5
nights below 0° in a normal year
19
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 Jackson

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Jackson, 81% of that work is heating and 19% is cooling, so the furnace matters far more than the air conditioner.

81%heating
5,043 heating degree daysLess heating than 65% of U.S. towns
1,193 cooling degree daysMore cooling than 69% 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 Jackson

Jackson and its neighbors

Jackson borders 6 towns with climate data. January nights across them vary by 1.0°. Pierson has the coldest January nights (21°) and Hamilton the hottest July afternoons (87°). Jackson’s January low is 21° and its July high 86°.

Linton: January low 21°, July high 86°Fairbanks: January low 21°, July high 87°Farmersburg: January low 21°, July high 86°Harrison: January low 21°, July high 86°Smith: January low 21°, July high 86°Perry: January low 20°, July high 86°Gill: January low 22°, July high 87°Turman: January low 21°, July high 87°Haddon: January low 22°, July high 87°Stockton: January low 21°, July high 87°Jefferson: January low 22°, July high 86°Riley: January low 21°, July high 86°Curry: January low 21°, July high 86°Lewis: January low 21°, July high 86°Hamilton: January low 22°, July high 87°Cass: January low 21°, July high 87°Pierson: January low 21°, July high 86°Wright: January low 21°, July high 86°Jackson: January low 21°, July high 86° JacksonCurryLewisHamiltonCassPiersonWright
ColderMilder20° to 22°
Pierson20.5° −0.5°
Lewis20.7° −0.3°
Wright20.9° −0.1°
Jackson21.0°
Curry21.0° same
Cass21.2° +0.2°
Hamilton21.5° +0.5°

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

Compared with other towns

How Jackson compares

Summer heat86° July high
Hotter than 61% of U.S. towns309th hottest of 1,978 Indiana towns
Winter cold21° January low
Milder than 58% of U.S. towns576th mildest of 1,978 Indiana towns
Precipitation45" a year
Wetter than 71% of U.S. towns604th wettest of 1,978 Indiana towns
Snow15" a winter
Less snow than 65% of U.S. towns538th least snowy of 1,972 Indiana towns
Growing season193 frost-free days
Longer than 67% of U.S. towns328th 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

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

The last 30 years in Jackson averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.3°). The shift is larger than in 59% of U.S. towns.

❄️ Winter+2.0° now 32°, was 30°
🌷 Spring+1.7° now 54°, was 52°
☀️ Summer+0.7° now 74°, was 74°
🍂 Fall+0.9° now 56°, was 55°

Change by month1991–2020 average minus 1901–2000 average, at Jackson’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 20° to 43°. June is the most reliable, staying within 8°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Jackson’s climate

What is the coldest month in Jackson?

January, with a typical high of 38° and a low of 21°.

What is the hottest month in Jackson?

July, with a typical high of 86° and a low of 65°. About 19 days a year reach 90°.

How much snow does Jackson get?

About 15 inches in a normal winter, most of it in January.

When is the first frost in Jackson?

In half of years the first 32° night comes by October 26, and the last spring frost by April 14.

What is the rainiest month in Jackson?

June, with 5.2 inches of rain and melted snow. The year totals 45 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Jackson itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Farmersburg Tv-2, IN (6 mi, snow) and Shakamak Sp, IN (4 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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