Climate · Jackson

Jackson, IN climate

Jackson has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 88°, a January night drops to 25°, and about 11 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
88°
67th hottest of 1,978 Indiana towns
January low
25°
60th mildest of 1,978 Indiana towns
Rain + melted snow
49 in
130th wettest of 1,978 Indiana towns
Snow a winter
11 in
174th least snowy of 1,972 Indiana towns
A normal year

What a year in Jackson feels like

Winter

45° / 27°
Typical high / low · 4 days with an inch or more of snow

Spring

67° / 45°
Typical high / low · Last frost around Apr 12

Summer

87° / 65°
Typical high / low · 41 days reach 90° in a normal year

Fall

69° / 46°
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

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
January42°25°3.5" 3.4"94 26° – 43°
February47°27°3.4" 3.2"94 26° – 45°
March57°35°4.6" 1.6"111 39° – 59°
April68°45°5.3" 0110 50° – 62°
May77°55°5.3" 0120 61° – 73°
June85°64°4.6" 090 70° – 79°
July88°67°4.2" 090 73° – 83°
August87°65°3.0" 070 71° – 81°
September81°57°3.6" 070 65° – 75°
October70°46°3.6" 0.1"80 54° – 63°
November56°36°4.1" 0.3"90 39° – 52°
December46°29°4.1" 2.7"103 25° – 47°
Year67°46°49.3"11.3"11212

“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 49 inches of rain and melted snow a year. May is the wettest month and August the driest. Rain or snow falls on about 112 days a year. Snow covers the ground about 12 days of the year.

49 in
Rain + melted snow a year
More rain than 86% of U.S. towns
11 in
Snow in a normal winter
Less snow than 71% of U.S. towns
12 days
With 1"+ of snow on the ground
Fewer than 67% of U.S. towns

Rain + melted snow by month

Inches of water
5.3"

Snowfall by month

Inches of snow
3.4"
Frost & the growing season

About 196 frost-free days a year

In half of years the last 32° night comes by April 12 and the first one by October 25. That leaves about 196 frost-free days for gardens, longer than 70% of U.S. towns.

90
nights at or below 32° in a normal year
1
nights below 0° in a normal year
41
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, 74% of that work is heating and 26% is cooling.

74%heating
4,277 heating degree daysLess heating than 77% of U.S. towns
1,491 cooling degree daysMore cooling than 78% 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 4 towns with climate data. January nights across them vary by 0.8°. Pigeon has the coldest January nights (24°) and Skelton the hottest July afternoons (88°). Jackson’s January low is 25° and its July high 88°.

Boon: January low 25°, July high 88°Owen: January low 24°, July high 88°Carter: January low 24°, July high 87°Harrison: January low 24°, July high 87°Hammond: January low 25°, July high 88°Santa Claus: January low 24°, July high 87°Luce: January low 25°, July high 88°Ohio: January low 25°, July high 88°Cass: January low 24°, July high 87°Lockhart: January low 23°, July high 87°Lane: January low 24°, July high 88°Skelton: January low 24°, July high 88°Clay: January low 25°, July high 87°Grass: January low 25°, July high 88°Pigeon: January low 24°, July high 87°Jackson: January low 25°, July high 88° JacksonSkeltonClayGrassPigeon
ColderMilder23° to 25°
Pigeon23.8° −0.7°
Skelton24.3° −0.2°
Jackson24.5°
Clay24.6° +0.1°
Grass24.6° +0.1°

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 heat88° July high
Hotter than 69% of U.S. towns67th hottest of 1,978 Indiana towns
Winter cold25° January low
Milder than 71% of U.S. towns60th mildest of 1,978 Indiana towns
Precipitation49" a year
Wetter than 86% of U.S. towns130th wettest of 1,978 Indiana towns
Snow11" a winter
Less snow than 71% of U.S. towns174th least snowy of 1,972 Indiana towns
Growing season196 frost-free days
Longer than 70% of U.S. towns191st 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

+0.8°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Jackson averaged 0.8° warmer than the 1900s. The biggest change is in December (+1.9°). The shift is smaller than in 83% of U.S. towns.

❄️ Winter+1.5° now 36°, was 34°
🌷 Spring+1.1° now 56°, was 55°
☀️ Summer+0.3° now 76°, was 76°
🍂 Fall+0.4° now 58°, was 57°

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 25° to 47°. October is the most reliable, staying within 9°.

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 42° and a low of 25°.

What is the hottest month in Jackson?

July, with a typical high of 88° and a low of 67°. About 41 days a year reach 90°.

How much snow does Jackson get?

About 11 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 25, and the last spring frost by April 12.

What is the rainiest month in Jackson?

May, 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 Jackson itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Boonville 1s, IN (13 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

The coffee’s on

Where to, neighbor?

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