Climate · Jackson

Jackson, KS climate

Jackson has chilly winters and warm summers. A typical July afternoon reaches 91°, a January night drops to 18°, and about 14 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
91°
752nd coolest of 1,996 Kansas towns
January low
18°
453rd coldest of 1,996 Kansas towns
Rain + melted snow
33 in
972nd wettest of 1,996 Kansas towns
Snow a winter
14 in
965th least snowy of 1,996 Kansas towns
A normal year

What a year in Jackson feels like

Winter

42° / 20°
Typical high / low · 6 days with an inch or more of snow

Spring

66° / 42°
Typical high / low · Last frost around Apr 22

Summer

88° / 65°
Typical high / low · 45 days reach 90° in a normal year

Fall

68° / 43°
Typical high / low · First frost around Oct 20
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
January39°18°0.7" 4.6"47 22° – 40°
February44°21°1.1" 3.0"44 25° – 42°
March56°31°2.0" 1.1"61 36° – 56°
April66°41°3.2" 0.5"80 46° – 59°
May76°52°4.8" 0100 58° – 73°
June86°63°4.7" 090 69° – 79°
July91°67°4.5" 090 74° – 85°
August88°65°3.9" 080 71° – 84°
September81°56°2.9" 070 62° – 75°
October68°43°2.4" 0.1"60 48° – 61°
November54°31°1.5" 1.0"51 34° – 50°
December42°21°1.2" 3.4"47 19° – 37°
Year66°42°32.9"13.7"7920

“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 33 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 79 days a year. Snow covers the ground about 20 days of the year.

33 in
Rain + melted snow a year
Less rain than 70% of U.S. towns
14 in
Snow in a normal winter
Less snow than 67% of U.S. towns
20 days
With 1"+ of snow on the ground
Fewer than 58% of U.S. towns

Rain + melted snow by month

Inches of water
4.8"

Snowfall by month

Inches of snow
4.6"
Frost & the growing season

About 179 frost-free days a year

In half of years the last 32° night comes by April 22 and the first one by October 20. That leaves about 179 frost-free days for gardens, longer than 51% of U.S. towns.

134
nights at or below 32° in a normal year
6
nights below 0° in a normal year
45
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, 80% of that work is heating and 20% is cooling, so the furnace matters far more than the air conditioner.

80%heating
5,426 heating degree daysLess heating than 57% of U.S. towns
1,317 cooling degree daysMore cooling than 73% 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 5 towns with climate data. January nights across them vary by 1.2°. Swede Creek has the coldest January nights (17°) and Center the hottest July afternoons (91°). Jackson’s January low is 18° and its July high 91°.

Shannon: January low 18°, July high 89°Spring Creek: January low 17°, July high 90°Green: January low 18°, July high 90°Blue Rapids: January low 17°, July high 90°Cottage Hill: January low 18°, July high 90°May Day: January low 18°, July high 90°Bigelow: January low 17°, July high 90°Grant: January low 19°, July high 90°Madison: January low 19°, July high 90°Bala: January low 19°, July high 90°Blue Valley: January low 18°, July high 89°Swede Creek: January low 17°, July high 90°Sherman: January low 18°, July high 90°Center: January low 18°, July high 91°Fancy Creek: January low 19°, July high 90°Jackson: January low 18°, July high 91° JacksonBlue ValleySwede CreekShermanCenterFancy Creek
ColderMilder17° to 19°
Swede Creek17.4° −0.1°
Jackson17.5°
Center17.6° +0.1°
Sherman18.1° +0.6°
Blue Valley18.2° +0.7°
Fancy Creek18.6° +1.1°

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 heat91° July high
Hotter than 82% of U.S. towns752nd coolest of 1,996 Kansas towns
Winter cold18° January low
Colder than 59% of U.S. towns453rd coldest of 1,996 Kansas towns
Precipitation33" a year
Drier than 70% of U.S. towns972nd wettest of 1,996 Kansas towns
Snow14" a winter
Less snow than 67% of U.S. towns965th least snowy of 1,996 Kansas towns
Growing season179 frost-free days
Longer than 51% of U.S. towns645th shortest of 1,996 Kansas towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Then and now

Warmer than it used to be

+0.7°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Jackson averaged 0.7° warmer than the 1900s. The biggest change is in January (+2.2°). The shift is smaller than in 88% of U.S. towns.

❄️ Winter+1.8° now 31°, was 29°
🌷 Spring+0.9° now 54°, was 53°
☀️ Summer+0.0° now 76°, was 76°
🍂 Fall+0.2° now 55°, 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. March swings the most: between 1991 and 2020 its average temperature ranged from 36° to 56°. June is the most reliable, staying within 11°.

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 39° and a low of 18°.

What is the hottest month in Jackson?

July, with a typical high of 91° and a low of 67°. About 45 days a year reach 90°.

How much snow does Jackson get?

About 14 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 20, and the last spring frost by April 22.

What is the rainiest month in Jackson?

May, with 4.8 inches of rain and melted snow. The year totals 33 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 Randolph 4 Wnw, KS (4 mi, snow) and Tuttle Creek Lake, KS (17 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.

The coffee’s on

Where to, neighbor?

You’re in Jackson, KSRiley CountyView boundary

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