Climate · Jackson

Jackson, OH climate

Jackson has chilly winters and pleasant summers. A typical July afternoon reaches 84°, a January night drops to 21°, and about 20 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
84°
1137th coolest of 2,573 Ohio towns
January low
21°
935th mildest of 2,573 Ohio towns
Rain + melted snow
43 in
657th wettest of 2,573 Ohio towns
Snow a winter
20 in
1050th least snowy of 2,536 Ohio towns
A normal year

What a year in Jackson feels like

Winter

40° / 23°
Typical high / low · 9 days with an inch or more of snow

Spring

63° / 40°
Typical high / low · Last frost around Apr 30

Summer

83° / 60°
Typical high / low · 10 days reach 90° in a normal year

Fall

65° / 42°
Typical high / low · First frost around Oct 17
Best months to be outsideMayJunJulAugSepOctHighs 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
January37°21°3.1" 8.6"1412 20° – 40°
February41°23°2.6" 5.3"118 19° – 42°
March51°31°3.7" 2.8"123 34° – 53°
April64°40°4.0" 0.1"120 46° – 58°
May73°49°4.3" 0130 54° – 69°
June81°58°4.5" 0120 65° – 72°
July84°62°4.5" 0110 68° – 77°
August83°61°3.5" 0100 67° – 76°
September77°53°3.2" 090 62° – 70°
October65°42°3.0" 0100 50° – 60°
November53°32°3.0" 0.4"101 36° – 48°
December42°26°3.2" 3.0"135 23° – 45°
Year63°41°42.7"20.2"13729

“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 43 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 137 days a year. Snow covers the ground about 29 days of the year.

43 in
Rain + melted snow a year
More rain than 61% of U.S. towns
20 in
Snow in a normal winter
Less snow than 57% of U.S. towns
29 days
With 1"+ of snow on the ground
More than 50% of U.S. towns

Rain + melted snow by month

Inches of water
4.5"

Snowfall by month

Inches of snow
8.6"
Frost & the growing season

About 168 frost-free days a year

In half of years the last 32° night comes by April 30 and the first one by October 17. That leaves about 168 frost-free days for gardens, shorter than 63% of U.S. towns.

139
nights at or below 32° in a normal year
6
nights below 0° in a normal year
10
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, 90% of that work is heating and 10% is cooling, so the furnace matters far more than the air conditioner.

90%heating
5,864 heating degree daysMore heating than 52% of U.S. towns
679 cooling degree daysLess cooling than 62% 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 0.6°. Reading has the coldest January nights (20°) and Rush Creek the hottest July afternoons (84°). Jackson’s January low is 21° and its July high 84°.

Clayton: January low 20°, July high 84°Richland: January low 21°, July high 84°Hopewell: January low 20°, July high 84°Thorn: January low 20°, July high 84°Falls: January low 22°, July high 84°Marion: January low 21°, July high 84°Salt Lick: January low 21°, July high 84°Bearfield: January low 21°, July high 84°Pleasant: January low 21°, July high 84°Pleasant: January low 21°, July high 84°Berne: January low 21°, July high 85°Reading: January low 20°, July high 84°Monday Creek: January low 21°, July high 84°Pike: January low 21°, July high 83°Rush Creek: January low 21°, July high 84°Jackson: January low 21°, July high 84° JacksonReadingMonday CreekPikeRush Creek
ColderMilder20° to 22°
Reading20.3° −0.4°
Pike20.5° −0.2°
Jackson20.7°
Monday Creek20.9° +0.2°
Rush Creek20.9° +0.2°

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 heat84° July high
Cooler than 59% of U.S. towns1137th coolest of 2,573 Ohio towns
Winter cold21° January low
Milder than 57% of U.S. towns935th mildest of 2,573 Ohio towns
Precipitation43" a year
Wetter than 61% of U.S. towns657th wettest of 2,573 Ohio towns
Snow20" a winter
Less snow than 57% of U.S. towns1050th least snowy of 2,536 Ohio towns
Growing season168 frost-free days
Shorter than 63% of U.S. towns399th shortest of 2,573 Ohio towns

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

Then and now

Warmer than it used to be

+1.1°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Jackson averaged 1.1° warmer than the 1900s. The biggest change is in December (+2.7°). The shift is smaller than in 62% of U.S. towns.

❄️ Winter+1.8° now 32°, was 30°
🌷 Spring+1.2° now 51°, was 50°
☀️ Summer+0.4° now 71°, was 71°
🍂 Fall+0.9° now 54°, was 53°

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. February swings the most: between 1991 and 2020 its average temperature ranged from 19° to 42°. June is the most reliable, staying within 7°.

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 37° and a low of 21°.

What is the hottest month in Jackson?

July, with a typical high of 84° and a low of 62°. About 10 days a year reach 90°.

How much snow does Jackson get?

About 20 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 17, and the last spring frost by April 30.

What is the rainiest month in Jackson?

June, with 4.5 inches of rain and melted snow. The year totals 43 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 New Lexington 2 Nw, OH (6 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

The porch light’s on

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