Climate · Jackson

Jackson, PA climate

Jackson has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 21°, and about 30 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
83°
1365th coolest of 3,547 Pennsylvania towns
January low
21°
1362nd mildest of 3,547 Pennsylvania towns
Rain + melted snow
46 in
1396th wettest of 3,547 Pennsylvania towns
Snow a winter
30 in
1601st least snowy of 3,541 Pennsylvania 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° / 39°
Typical high / low · Last frost around May 3

Summer

81° / 59°
Typical high / low · 10 days reach 90° in a normal year

Fall

64° / 42°
Typical high / low · First frost around Oct 15
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
January38°21°3.8" 9.5"1512 21° – 39°
February41°23°3.1" 8.1"138 20° – 41°
March51°30°3.8" 5.6"134 34° – 51°
April64°39°3.9" 0.4"140 46° – 56°
May73°48°4.5" 0140 54° – 67°
June80°56°4.4" 0130 64° – 71°
July83°61°4.7" 0110 67° – 76°
August82°60°3.7" 0110 66° – 75°
September76°53°3.7" 0100 61° – 69°
October64°42°3.4" 0.2"110 50° – 59°
November52°32°3.1" 0.7"121 36° – 47°
December42°26°3.7" 5.6"146 24° – 45°
Year62°41°45.7"30.1"15230

“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 46 inches of rain and melted snow a year. July is the wettest month and November the driest. Rain or snow falls on about 152 days a year. Snow covers the ground about 30 days of the year.

46 in
Rain + melted snow a year
More rain than 72% of U.S. towns
30 in
Snow in a normal winter
More snow than 58% of U.S. towns
30 days
With 1"+ of snow on the ground
More than 51% of U.S. towns

Rain + melted snow by month

Inches of water
4.7"

Snowfall by month

Inches of snow
9.5"
Frost & the growing season

About 164 frost-free days a year

In half of years the last 32° night comes by May 3 and the first one by October 15. That leaves about 164 frost-free days for gardens, shorter than 67% of U.S. towns.

138
nights at or below 32° in a normal year
4
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
5,749 heating degree daysMore heating than 50% of U.S. towns
663 cooling degree daysLess cooling than 64% 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 0.6°. Aleppo has the coldest January nights (20°) and Gilmore the hottest July afternoons (83°). Jackson’s January low is 21° and its July high 83°.

Franklin: January low 21°, July high 83°Gray: January low 20°, July high 83°Morris: January low 21°, July high 83°Springhill: January low 21°, July high 83°Perry: January low 22°, July high 83°Whiteley: January low 21°, July high 83°West Finley: January low 21°, July high 83°East Finley: January low 20°, July high 83°Center: January low 21°, July high 83°Freeport: January low 21°, July high 83°Wayne: January low 21°, July high 83°Gilmore: January low 21°, July high 83°Aleppo: January low 20°, July high 83°Richhill: January low 21°, July high 83°Jackson: January low 21°, July high 83° JacksonCenterFreeportWayneGilmoreAleppoRichhill
ColderMilder20° to 22°
Aleppo20.4° −0.2°
Jackson20.6°
Richhill20.6° same
Center20.7° +0.1°
Freeport20.7° +0.1°
Wayne21.0° +0.4°
Gilmore21.0° +0.4°

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 heat83° July high
Cooler than 67% of U.S. towns1365th coolest of 3,547 Pennsylvania towns
Winter cold21° January low
Milder than 57% of U.S. towns1362nd mildest of 3,547 Pennsylvania towns
Precipitation46" a year
Wetter than 72% of U.S. towns1396th wettest of 3,547 Pennsylvania towns
Snow30" a winter
Snowier than 58% of U.S. towns1601st least snowy of 3,541 Pennsylvania towns
Growing season164 frost-free days
Shorter than 67% of U.S. towns1005th shortest of 3,547 Pennsylvania towns

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

Then and now

Warmer than it used to be

+1.2°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Jackson averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.6°). The shift is smaller than in 54% of U.S. towns.

❄️ Winter+1.7° now 32°, was 30°
🌷 Spring+1.4° now 51°, was 49°
☀️ Summer+0.7° now 70°, was 70°
🍂 Fall+0.9° now 53°, was 52°

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 20° to 41°. 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 38° and a low of 21°.

What is the hottest month in Jackson?

July, with a typical high of 83° and a low of 61°. About 10 days a year reach 90°.

How much snow does Jackson get?

About 30 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 15, and the last spring frost by May 3.

What is the rainiest month in Jackson?

July, with 4.7 inches of rain and melted snow. The year totals 46 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 Waynesburg 1 E, PA (12 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

Where to, neighbor?

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