Climate · Valley

Valley, PA climate

Valley has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 18°, and about 35 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
82°
1129th coolest of 3,547 Pennsylvania towns
January low
18°
1196th coldest of 3,547 Pennsylvania towns
Rain + melted snow
46 in
1214th wettest of 3,547 Pennsylvania towns
Snow a winter
35 in
1539th snowiest of 3,541 Pennsylvania towns
A normal year

What a year in Valley feels like

Winter

37° / 21°
Typical high / low · 12 days with an inch or more of snow

Spring

60° / 36°
Typical high / low · Last frost around May 10

Summer

81° / 57°
Typical high / low · 7 days reach 90° in a normal year

Fall

62° / 41°
Typical high / low · First frost around Oct 12
Best months to be outsideMayJunJulAugSepOctHighs of 62–84° and lows of 40° or more
Month by month

Valley weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet days30-yr range
January35°18°3.5" 12.4"15 18° – 36°
February38°20°2.7" 5.1"12 15° – 37°
March48°27°3.6" 5.9"13 31° – 48°
April61°37°3.9" 0.3"14 44° – 54°
May71°46°4.1" 014 52° – 65°
June79°55°4.8" 013 63° – 70°
July82°59°4.8" 012 66° – 74°
August81°58°4.2" 011 65° – 74°
September74°51°4.2" 010 60° – 68°
October63°40°3.4" 011 47° – 57°
November50°31°3.4" 1.7"12 35° – 46°
December39°24°3.5" 9.1"14 22° – 43°
Year60°39°46.1"34.5"149

“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 Valley

Valley gets 46 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 149 days a year.

46 in
Rain + melted snow a year
More rain than 73% of U.S. towns
35 in
Snow in a normal winter
More snow than 63% of U.S. towns
149 days
With rain or snow (0.01"+)

Rain + melted snow by month

Inches of water
4.8"

Snowfall by month

Inches of snow
12"
Frost & the growing season

About 155 frost-free days a year

In half of years the last 32° night comes by May 10 and the first one by October 12. That leaves about 155 frost-free days for gardens, shorter than 76% of U.S. towns.

152
nights at or below 32° in a normal year
7
nights below 0° in a normal year
7
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 Valley

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Valley, 93% of that work is heating and 7% is cooling, so the furnace matters far more than the air conditioner.

93%heating
6,421 heating degree daysMore heating than 64% of U.S. towns
515 cooling degree daysLess cooling than 75% 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 Valley

Valley and its neighbors

Valley borders 3 towns with climate data. January nights across them vary by 0.7°. Boggs has the coldest January nights (18°) and Rayburn the hottest July afternoons (84°). Valley’s January low is 18° and its July high 82°.

East Franklin: January low 19°, July high 84°Washington: January low 18°, July high 83°Wayne: January low 18°, July high 82°Mahoning: January low 18°, July high 82°Pine: January low 18°, July high 83°Atwood: January low 19°, July high 83°Washington: January low 19°, July high 83°Plumcreek: January low 19°, July high 83°South Mahoning: January low 18°, July high 82°Kittanning: January low 19°, July high 83°Kittanning: January low 19°, July high 84°Manor: January low 19°, July high 84°Boggs: January low 18°, July high 82°Cowanshannock: January low 18°, July high 83°Rayburn: January low 19°, July high 84°Valley: January low 18°, July high 82° ValleyBoggsCowanshannockRayburn
ColderMilder18° to 19°
Boggs18.1° −0.1°
Valley18.2°
Cowanshannock18.4° +0.2°
Rayburn18.8° +0.6°

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

Compared with other towns

How Valley compares

Summer heat82° July high
Cooler than 73% of U.S. towns1129th coolest of 3,547 Pennsylvania towns
Winter cold18° January low
Colder than 55% of U.S. towns1196th coldest of 3,547 Pennsylvania towns
Precipitation46" a year
Wetter than 73% of U.S. towns1214th wettest of 3,547 Pennsylvania towns
Snow35" a winter
Snowier than 63% of U.S. towns1539th snowiest of 3,541 Pennsylvania towns
Growing season155 frost-free days
Shorter than 76% of U.S. towns571st 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 Valley averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.4°). The shift is smaller than in 55% of U.S. towns.

❄️ Winter+1.8° now 29°, was 27°
🌷 Spring+1.3° now 48°, was 47°
☀️ Summer+0.7° now 69°, was 68°
🍂 Fall+0.8° now 52°, was 51°

Change by month1991–2020 average minus 1901–2000 average, at Valley’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 15° to 37°. June is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Valley’s climate

What is the coldest month in Valley?

January, with a typical high of 35° and a low of 18°.

What is the hottest month in Valley?

July, with a typical high of 82° and a low of 59°. About 7 days a year reach 90°.

How much snow does Valley get?

About 35 inches in a normal winter, most of it in January.

When is the first frost in Valley?

In half of years the first 32° night comes by October 12, and the last spring frost by May 10.

What is the rainiest month in Valley?

June, with 4.8 inches of rain and melted snow. The year totals 46 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Valley itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Putneyville 2 Se Dam, PA (10 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?

You’re in Valley, PAArmstrong CountyView boundary

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