Climate · Pen Argyl

Pen Argyl, PA climate

Pen Argyl has chilly winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 83°, a January night drops to 19°, and about 23 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
83°
1608th coolest of 3,547 Pennsylvania towns
January low
19°
1296th coldest of 3,547 Pennsylvania towns
Rain + melted snow
51 in
106th wettest of 3,547 Pennsylvania towns
Snow a winter
23 in
595th least snowy of 3,541 Pennsylvania towns
+15°

15° warmer than normal today. The forecast high is 83°, and a typical Oct 2 in Pen Argyl peaks around 68°.Live forecast: National Weather Service · Normal: NOAA 1991–2020

A normal year

What a year in Pen Argyl feels like

Winter

39° / 21°
Typical high / low · 7 days with an inch or more of snow

Spring

60° / 37°
Typical high / low · Last frost around Apr 30

Summer

81° / 59°
Typical high / low · 14 days reach 90° in a normal year

Fall

63° / 42°
Typical high / low · First frost around Oct 18
Best months to be outsideMayJunJulAugSepOctHighs of 62–84° and lows of 40° or more
Month by month

Pen Argyl weather by month

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

MonthHighLowRain + meltSnowWet days30-yr range
January36°19°3.6" 9.9"11 18° – 35°
February40°20°2.8" 5.2"9 18° – 37°
March48°27°3.9" 3.5"11 31° – 48°
April61°37°4.1" 0.3"11 45° – 54°
May71°47°4.2" 014 54° – 64°
June79°56°5.0" 012 64° – 70°
July83°61°4.8" 011 67° – 76°
August81°59°4.9" 011 66° – 74°
September74°52°4.9" 09 60° – 67°
October63°41°4.7" 010 47° – 59°
November52°32°3.6" 0.4"10 36° – 47°
December41°24°4.4" 4.0"12 25° – 43°
Year61°40°50.7"23.3"131

“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 Pen Argyl

Pen Argyl gets 51 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 131 days a year.

51 in
Rain + melted snow a year
More rain than 89% of U.S. towns
23 in
Snow in a normal winter
Less snow than 53% of U.S. towns
131 days
With rain or snow (0.01"+)

Rain + melted snow by month

Inches of water
5.0"

Snowfall by month

Inches of snow
9.9"
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 18. That leaves about 168 frost-free days for gardens, shorter than 63% of U.S. towns.

135
nights at or below 32° in a normal year
2
nights below 0° in a normal year
14
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 Pen Argyl

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Pen Argyl, 90% of that work is heating and 10% is cooling, so the furnace matters far more than the air conditioner.

90%heating
6,050 heating degree daysMore heating than 57% of U.S. towns
650 cooling degree daysLess cooling than 65% 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.

Compared with other towns

How Pen Argyl compares

Summer heat83° July high
Cooler than 63% of U.S. towns1608th coolest of 3,547 Pennsylvania towns
Winter cold19° January low
Colder than 54% of U.S. towns1296th coldest of 3,547 Pennsylvania towns
Precipitation51" a year
Wetter than 89% of U.S. towns106th wettest of 3,547 Pennsylvania towns
Snow23" a winter
Less snow than 53% of U.S. towns595th least snowy of 3,541 Pennsylvania towns
Growing season168 frost-free days
Shorter than 63% of U.S. towns1125th 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

+2.2°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Pen Argyl averaged 2.2° warmer than the 1900s. The biggest change is in December (+4.0°). The shift is larger than in 98% of U.S. towns.

❄️ Winter+3.4° now 30°, was 26°
🌷 Spring+1.9° now 48°, was 46°
☀️ Summer+1.7° now 70°, was 68°
🍂 Fall+1.9° now 52°, was 50°

Change by month1991–2020 average minus 1901–2000 average, at Pen Argyl’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 18° to 37°. June is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Pen Argyl’s climate

What is the coldest month in Pen Argyl?

January, with a typical high of 36° and a low of 19°.

What is the hottest month in Pen Argyl?

July, with a typical high of 83° and a low of 61°. About 14 days a year reach 90°.

How much snow does Pen Argyl get?

About 23 inches in a normal winter, most of it in January.

When is the first frost in Pen Argyl?

In half of years the first 32° night comes by October 18, and the last spring frost by April 30.

What is the rainiest month in Pen Argyl?

June, with 5.0 inches of rain and melted snow. The year totals 51 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Pen Argyl itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Belvidere Brg, NJ (9 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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