Climate · North Union

North Union, PA climate

North Union has chilly winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 22°, and about 28 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
84°
1439th hottest of 3,547 Pennsylvania towns
January low
22°
853rd mildest of 3,547 Pennsylvania towns
Rain + melted snow
46 in
1424th wettest of 3,547 Pennsylvania towns
Snow a winter
28 in
1233rd least snowy of 3,541 Pennsylvania towns
A normal year

What a year in North Union feels like

Winter

41° / 23°
Typical high / low · 12 days with an inch or more of snow

Spring

63° / 39°
Typical high / low · Last frost around Apr 30

Summer

82° / 59°
Typical high / low · 14 days reach 90° in a normal year

Fall

65° / 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

North Union 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°22°3.5" 10.0"1712 23° – 39°
February42°23°3.0" 8.2"148 20° – 41°
March51°30°3.7" 4.9"144 34° – 51°
April64°39°3.9" 0.4"150 46° – 56°
May73°48°4.5" 0150 54° – 67°
June81°57°4.7" 0140 64° – 71°
July84°61°4.5" 0120 68° – 77°
August83°60°4.0" 0110 67° – 76°
September77°53°3.8" 0110 62° – 70°
October65°42°3.3" 0.1"120 50° – 60°
November53°32°3.2" 0.9"131 36° – 48°
December43°26°3.6" 3.6"155 24° – 45°
Year63°41°45.6"28.1"16129

“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 North Union

North Union 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 161 days a year. Snow covers the ground about 29 days of the year.

46 in
Rain + melted snow a year
More rain than 71% of U.S. towns
28 in
Snow in a normal winter
More snow than 54% 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
4.7"

Snowfall by month

Inches of snow
10"
Frost & the growing season

About 171 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 171 frost-free days for gardens, shorter than 59% of U.S. towns.

129
nights at or below 32° in a normal year
4
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 North Union

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In North Union, 87% of that work is heating and 13% is cooling, so the furnace matters far more than the air conditioner.

87%heating
5,450 heating degree daysLess heating than 57% of U.S. towns
791 cooling degree daysLess cooling than 54% 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 North Union

North Union and its neighbors

North Union borders 6 towns with climate data. January nights across them vary by 2.7°. Wharton has the coldest January nights (19°) and Uniontown the hottest July afternoons (84°). North Union’s January low is 22° and its July high 84°.

Connellsville: January low 20°, July high 82°Springfield: January low 20°, July high 82°Connellsville: January low 21°, July high 84°Lower Tyrone: January low 21°, July high 84°South Connellsville: January low 20°, July high 82°Stewart: January low 20°, July high 82°Dawson: January low 21°, July high 84°Upper Tyrone: January low 21°, July high 84°German: January low 22°, July high 84°Redstone: January low 22°, July high 84°Perry: January low 22°, July high 84°Jefferson: January low 22°, July high 84°Georges: January low 22°, July high 83°Henry Clay: January low 19°, July high 80°Springhill: January low 22°, July high 84°Uniontown: January low 22°, July high 84°Dunbar: January low 20°, July high 81°Menallen: January low 22°, July high 84°Franklin: January low 21°, July high 83°South Union: January low 22°, July high 84°Wharton: January low 19°, July high 81°North Union: January low 22°, July high 84° North UnionUniontownDunbarMenallenFranklinSouth UnionWharton
ColderMilder19° to 22°
Wharton19.0° −2.5°
Dunbar19.6° −1.9°
Franklin21.1° −0.4°
North Union21.5°
South Union21.5° same
Uniontown21.7° +0.2°
Menallen21.7° +0.2°

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

Compared with other towns

How North Union compares

Summer heat84° July high
Cooler than 57% of U.S. towns1439th hottest of 3,547 Pennsylvania towns
Winter cold22° January low
Milder than 60% of U.S. towns853rd mildest of 3,547 Pennsylvania towns
Precipitation46" a year
Wetter than 71% of U.S. towns1424th wettest of 3,547 Pennsylvania towns
Snow28" a winter
Snowier than 54% of U.S. towns1233rd least snowy of 3,541 Pennsylvania towns
Growing season171 frost-free days
Shorter than 59% of U.S. towns1333rd 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

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

The last 30 years in North Union averaged 0.7° warmer than the 1900s. The biggest change is in December (+2.3°). The shift is smaller than in 88% of U.S. towns.

❄️ Winter+1.5° now 32°, was 31°
🌷 Spring+0.7° now 51°, was 50°
☀️ Summer+0.4° now 71°, was 71°
🍂 Fall+0.3° now 54°, was 53°

Change by month1991–2020 average minus 1901–2000 average, at North Union’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. December swings the most: between 1991 and 2020 its average temperature ranged from 24° to 45°. June is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about North Union’s climate

What is the coldest month in North Union?

January, with a typical high of 38° and a low of 22°.

What is the hottest month in North Union?

July, with a typical high of 84° and a low of 61°. About 14 days a year reach 90°.

How much snow does North Union get?

About 28 inches in a normal winter, most of it in January.

When is the first frost in North Union?

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 North Union?

June, 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 North Union itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Uniontown 1 Ne, PA (2 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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