Union County, PA Weather


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The most pleasant months of the year for Union County are June, September and August. In Union County, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Union County with an average high temperature of 84.0°, which ranks it as warmer than most places in Pennsylvania. January is the snowiest month in Union County with 10.7 inches of snow, and 6 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.

Today's Weather - Union, PA

10 PM PST

Clear

49°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
OvernightClear42° / 71°NW 2 mph
Tuesday NightPartly Cloudy47° / 57°NE 5 mph
Wednesday NightShowers And Thunderstorms50° / 58°SE 7 mph
Thursday NightChance Rain Showers then Mostly Cloudy47° / 60°SE 3 to 7 mph
Friday NightChance Rain Showers46° / 60°SW 8 mph
Saturday NightSlight Chance Rain Showers then Partly Cloudy39° / 57°NW 6 to 9 mph
Sunday NightSlight Chance Rain Showers then Partly Cloudy37° / 60°NW 5 to 9 mph

Weather Highlights

Summer High: the July high is around 84 degrees
Winter Low: the January low is 19
Rain: averages 43 inches of rain a year
Snow: averages 32 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Union County area is 9 (10=best), which means it is more comfortable than most places in Pennsylvania.

9 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January35° 19°
February39° 20°
March48° 27°
April62° 38°
May72° 47°
June80° 57°
July84° 61°
August82° 60°
September75° 52°
October63° 40°
November51° 32°
December39° 23°
Hot, Freezing, Rainy, Snowy Days: Union
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January028115
February02694
March022102
April07120
May01130
June20120
July40110
August30100
September10100
October06100
November016101
December026103

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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