Upper Merion, PA Weather


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The most pleasant months of the year for Upper Merion are September, May and June. In Upper Merion, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Upper Merion with an average high temperature of 87.2°, which ranks it as one of the hottest places in Pennsylvania. February is the snowiest month in Upper Merion with 7.6 inches of snow, and 4 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 - Upper Merion, PA

10 PM PST

Mostly Cloudy

51°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
OvernightMostly Cloudy48° / 81°SE 5 mph
Sunday NightPartly Cloudy61° / 88°W 5 to 10 mph
Monday NightPartly Cloudy61° / 83°S 5 mph
Tuesday NightChance Showers And Thunderstorms59° / 76°NE 5 to 10 mph
Wednesday NightSlight Chance Rain Showers then Partly Cloudy53° / 78°E 5 to 10 mph
Thursday NightPartly Cloudy55° / 78°S 10 mph
Friday NightChance Showers And Thunderstorms59° / 75°SW 10 to 15 mph

Weather Highlights

Summer High: the July high is around 87 degrees
Winter Low: the January low is 21
Rain: averages 47 inches of rain a year
Snow: averages 17 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Upper Merion area is 8.5 (10=best), which means it is more comfortable than most places in Pennsylvania.

8.5 / 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
January40° 21°
February43° 23°
March52° 30°
April65° 40°
May75° 50°
June83° 60°
July87° 64°
August85° 63°
September78° 54°
October67° 43°
November56° 34°
December44° 25°
Hot, Freezing, Rainy, Snowy Days: Upper Merion
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January027102
February02482
March018101
April06120
May10110
June50100
July10090
August7090
September2080
October0480
November01390
December024101

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.

Reviews for Upper Merion
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Over 16 years ago

Upper Merion is the perfect location for suburban recreation. King of Prussia owns the 2nd largest mall in the United States, Valley Forge National Park and is 10  More

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