Climate in Mechanicsburg, PA

Mechanicsburg, PA has a humid continental climate with cold winters and warm summers. The average annual temperature is around 48°F (9°C). Precipitation is fairly consistent throughout the year, with the wettest months being June through August. Snowfall typically occurs from late November to early March. Spring and fall can bring strong storms, with occasional tornadoes. In April and May, there are frequent thunderstorms that sometimes bring hail or even flooding. Summers in Mechanicsburg are hot and humid, with temperatures in July usually reaching well into the 80s (30s Celsius).

Mechanicsburg, Pennsylvania gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Mechanicsburg averages 26 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 195 sunny days per year in Mechanicsburg. The US average is 205 sunny days.

Mechanicsburg gets some kind of precipitation, on average, 123 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

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Weather Highlights

Summer High: the July high is around 85 degrees
Winter Low: the January low is 22
Rain: averages 43 inches of rain a year
Snow: averages 26 inches of snow a year

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BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Mechanicsburg is 7.1 (10=best), which means it is more comfortable than most places in Pennsylvania.

June, September and August are the most pleasant months in Mechanicsburg, while January and February are the least comfortable months.

July is the hottest month for Mechanicsburg with an average high temperature of 85.4°, which ranks it as warmer than most places in Pennsylvania. In Mechanicsburg, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mechanicsburg are September, June and August.

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In Mechanicsburg, there are 12.9 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

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January has the coldest nighttime temperatures for Mechanicsburg with an average of 21.8°. This is one of the warmest places in Pennsylvania.

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In Mechanicsburg, there are 111.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

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In Mechanicsburg, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

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The humidity is usually comfortable in Mechanicsburg but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.

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September is the wettest month in Mechanicsburg with 4.2 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 42.7 inches in Mechanicsburg means that it is about average compared to other places in Pennsylvania.

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May is the rainiest month in Mechanicsburg with 12.6 days of rain, and September is the driest month with only 9.0 rainy days. There are 122.8 rainy days annually in Mechanicsburg, which is less rainy than most places in Pennsylvania. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

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An annual snowfall of 25.8 inches in Mechanicsburg means that it is less snowy than most places in Pennsylvania. February is the snowiest month in Mechanicsburg with 8.3 inches of snow, and 6 months of the year have significant snowfall.

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