Zip 62946 (Harrisburg, IL) Climate

Harrisburg, IL 62946 experiences a humid subtropical climate with cold winters and hot summers. The average high during the summer months of July and August is around 87°F, while the average low during the winter months of December and January is around 24°F. Precipitation occurs year round, with an annual average of 43 inches, mostly in the form of rain. Snowfall can range from trace amounts to a few inches each year.

Harrisburg (zip 62946), Illinois gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Harrisburg (zip 62946) averages 8 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 200 sunny days per year in Harrisburg (zip 62946). The US average is 205 sunny days.

Harrisburg (zip 62946) gets some kind of precipitation, on average, 102 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.

Weather Highlights

Summer High: the July high is around 88 degrees
Winter Low: the January low is 22
Rain: averages 49 inches of rain a year
Snow: averages 8 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 62946 zip code is 7.3 (10=best), which means it is one of the most pleasant places in Illinois.

7.7 Summer - 5.7 Winter

September, May and June are the most pleasant months in the 62946 zip code, while January and December are the least comfortable months.

Climate	Harrisburg, Illinois	United States
	Unlock	38.1 in.
	8.2 in.	Unlock
	Unlock	106.2 days
	200 days	Unlock
	87.5°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	398 ft.	Unlock

Climate

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.

July is the hottest month for the 62946 zip code with an average high temperature of 87.5°, which ranks it as warmer than most places in Illinois. In the 62946 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 62946 zip code are May, September and June.

In the 62946 zip code, there are 29.7 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.

January has the coldest nighttime temperatures for the 62946 zip code with an average of 22.4°. This is one of the warmest places in Illinois.

In the 62946 zip code, there are 101.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In the 62946 zip code, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

The humidity can be uncomfortably heavy or close in the 62946 zip code during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in the 62946 zip code.

May is the wettest month in the 62946 zip code with 5.5 inches of rain, and the driest month is August with 3.1 inches. The wettest season is Summer with 30% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 48.5 inches in the 62946 zip code means that it is one of the wettest places in Illinois.

April is the rainiest month in the 62946 zip code with 10.6 days of rain, and August is the driest month with only 6.5 rainy days. There are 102.2 rainy days annually in the 62946 zip code, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 31% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 8.2 inches in the 62946 zip code means that it is one of the least snowy places in Illinois. February is the snowiest month in the 62946 zip code with 3.0 inches of snow, and 4 months of the year have significant snowfall.

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