2025 Compare Climate & Weather:
Harrisburg, IL vs Pinckneyville, IL

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Highlights

On average, there are 213 sunny days per year in Pinckneyville. Harrisburg averages 197 sunny days per year. The US average is 205 sunny days.

Pinckneyville, Illinois gets 45.4 inches of rain, on average, per year. Harrisburg, Illinois gets 48.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Pinckneyville averages 9.6 inches of snow per year. Harrisburg averages 8.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Pinckneyville, Illinois
Summer High: the July high is around 87.9 degrees
Winter Low: the January low is 23.4
Rain: averages 45.4 inches of rain a year
Snow: averages 9.6 inches of snow a year

Harrisburg, Illinois
Summer High: the July high is around 87.5 degrees
Winter Low: the January low is 22.4
Rain: averages 48.5 inches of rain a year
Snow: averages 8.2 inches of snow a year

BestPlaces Comfort Index
Pinckneyville

The annual BestPlaces Comfort Index for Pinckneyville is 7.2 (10=best), which means it is one of the most pleasant places in Illinois.

7.2 / 10
September, May and October are the most pleasant months in Pinckneyville, while January and December are the least comfortable months.

Harrisburg

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

7.3 / 10
September, May and June are the most pleasant months in Harrisburg, while January and December are the least comfortable months.

Today's Weather - Harrisburg, IL

1 PM PST

Chance Showers And Thunderstorms

71°F

DAYDESCRIPTIONHIGH / LOWWIND
This AfternoonChance Showers And Thunderstorms71° / 58°E 7 mph
ThursdayShowers And Thunderstorms70° / 53°NE 2 to 7 mph
FridayMostly Sunny69° / 47°NNE 10 mph
SaturdayMostly Sunny70° / 51°NE 8 mph
SundayPartly Sunny then Slight Chance Showers And Thunderstorms74° / 59°ENE 7 mph
MondayShowers And Thunderstorms Likely74° / 59°ESE 6 mph
TuesdayChance Rain Showers then Chance Showers And Thunderstorms78° / 61°S 6 mph
Today's Weather - Pinckneyville, IL

1 PM PST

Chance Showers And Thunderstorms

70°F

DAYDESCRIPTIONHIGH / LOWWIND
This AfternoonChance Showers And Thunderstorms70° / 58°E 8 mph
ThursdayShowers And Thunderstorms70° / 52°NE 3 to 8 mph
FridaySlight Chance Rain Showers then Mostly Sunny69° / 46°NNE 10 mph
SaturdayMostly Sunny71° / 51°NE 5 to 8 mph
SundayMostly Sunny then Slight Chance Showers And Thunderstorms74° / 59°ENE 7 mph
MondayShowers And Thunderstorms Likely74° / 60°ESE 3 to 7 mph
TuesdayChance Rain Showers78° / 62°S 6 mph
Average Monthly High / Low (°F)
MonthHarrisburg, ILPinckneyville, IL
January41° / 22°40° / 23°
February46° / 26°45° / 27°
March57° / 34°56° / 36°
April68° / 44°67° / 46°
May76° / 54°76° / 56°
June84° / 63°85° / 64°
July88° / 66°88° / 68°
August87° / 64°87° / 65°
September81° / 56°80° / 57°
October70° / 44°69° / 46°
November57° / 36°56° / 36°
December44° / 26°43° / 27°
Hot, Freezing, Rainy, Snowy Days: Harrisburg / Pinckneyville
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 025 / 258 / 81 / 2
February0 / 021 / 208 / 71 / 2
March0 / 014 / 1210 / 100 / 1
April0 / 04 / 211 / 110 / 0
May0 / 10 / 010 / 110 / 0
June5 / 60 / 09 / 90 / 0
July11 / 110 / 08 / 80 / 0
August10 / 90 / 07 / 70 / 0
September3 / 30 / 07 / 60 / 0
October0 / 04 / 27 / 80 / 0
November0 / 012 / 119 / 80 / 0
December0 / 023 / 229 / 81 / 1
July is the hottest month for Harrisburg with an average high temperature of 87.5°, which ranks it as warmer than most places in Illinois. In Harrisburg, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Harrisburg are May, September and June.

July is the hottest month for Pinckneyville with an average high temperature of 87.9°, which ranks it as warmer than most places in Illinois. In Pinckneyville, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pinckneyville are May, September and June.
January has the coldest nighttime temperatures for Harrisburg with an average of 22.4°. This is one of the warmest places in Illinois.

January has the coldest nighttime temperatures for Pinckneyville with an average of 23.4°. This is one of the warmest places in Illinois.

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

In Pinckneyville, there are 29.4 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.

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

In Pinckneyville, there are 93.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Illinois.

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

In Pinckneyville, there are 1.8 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Illinois.

May is the wettest month in Harrisburg 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 Harrisburg means that it is one of the wettest places in Illinois.


May is the wettest month in Pinckneyville with 5.6 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Summer with 30% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 45.4 inches in Pinckneyville means that it is one of the wettest places in Illinois.

April is the rainiest month in Harrisburg 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 Harrisburg, 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.

May is the rainiest month in Pinckneyville with 11.1 days of rain, and September is the driest month with only 6.3 rainy days. There are 99.8 rainy days annually in Pinckneyville, 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 22% chance of a rainy day.

An annual snowfall of 8.2 inches in Harrisburg means that it is one of the least snowy places in Illinois.

An annual snowfall of 9.6 inches in Pinckneyville means that it is one of the least snowy places in Illinois.
February is the snowiest month in Harrisburg with 3.0 inches of snow, and 4 months of the year have significant snowfall.

January is the snowiest month in Pinckneyville with 2.9 inches of snow, and 4 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Harrisburg    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Harrisburg

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Reviews for Pinckneyville    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

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Zips In Harrisburg, Illinois
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Zips In PINCKNEYVILLE, ILLINOIS
62274
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