2024 Compare Climate & Weather:
Chicago, IL vs Chester, PA
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Highlights
On average, there are 206 sunny days per year in Chester. Chicago averages 189 sunny days per year. The US average is 205 sunny days.
Chester, Pennsylvania gets 42.9 inches of rain, on average, per year. Chicago, Illinois gets 38.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.
Chester averages 14.8 inches of snow per year. Chicago averages 35.1 inches of snow per year. The US average is 27.8 inches of snow per year.
Weather Highlights
Chester, Pennsylvania
Summer High: the July high is around 87.4 degrees
Winter Low: the January low is 26.7
Rain: averages 42.9 inches of rain a year
Snow: averages 14.8 inches of snow a year
Chicago, Illinois
Summer High: the July high is around 83.9 degrees
Winter Low: the January low is 19.2
Rain: averages 38.2 inches of rain a year
Snow: averages 35.1 inches of snow a year
BESTPLACES COMFORT INDEX
ChesterThe annual BestPlaces Comfort Index for Chester is 7.3 (10=best), which means it is one of the most pleasant places in Pennsylvania.
7.3 / 10
September, June and May are the most pleasant months in Chester, while January and February are the least comfortable months.
ChicagoThe annual BestPlaces Comfort Index for Chicago is 7.0 (10=best), which means it is about average compared to other places in Illinois.
7 / 10
September, June and August are the most pleasant months in Chicago, while January and December are the least comfortable months.
Today's Weather - Chicago, IL
6 AM PST
Showers And Thunderstorms Likely
57°F
DAY | DESCRIPTION | HIGH / LOW | WIND |
---|
Today | Showers And Thunderstorms Likely | 75° / 56° | S 10 to 15 mph |
Wednesday | Mostly Sunny then Chance Showers And Thunderstorms | 75° / 52° | S 5 to 10 mph |
Thursday | Showers And Thunderstorms Likely | 55° / 46° | N 10 to 20 mph |
Friday | Mostly Sunny | 62° / 50° | NNE 10 to 15 mph |
Saturday | Showers And Thunderstorms Likely | 64° / 48° | WNW 10 to 15 mph |
Sunday | Mostly Sunny then Slight Chance Rain Showers | 68° / 53° | W 10 mph |
Monday | Mostly Sunny then Slight Chance Rain Showers | 74° / 55° | SW 10 to 15 mph |
Today's Weather - Chester, PA
6 AM PST
Mostly Sunny then Slight Chance Rain Showers
64°F
DAY | DESCRIPTION | HIGH / LOW | WIND |
---|
Today | Mostly Sunny then Slight Chance Rain Showers | 79° / 62° | E 5 mph |
Wednesday | Patchy Fog then Slight Chance Showers And Thunderstorms | 85° / 62° | SW 5 to 10 mph |
Thursday | Showers And Thunderstorms | 74° / 56° | E 0 to 10 mph |
Friday | Chance Showers And Thunderstorms | 67° / 51° | NW 10 to 15 mph |
Saturday | Slight Chance Rain Showers | 67° / 51° | W 10 mph |
Sunday | Chance Rain Showers | 68° / 50° | SW 10 to 15 mph |
Monday | Mostly Sunny then Slight Chance Rain Showers | 72° / 54° | W 10 mph |
Average Monthly High / Low (°F)
Month | Chicago, IL | Chester, PA |
---|
January | 32° / 19° | 40° / 27° |
February | 37° / 23° | 44° / 29° |
March | 47° / 31° | 53° / 35° |
April | 58° / 41° | 64° / 45° |
May | 69° / 51° | 74° / 55° |
June | 79° / 61° | 83° / 65° |
July | 84° / 68° | 87° / 70° |
August | 82° / 67° | 86° / 69° |
September | 75° / 59° | 78° / 61° |
October | 63° / 47° | 66° / 50° |
November | 49° / 36° | 56° / 41° |
December | 36° / 24° | 45° / 31° |
Hot, Freezing, Rainy, Snowy Days: Chicago / Chester
Month | Hot Days | Freezing Days | Rainy Days | Snowy Days |
---|
January | 0 / 0 | 27 / 21 | 10 / 10 | 7 / 3 |
February | 0 / 0 | 23 / 19 | 8 / 9 | 5 / 2 |
March | 0 / 0 | 17 / 10 | 11 / 10 | 4 / 1 |
April | 0 / 0 | 3 / 1 | 11 / 11 | 1 / 0 |
May | 1 / 2 | 0 / 0 | 12 / 11 | 0 / 0 |
June | 3 / 6 | 0 / 0 | 10 / 10 | 0 / 0 |
July | 6 / 11 | 0 / 0 | 10 / 9 | 0 / 0 |
August | 4 / 7 | 0 / 0 | 10 / 8 | 0 / 0 |
September | 1 / 1 | 0 / 0 | 9 / 8 | 0 / 0 |
October | 0 / 0 | 1 / 0 | 10 / 8 | 0 / 0 |
November | 0 / 0 | 10 / 4 | 11 / 9 | 2 / 0 |
December | 0 / 0 | 24 / 16 | 11 / 10 | 6 / 1 |
July is the hottest month for Chicago with an average high temperature of 83.9°, which ranks it as cooler than most places in Illinois. In Chicago, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chicago are June, September and August.
July is the hottest month for Chester with an average high temperature of 87.4°, which ranks it as one of the hottest places in Pennsylvania. In Chester, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chester are September, May and June.
January has the coldest nighttime temperatures for Chicago with an average of 19.2°. This is warmer than most places in Illinois.
January has the coldest nighttime temperatures for Chester with an average of 26.7°. This is one of the warmest places in Pennsylvania.
In Chicago, there are 13.6 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.
In Chester, there are 26.4 days annually when the high temperature is over 90°, which is one of the hottest places in Pennsylvania.
In Chicago, there are 103.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.
In Chester, there are 71.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Pennsylvania.
In Chicago, there are 4.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.
In Chester, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.
August is the wettest month in Chicago with 4.2 inches of rain, and the driest month is January with 2.0 inches. The wettest season is Autumn with 31% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 38.2 inches in Chicago means that it is drier than most places in Illinois.
July is the wettest month in Chester with 4.5 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Autumn with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 42.9 inches in Chester means that it is about average compared to other places in Pennsylvania.
May is the rainiest month in Chicago with 11.5 days of rain, and February is the driest month with only 8.4 rainy days. There are 124.8 rainy days annually in Chicago, which is one of the rainiest places in Illinois. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.
April is the rainiest month in Chester with 10.9 days of rain, and October is the driest month with only 8.1 rainy days. There are 112.3 rainy days annually in Chester, which is one of the least rainy 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.
An annual snowfall of 35.1 inches in Chicago means that it is one of the snowiest places in Illinois.
An annual snowfall of 14.8 inches in Chester means that it is one of the least snowy places in Pennsylvania.
January is the snowiest month in Chicago with 11.0 inches of snow, and 6 months of the year have significant snowfall.
February is the snowiest month in Chester with 5.4 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 Chicago 2 Reviews
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
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
Start Your Review of Chicago
Reviews for Chester 2 Reviews
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
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
Start Your Review of Chester
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