The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Greeley, CO vs Charleston, IL

2025 Compare Climate & Weather:
Greeley, CO vs Charleston, IL

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Highlights

On average, there are 202 sunny days per year in Charleston. Greeley averages 244 sunny days per year. The US average is 205 sunny days.

Charleston, Illinois gets 40.3 inches of rain, on average, per year. Greeley, Colorado gets 14.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Charleston averages 15.1 inches of snow per year. Greeley averages 39.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Charleston, Illinois
Summer High: the July high is around 86.2 degrees
Winter Low: the January low is 20.2
Rain: averages 40.3 inches of rain a year
Snow: averages 15.1 inches of snow a year

Greeley, Colorado
Summer High: the July high is around 90.2 degrees
Winter Low: the January low is 14.7
Rain: averages 14.8 inches of rain a year
Snow: averages 39.5 inches of snow a year

BestPlaces Comfort Index
Charleston

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

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

Greeley

The annual BestPlaces Comfort Index for Greeley is 7.2 (10=best), which means it is more comfortable than most places in Colorado.

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

Average Monthly High / Low (°F)
MonthGreeley, COCharleston, IL
January44° / 15°35° / 20°
February47° / 18°40° / 24°
March56° / 26°52° / 33°
April64° / 33°65° / 44°
May74° / 43°74° / 53°
June84° / 52°83° / 63°
July90° / 57°86° / 66°
August88° / 56°85° / 64°
September79° / 46°79° / 56°
October66° / 34°66° / 45°
November53° / 23°52° / 35°
December43° / 15°39° / 24°
Hot, Freezing, Rainy, Snowy Days: Greeley / Charleston
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 030 / 264 / 94 / 4
February0 / 027 / 225 / 84 / 2
March0 / 025 / 156 / 104 / 1
April0 / 012 / 38 / 112 / 0
May2 / 11 / 010 / 120 / 0
June8 / 40 / 09 / 100 / 0
July17 / 70 / 07 / 90 / 0
August13 / 60 / 08 / 80 / 0
September5 / 21 / 07 / 70 / 0
October0 / 011 / 36 / 91 / 0
November0 / 026 / 125 / 103 / 0
December0 / 031 / 234 / 104 / 3
July is the hottest month for Greeley with an average high temperature of 90.2°, which ranks it as warmer than most places in Colorado. In Greeley, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Greeley are September, May and June.

July is the hottest month for Charleston with an average high temperature of 86.2°, which ranks it as warmer than most places in Illinois. In Charleston, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Charleston are September, May and June.
December has the coldest nighttime temperatures for Greeley with an average of 14.5°. This is about average compared to other places in Colorado.

January has the coldest nighttime temperatures for Charleston with an average of 20.2°. This is warmer than most places in Illinois.

In Greeley, there are 44.6 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

In Charleston, there are 20.6 days annually when the high temperature is over 90°, which is about average compared to other places in Illinois.

In Greeley, there are 164.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Colorado.

In Charleston, there are 103.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Greeley, there are 8.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Colorado.

In Charleston, there are 3.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

May is the wettest month in Greeley with 2.4 inches of rain, and the driest month is February with 0.4 inches. The wettest season is Summer with 37% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 14.8 inches in Greeley means that it is drier than most places in Colorado.


May is the wettest month in Charleston with 4.4 inches of rain, and the driest month is February with 2.1 inches. The wettest season is Autumn with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 40.3 inches in Charleston means that it is wetter than most places in Illinois.

May is the rainiest month in Greeley with 10.1 days of rain, and January is the driest month with only 4.0 rainy days. There are 76.6 rainy days annually in Greeley, which is less rainy than most places in Colorado. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 16% chance of a rainy day.

May is the rainiest month in Charleston with 11.7 days of rain, and September is the driest month with only 7.0 rainy days. There are 111.3 rainy days annually in Charleston, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 39.5 inches in Greeley means that it is less snowy than most places in Colorado.

An annual snowfall of 15.1 inches in Charleston means that it is less snowy than most places in Illinois.
March is the snowiest month in Greeley with 8.5 inches of snow, and 9 months of the year have significant snowfall.

January is the snowiest month in Charleston with 6.2 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 Greeley    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 Greeley

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Reviews for Charleston    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 Charleston

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Zips In Greeley, Colorado
80631, 80634
Zips In CHARLESTON, ILLINOIS
No Zip Codes Here.
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