2025 Compare Climate & Weather:
Windsor, CO vs Knoxville, IA

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Highlights

On average, there are 204 sunny days per year in Knoxville. Windsor averages 240 sunny days per year. The US average is 205 sunny days.

Knoxville, Iowa gets 36.6 inches of rain, on average, per year. Windsor, Colorado gets 15.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Knoxville averages 27.9 inches of snow per year. Windsor averages 43.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Knoxville, Iowa
Summer High: the July high is around 84.8 degrees
Winter Low: the January low is 12.4
Rain: averages 36.6 inches of rain a year
Snow: averages 27.9 inches of snow a year

Windsor, Colorado
Summer High: the July high is around 89.2 degrees
Winter Low: the January low is 14.9
Rain: averages 15.2 inches of rain a year
Snow: averages 43.6 inches of snow a year

BestPlaces Comfort Index

Knoxville

The annual BestPlaces Comfort Index for Knoxville is 7.0 (10=best), which means it is more comfortable than most places in Iowa.

7 / 10

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

Windsor

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

7.2 / 10

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

Average Monthly High / Low (°F)

Month	Windsor, CO	Knoxville, IA
January	44° / 15°	31° / 12°
February	47° / 18°	36° / 17°
March	56° / 26°	48° / 27°
April	64° / 33°	62° / 39°
May	73° / 43°	71° / 51°
June	83° / 51°	80° / 60°
July	89° / 57°	85° / 65°
August	87° / 55°	83° / 63°
September	78° / 46°	76° / 53°
October	66° / 34°	63° / 41°
November	52° / 23°	48° / 29°
December	43° / 15°	34° / 17°

Hot, Freezing, Rainy, Snowy Days: Windsor / Knoxville

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	31 / 30	5 / 5	4 / 4
February	0 / 0	27 / 26	5 / 6	4 / 3
March	0 / 0	25 / 22	7 / 7	4 / 2
April	0 / 0	13 / 7	9 / 9	3 / 0
May	2 / 0	1 / 1	11 / 11	0 / 0
June	7 / 1	0 / 0	10 / 10	0 / 0
July	15 / 6	0 / 0	8 / 9	0 / 0
August	11 / 4	0 / 0	8 / 8	0 / 0
September	3 / 1	1 / 0	7 / 8	0 / 0
October	0 / 0	11 / 5	6 / 8	1 / 0
November	0 / 0	26 / 18	5 / 7	3 / 1
December	0 / 0	31 / 29	4 / 6	4 / 4

July is the hottest month for Windsor with an average high temperature of 89.2°, which ranks it as warmer than most places in Colorado. In Windsor, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Windsor are September, June and May.

July is the hottest month for Knoxville with an average high temperature of 84.8°, which ranks it as warmer than most places in Iowa. In Knoxville, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Knoxville are September, June and August.

December has the coldest nighttime temperatures for Windsor with an average of 14.6°. This is about average compared to other places in Colorado.

January has the coldest nighttime temperatures for Knoxville with an average of 12.4°. This is warmer than most places in Iowa.

In Windsor, there are 38.2 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

In Knoxville, there are 13.4 days annually when the high temperature is over 90°, which is about average compared to other places in Iowa.

In Windsor, there are 165.0 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Colorado.

In Knoxville, there are 136.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Windsor, there are 7.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Colorado.

In Knoxville, there are 13.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

May is the wettest month in Windsor with 2.4 inches of rain, and the driest month is February with 0.4 inches. The wettest season is Summer with 39% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 15.2 inches in Windsor means that it is drier than most places in Colorado.

June is the wettest month in Knoxville with 4.8 inches of rain, and the driest month is January with 1.0 inches. The wettest season is Autumn with 39% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 36.6 inches in Knoxville means that it is wetter than most places in Iowa.

May is the rainiest month in Windsor with 10.8 days of rain, and December is the driest month with only 4.4 rainy days. There are 85.0 rainy days annually in Windsor, which is rainier 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 17% chance of a rainy day.

May is the rainiest month in Knoxville with 11.2 days of rain, and January is the driest month with only 5.0 rainy days. There are 93.1 rainy days annually in Knoxville, which is less rainy than most places in Iowa. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 43.6 inches in Windsor means that it is less snowy than most places in Colorado.

An annual snowfall of 27.9 inches in Knoxville means that it is less snowy than most places in Iowa.

March is the snowiest month in Windsor with 9.6 inches of snow, and 9 months of the year have significant snowfall.

December is the snowiest month in Knoxville with 7.9 inches of snow, and 6 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 Windsor 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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Reviews for Knoxville 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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2025 Compare Climate & Weather:
Windsor, CO vs Knoxville, IA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Windsor / Knoxville

December has the coldest nighttime temperatures for Windsor with an average of 14.6°. This is about average compared to other places in Colorado.

January has the coldest nighttime temperatures for Knoxville with an average of 12.4°. This is warmer than most places in Iowa.

In Windsor, there are 38.2 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

In Knoxville, there are 13.4 days annually when the high temperature is over 90°, which is about average compared to other places in Iowa.

In Windsor, there are 7.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Colorado.

In Knoxville, there are 13.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

An annual snowfall of 43.6 inches in Windsor means that it is less snowy than most places in Colorado.

An annual snowfall of 27.9 inches in Knoxville means that it is less snowy than most places in Iowa.

March is the snowiest month in Windsor with 9.6 inches of snow, and 9 months of the year have significant snowfall.

December is the snowiest month in Knoxville with 7.9 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

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Reviews for Knoxville 2 Reviews

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2025 Compare Climate & Weather:Windsor, CO vs Knoxville, IA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Windsor / Knoxville

December has the coldest nighttime temperatures for Windsor with an average of 14.6°. This is about average compared to other places in Colorado.January has the coldest nighttime temperatures for Knoxville with an average of 12.4°. This is warmer than most places in Iowa.

In Windsor, there are 38.2 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.In Knoxville, there are 13.4 days annually when the high temperature is over 90°, which is about average compared to other places in Iowa.

In Windsor, there are 7.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Colorado.In Knoxville, there are 13.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

An annual snowfall of 43.6 inches in Windsor means that it is less snowy than most places in Colorado.An annual snowfall of 27.9 inches in Knoxville means that it is less snowy than most places in Iowa.

March is the snowiest month in Windsor with 9.6 inches of snow, and 9 months of the year have significant snowfall.December is the snowiest month in Knoxville with 7.9 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Windsor 2 Reviews

Reviews for Knoxville 2 Reviews

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Zips In Windsor, Colorado

Zips In KNOXVILLE, IOWA

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2025 Compare Climate & Weather:
Windsor, CO vs Knoxville, IA

December has the coldest nighttime temperatures for Windsor with an average of 14.6°. This is about average compared to other places in Colorado.

January has the coldest nighttime temperatures for Knoxville with an average of 12.4°. This is warmer than most places in Iowa.

In Windsor, there are 38.2 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

In Knoxville, there are 13.4 days annually when the high temperature is over 90°, which is about average compared to other places in Iowa.

In Windsor, there are 7.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Colorado.

In Knoxville, there are 13.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

An annual snowfall of 43.6 inches in Windsor means that it is less snowy than most places in Colorado.

An annual snowfall of 27.9 inches in Knoxville means that it is less snowy than most places in Iowa.

March is the snowiest month in Windsor with 9.6 inches of snow, and 9 months of the year have significant snowfall.

December is the snowiest month in Knoxville with 7.9 inches of snow, and 6 months of the year have significant snowfall.