Zip 62621 (Bluffs, IL) Climate

The climate in 62621 Bluffs, IL is typically mild and humid. Summers are hot and humid with temperatures reaching up to the high 80s while winters are usually cold and snowy with temperatures dipping into the low 20s. Rainfall is relatively moderate throughout the year, with a total average of 36 inches per year. The climate in 62621 Bluffs, IL is generally pleasant and conducive to outdoor activities.

Bluffs (zip 62621), Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Bluffs (zip 62621) averages 19 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 199 sunny days per year in Bluffs (zip 62621). The US average is 205 sunny days.

Bluffs (zip 62621) gets some kind of precipitation, on average, 108 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 87 degrees
Winter Low: the January low is 18
Rain: averages 40 inches of rain a year
Snow: averages 19 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 62621 zip code is 7.1 (10=best), which means it is more comfortable than most places in Illinois.

8.2 Summer - 5.2 Winter

September, June and May are the most pleasant months in the 62621 zip code, while January and December are the least comfortable months.

Climate	Bluffs, Illinois	United States
	39.7 in.	38.1 in.
	18.9 in.	27.8 in.
	107.7 days	106.2 days
	199 days	205 days
	86.8°	85.8°
	17.8°	21.7°
	7.1	7
	3.8	4.3
	499 ft.	2443 ft.

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 62621 zip code with an average high temperature of 86.8°, which ranks it as warmer than most places in Illinois. In the 62621 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 62621 zip code are September, May and June.

In the 62621 zip code, there are 24.0 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 62621 zip code with an average of 17.8°. This is about average compared to other places in Illinois.

In the 62621 zip code, there are 119.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Illinois.

In the 62621 zip code, there are 4.7 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 62621 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 62621 zip code.

June is the wettest month in the 62621 zip code with 4.5 inches of rain, and the driest month is February with 1.9 inches. The wettest season is Autumn with 30% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 39.7 inches in the 62621 zip code means that it is wetter than most places in Illinois.

May is the rainiest month in the 62621 zip code with 11.7 days of rain, and February is the driest month with only 7.1 rainy days. There are 107.7 rainy days annually in the 62621 zip code, which is about average compared to other places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 18.9 inches in the 62621 zip code means that it is about average compared to other places in Illinois. December is the snowiest month in the 62621 zip code with 5.5 inches of snow, and 5 months of the year have significant snowfall.

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