Zip 61531 (Farmington, IL) Climate

61531 Farmington, IL has a humid continental climate with hot summers and cold winters. The average low temperatures during the winter are around 21°F, while the average high temperatures in summer reach around 84°F. Rainfall amounts to around 42 inches per year, spread throughout the year, making it a fairly wet area. During winter months, snowfall averages up to 18 inches each season. The location has a mild spring and autumn season, making it an ideal place for outdoor activities during those months.

Farmington (zip 61531), Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Farmington (zip 61531) averages 21 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 192 sunny days per year in Farmington (zip 61531). The US average is 205 sunny days.

Farmington (zip 61531) gets some kind of precipitation, on average, 104 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 85 degrees
Winter Low: the January low is 15
Rain: averages 40 inches of rain a year
Snow: averages 21 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 61531 zip code is 7.1 (10=best), which means it is more comfortable than most places in Illinois.

8.6 Summer - 5 Winter

September, June and May are the most pleasant months in the 61531 zip code, while January and December are the least comfortable months.

Climate	Farmington, Illinois	United States
	Unlock	38.1 in.
	21.3 in.	Unlock
	Unlock	106.2 days
	192 days	Unlock
	84.9°	85.8°
	Unlock	21.7°
	7.1	Unlock
	Unlock	4.3
	742 ft.	Unlock

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 61531 zip code with an average high temperature of 84.9°, which ranks it as about average compared to other places in Illinois. In the 61531 zip code, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 61531 zip code are September, June and May.

In the 61531 zip code, there are 16.0 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

January has the coldest nighttime temperatures for the 61531 zip code with an average of 15.1°. This is colder than most places in Illinois.

In the 61531 zip code, there are 126.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In the 61531 zip code, there are 9.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

The humidity is usually comfortable in the 61531 zip code but some summer months can be unpleasant. July is the most humid month, though humidity is low for most of the year. The most humid months in the 61531 zip code are July, August and June.

May is the wettest month in the 61531 zip code with 5.0 inches of rain, and the driest month is January with 1.7 inches. The wettest season is Autumn with 33% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 40.3 inches in the 61531 zip code means that it is wetter than most places in Illinois.

May is the rainiest month in the 61531 zip code with 11.9 days of rain, and February is the driest month with only 6.6 rainy days. There are 104.1 rainy days annually in the 61531 zip code, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 21.3 inches in the 61531 zip code means that it is about average compared to other places in Illinois. January is the snowiest month in the 61531 zip code with 6.9 inches of snow, and 5 months of the year have significant snowfall.

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