Zip 61770 (Saybrook, IL) Climate

Saybrook, IL has a humid continental climate with hot summers and cold winters. Temperatures in the summer months average around 85°F and there is an average of 38 inches of precipitation throughout the year. Winters are typically cold with temperatures averaging around 20°F. Snowfall is common throughout winter but usually melts soon after it falls due to the warm temperatures during the day. The area experiences all four seasons and can be quite pleasant if you enjoy cooler weather in the fall and spring months.

Saybrook (zip 61770), Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Saybrook (zip 61770) averages 19 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 194 sunny days per year in Saybrook (zip 61770). The US average is 205 sunny days.

Saybrook (zip 61770) 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 84 degrees
Winter Low: the January low is 16
Rain: averages 39 inches of rain a year
Snow: averages 19 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 61770 zip code is 7.0 (10=best), which means it is about average compared to other places in Illinois.

8.7 Summer - 4.9 Winter

September, June and May are the most pleasant months in the 61770 zip code, while January and December are the least comfortable months.

Climate	Saybrook, Illinois	United States
	Unlock	38.1 in.
	18.6 in.	Unlock
	Unlock	106.2 days
	194 days	Unlock
	84.1°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	797 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 61770 zip code with an average high temperature of 84.1°, which ranks it as cooler than most places in Illinois. In the 61770 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 61770 zip code are September, June and August.

In the 61770 zip code, there are 12.4 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 61770 zip code with an average of 16.1°. This is about average compared to other places in Illinois.

In the 61770 zip code, there are 126.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In the 61770 zip code, there are 7.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.

The humidity is usually acceptable in the 61770 zip code but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most uncomfortably humid months in the 61770 zip code.

May is the wettest month in the 61770 zip code with 4.3 inches of rain, and the driest month is February with 1.9 inches. The wettest season is Autumn with 32% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 38.6 inches in the 61770 zip code means that it is about average compared to other places in Illinois.

May is the rainiest month in the 61770 zip code with 10.6 days of rain, and September is the driest month with only 6.8 rainy days. There are 104.0 rainy days annually in the 61770 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 23% chance of a rainy day.

An annual snowfall of 18.6 inches in the 61770 zip code means that it is about average compared to other places in Illinois. December is the snowiest month in the 61770 zip code with 6.0 inches of snow, and 5 months of the year have significant snowfall.

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