Zip 61350 (Ottawa, IL) Climate

61350 Ottawa, IL has a humid continental climate with hot summers and cold winters. Winters are cold and snowy, with average temperatures ranging from 25°F to 35°F. Summers are hot and humid, with average temperatures ranging from 75°F to 85°F. Precipitation is abundant year-round, with an annual average of 37 inches. Snowfall averages around 40 inches per year, mostly falling in December through March. The area experiences four distinct seasons throughout the year, providing a pleasant variety in temperature and weather conditions for residents and visitors alike.

Ottawa (zip 61350), Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Ottawa (zip 61350) averages 21 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 191 sunny days per year in Ottawa (zip 61350). The US average is 205 sunny days.

Ottawa (zip 61350) gets some kind of precipitation, on average, 116 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 14
Rain: averages 37 inches of rain a year
Snow: averages 21 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 61350 zip code is 7.0 (10=best), which means it is about average compared to other places in Illinois.

8.9 Summer - 4.7 Winter

June, September and August are the most pleasant months in the 61350 zip code, while January and December are the least comfortable months.

Climate	Ottawa, Illinois	United States
	Unlock	38.1 in.
	21.1 in.	Unlock
	Unlock	106.2 days
	191 days	Unlock
	84.0°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	479 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 61350 zip code with an average high temperature of 84.0°, which ranks it as cooler than most places in Illinois. In the 61350 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 61350 zip code are September, June and August.

In the 61350 zip code, there are 13.0 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 61350 zip code with an average of 14.4°. This is colder than most places in Illinois.

In the 61350 zip code, there are 131.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In the 61350 zip code, there are 9.7 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 61350 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. The most humid months are July, August and June.

May is the wettest month in the 61350 zip code with 4.2 inches of rain, and the driest month is February with 1.6 inches. The wettest season is Autumn with 32% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 37.0 inches in the 61350 zip code means that it is drier than most places in Illinois.

May is the rainiest month in the 61350 zip code with 11.4 days of rain, and February is the driest month with only 8.0 rainy days. There are 116.3 rainy days annually in the 61350 zip code, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 24% chance of a rainy day.

An annual snowfall of 21.1 inches in the 61350 zip code means that it is about average compared to other places in Illinois. January is the snowiest month in the 61350 zip code with 7.5 inches of snow, and 5 months of the year have significant snowfall.

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