Winneshiek County, IA Climate

Winneshiek County, IA has a humid continental climate characterized by warm summers and cold winters. The average annual temperature is 48°F (9°C), with January being the coldest month and July being the warmest. Winneshiek County generally experiences moderate amounts of precipitation throughout the year, with snowfall occurring between November and April. During the summer months, temperatures regularly reach into the 80s (27°C). Winneshiek County receives an average of 32 inches (81 cm) of rain annually.

Winneshiek County, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Winneshiek County averages 38 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 189 sunny days per year in Winneshiek County. The US average is 205 sunny days.

Winneshiek County gets some kind of precipitation, on average, 103 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 82 degrees
Winter Low: the January low is 7
Rain: averages 36 inches of rain a year
Snow: averages 38 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Winneshiek County is 6.7 (10=best), which means it is less comfortable than most places in Iowa.

9 Summer - 4.1 Winter

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

Climate	Winneshiek, Iowa	United States
	Unlock	38.1 in.
	37.9 in.	Unlock
	Unlock	106.2 days
	189 days	Unlock
	82.4°	85.8°
	Unlock	21.7°
	6.7	Unlock
	Unlock	4.3
	1141 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 Winneshiek County with an average high temperature of 82.4°, which ranks it as one of the coolest places in Iowa. In Winneshiek County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Winneshiek County are June, August and September.

In Winneshiek County, there are 7.7 days annually when the high temperature is over 90°, which is one of the coolest places in Iowa.

January has the coldest nighttime temperatures for Winneshiek County with an average of 7.4°. This is colder than most places in Iowa.

In Winneshiek County, there are 155.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Iowa.

In Winneshiek County, there are 24.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Iowa.

The humidity is usually comfortable in Winneshiek County 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.

June is the wettest month in Winneshiek County with 5.1 inches of rain, and the driest month is January with 1.0 inches. The wettest season is Autumn with 40% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 35.6 inches in Winneshiek County means that it is about average compared to other places in Iowa.

May is the rainiest month in Winneshiek County with 11.7 days of rain, and February is the driest month with only 5.5 rainy days. There are 102.6 rainy days annually in Winneshiek County, which is rainier than most places in Iowa. The rainiest season is Autumn when it rains 29% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 37.9 inches in Winneshiek County means that it is one of the snowiest places in Iowa. December is the snowiest month in Winneshiek County with 10.0 inches of snow, and 6 months of the year have significant snowfall.

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