Zip 52501 (Ottumwa, IA) Climate

The climate in Ottumwa, IA (zip code 52501) is typically temperate with hot summers and cold winters. The average summer temperature ranges from the mid-70s to the mid-80s while winters generally range from the low 20s to the high 30s. During the winter months, snowfall can be expected with an average of 21 inches per year. Spring and fall offer a mild transition between hot summers and cold winters, making them ideal times to visit for mild weather.

Ottumwa (zip 52501), Iowa gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Ottumwa (zip 52501) averages 25 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 198 sunny days per year in Ottumwa (zip 52501). The US average is 205 sunny days.

Ottumwa (zip 52501) gets some kind of precipitation, on average, 107 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 14
Rain: averages 39 inches of rain a year
Snow: averages 25 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 52501 zip code is 7.0 (10=best), which means it is more comfortable than most places in Iowa.

8.6 Summer - 4.9 Winter

June, September and May are the most pleasant months in the 52501 zip code, while January and December are the least comfortable months.

Climate	Ottumwa, Iowa	United States
	Unlock	38.1 in.
	24.8 in.	Unlock
	Unlock	106.2 days
	198 days	Unlock
	85.2°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	636 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 52501 zip code with an average high temperature of 85.2°, which ranks it as warmer than most places in Iowa. In the 52501 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 52501 zip code are September, June and August.

In the 52501 zip code, there are 15.8 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

January has the coldest nighttime temperatures for the 52501 zip code with an average of 13.6°. This is warmer than most places in Iowa.

In the 52501 zip code, there are 132.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Iowa.

In the 52501 zip code, there are 12.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

The humidity is usually comfortable in the 52501 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 52501 zip code are July, August and June.

June is the wettest month in the 52501 zip code with 5.0 inches of rain, and the driest month is February with 1.3 inches. The wettest season is Autumn with 37% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 38.7 inches in the 52501 zip code means that it is one of the wettest places in Iowa.

May is the rainiest month in the 52501 zip code with 12.2 days of rain, and January is the driest month with only 6.0 rainy days. There are 106.7 rainy days annually in the 52501 zip code, which is rainier than most places in Iowa. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 19% chance of a rainy day.

An annual snowfall of 24.8 inches in the 52501 zip code means that it is less snowy than most places in Iowa. December is the snowiest month in the 52501 zip code with 6.3 inches of snow, and 6 months of the year have significant snowfall.

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