Perry County, MO Climate

Perry, MO County has a humid subtropical climate with hot summers and mild winters. Average temperatures in summer months are usually in the mid-80s, while winter temperatures rarely dip below freezing. Precipitation is plentiful throughout the year with an average of 48 inches annually. The region experiences all four seasons and is generally warmer than other parts of the state. Snowfall is infrequent but can occur during winter months. During spring and summer months, thunderstorms are common as warm air moves from the Gulf Coast across the area, bringing plenty of moisture.

Perry County, Missouri gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Perry County averages 7 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 216 sunny days per year in Perry County. The US average is 205 sunny days.

Perry County gets some kind of precipitation, on average, 85 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 89 degrees
Winter Low: the January low is 22
Rain: averages 45 inches of rain a year
Snow: averages 7 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Perry County is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

7.3 Summer - 5.8 Winter

September, May and October are the most pleasant months in Perry County, while January and December are the least comfortable months.

Climate	Perry, Missouri	United States
	44.7 in.	38.1 in.
	7.2 in.	27.8 in.
	85.1 days	106.2 days
	216 days	205 days
	89.3°	85.8°
	22.4°	21.7°
	7.2	7
	4.1	4.3
	549 ft.	2443 ft.

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 Perry County with an average high temperature of 89.3°, which ranks it as warmer than most places in Missouri. In Perry County, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Perry County are May, September and June.

In Perry County, there are 39.3 days annually when the high temperature is over 90°, which is hotter than most places in Missouri.

January has the coldest nighttime temperatures for Perry County with an average of 22.4°. This is warmer than most places in Missouri.

In Perry County, there are 101.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.

In Perry County, there are 2.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Missouri.

The humidity can be uncomfortably heavy or close in Perry County during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in Perry County.

May is the wettest month in Perry County with 5.4 inches of rain, and the driest month is January with 2.7 inches. The wettest season is Summer with 30% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 44.7 inches in Perry County means that it is wetter than most places in Missouri.

May is the rainiest month in Perry County with 9.7 days of rain, and September is the driest month with only 5.7 rainy days. There are 85.1 rainy days annually in Perry County, which is one of the least rainy places in Missouri. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 22% chance of a rainy day.

An annual snowfall of 7.2 inches in Perry County means that it is one of the least snowy places in Missouri. February is the snowiest month in Perry County with 2.3 inches of snow, and 4 months of the year have significant snowfall.

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