Shelby County, AL Climate

Shelby, AL County has a humid subtropical climate, with hot and humid summers and mild winters. The average high temperature in July is around 89 degrees Fahrenheit and the average low temperature in January is around 37 degrees Fahrenheit. On average, the county sees about 57 inches of rain annually, which is distributed relatively evenly throughout the year. During the summer months, the county experiences frequent thunderstorms that help to keep temperatures cool. In the winter months, light snowfall occasionally occurs but does not cause much disruption. Overall, Shelby County enjoys mild seasons with warm summers and mild winters.

Shelby County, Alabama gets 55 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Shelby County averages 1 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 210 sunny days per year in Shelby County. The US average is 205 sunny days.

Shelby County gets some kind of precipitation, on average, 112 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 91 degrees
Winter Low: the January low is 33
Rain: averages 55 inches of rain a year
Snow: averages 1 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Shelby County is 7.3 (10=best), which means it is about average compared to other places in Alabama.

5.6 Summer - 7 Winter

May, October and April are the most pleasant months in Shelby County, while July and August are the least comfortable months.

Climate	Shelby, Alabama	United States
	55.4 in.	38.1 in.
	0.8 in.	27.8 in.
	111.8 days	106.2 days
	210 days	205 days
	90.7°	85.8°
	33.0°	21.7°
	7.3	7
	5	4.3
	573 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 Shelby County with an average high temperature of 90.7°, which ranks it as warmer than most places in Alabama. In Shelby County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Shelby County are October, April and May.

In Shelby County, there are 53.0 days annually when the high temperature is over 90°, which is about average compared to other places in Alabama.

January has the coldest nighttime temperatures for Shelby County with an average of 33.0°. This is about average compared to other places in Alabama.

In Shelby County, there are 48.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Alabama.

In Shelby County, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Alabama.

Humidity in Shelby County can be uncomfortable during the summer, but comfortable for most of the year. The most uncomfortably humid months are July, August and June. The humid season runs from June-September and the most comfortable months are October-May.

February is the wettest month in Shelby County with 5.4 inches of rain, and the driest month is October with 3.4 inches. The wettest season is Spring with 28% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 55.4 inches in Shelby County means that it is about average compared to other places in Alabama.

July is the rainiest month in Shelby County with 11.1 days of rain, and October is the driest month with only 7.3 rainy days. There are 111.8 rainy days annually in Shelby County, which is rainier than most places in Alabama. The rainiest season is Autumn when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 0.8 inches in Shelby County means that it is snowier than most places in Alabama. March is the snowiest month in Shelby County with 0.4 inches of snow, and no months of the year have significant snowfall.

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