Union County, MS Climate

Union, MS County has a humid subtropical climate with mild winters and hot, humid summers. Average temperatures range from the high 40s to the mid-80s throughout the year, with January being the coldest month and July and August being the hottest months. Rainfall is abundant all year round, especially in winter and springtime, while snowfall is generally light with only occasional snowstorms occurring in the winter season. The area also experiences strong thunderstorms during late spring and summer with occasional tornadoes passing through occasionally.

Union County, Mississippi gets 57 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Union County averages 2 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 Union County. The US average is 205 sunny days.

Union County 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 91 degrees
Winter Low: the January low is 29
Rain: averages 57 inches of rain a year
Snow: averages 2 inches of snow a year

Bestplaces Comfort Index

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

5.6 Summer - 6.6 Winter

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

Climate	Union, Mississippi	United States
	57.2 in.	38.1 in.
	1.8 in.	27.8 in.
	106.5 days	106.2 days
	216 days	205 days
	90.7°	85.8°
	29.3°	21.7°
	7.2	7
	5.1	4.3
	418 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.

August is the hottest month for Union County with an average high temperature of 90.8°, which ranks it as cooler than most places in Mississippi. In Union County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Union County are May, October and April.

In Union County, there are 55.1 days annually when the high temperature is over 90°, which is cooler than most places in Mississippi.

January has the coldest nighttime temperatures for Union County with an average of 29.3°. This is colder than most places in Mississippi.

In Union County, there are 67.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Mississippi.

In Union County, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Mississippi.

Humidity in Union 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.

December is the wettest month in Union County with 6.5 inches of rain, and the driest month is August with 3.7 inches. The wettest season is Spring with 28% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 57.2 inches in Union County means that it is about average compared to other places in Mississippi.

December is the rainiest month in Union County with 10.1 days of rain, and September is the driest month with only 6.8 rainy days. There are 106.5 rainy days annually in Union County, which is rainier than most places in Mississippi. The rainiest season is Spring when it rains 27% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 1.8 inches in Union County means that it is one of the snowiest places in Mississippi. January is the snowiest month in Union County with 0.8 inches of snow, and 2 months of the year have significant snowfall.

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