Union, SC Climate


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United States / South Carolina / Spartanburg Metro Area / Union County / Union / Zip Codes
Union, SC has a humid subtropical climate with hot, humid summers and mild winters. Average highs in the summer months reach into the mid-80s while average lows during winter dip into the 30s. The area experiences precipitation year-round, with the most rain occurring between April and August. There are occasional snowstorms in the winter months but these usually don't result in more than a few inches of accumulation.

Union, South Carolina gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Union averages 2 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 224 sunny days per year in Union. The US average is 205 sunny days.

Union gets some kind of precipitation, on average, 102 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 30
Rain: averages 45 inches of rain a year
Snow: averages 2 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Union is 7.5 (10=best), which means it is one of the most pleasant places in South Carolina.

6.2 Summer - 6.9 Winter
May, October and September are the most pleasant months in Union, while July and August are the least comfortable months.

  ClimateUnion, South CarolinaUnited States
  44.7 in.38.1 in.
  2.2 in.27.8 in.
  102.4 days106.2 days
  224 days205 days
  91.4°85.8°
  29.9°21.7°
  7.57
  4.84.3
  640 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 Union with an average high temperature of 91.4°, which ranks it as about average compared to other places in South Carolina. In Union, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Union are April, May and October.
In Union, there are 55.3 days annually when the high temperature is over 90°, which is about average compared to other places in South Carolina.
January has the coldest nighttime temperatures for Union with an average of 29.9°. This is colder than most places in South Carolina.
In Union, there are 70.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Carolina.
In Union, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Carolina.
Humidity in Union 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.
March is the wettest month in Union with 4.5 inches of rain, and the driest month is May with 3.0 inches. The wettest season is Spring with 26% of yearly precipitation and 24% occurs in Summer, which is the driest season. The annual rainfall of 44.7 inches in Union means that it is drier than most places in South Carolina.
July is the rainiest month in Union with 9.9 days of rain, and October is the driest month with only 6.6 rainy days. There are 102.4 rainy days annually in Union, which is about average compared to other places in South Carolina. The rainiest season is Autumn when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.
An annual snowfall of 2.2 inches in Union means that it is snowier than most places in South Carolina. January is the snowiest month in Union with 1.0 inches of snow, and 2 months of the year have significant snowfall.
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greta · Union, SC
You can make it
Over 13 years ago

Union SC is a great place to live, with a steady income a person can easily rent or purchace a home, most people, work outside the city limits, due to shortage of jobs.  More

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