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Union
Weather averages
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Union (SC) Weather and Climate: A Comprehensive Guide

The climate in Union is marked by big temperature swings throughout the year. Temperatures range from very warm during the warmest months to cold in the cooler months. It is also known for its large amounts of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

In Union, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 33°C in July to a chilly 12°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -1°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Union experiences significant rain/snowfall throughout the year, averaging 1083 mm of precipitation annually. Union offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between December (131 mm) and February (72 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

The mean monthly precipitation over the year, including rain, hail and snow

The average number of days each month with precipitation

Forecast for Union (SC)

Mon   Dec 23
8°C | -3°C
NE 3 m/s
clear and no rain

clear and no rain

hourly forecast
Tue   Dec 24
13°C | -5°C
N 2 m/s
clear and no rain

clear and no rain

hourly forecast
Wed   Dec 25
12°C | 0°C
NE 3 m/s
clear and no rain

clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Union in the United States of America

During the months of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Union?
    July has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Union?
    The coldest month is January with an average maximum temperature of 12°C.
  • Which is the wettest month in Union?
    December tops the wettest month list with 131 mm of rainfall.
  • Which is the driest month in Union?
    February is the driest month with 72 mm of precipitation.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     


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