Union (WI) Temperatures: Monthly Averages and Year-Round Insights
On this page, we’ll explore Union’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in the United States of America.
Monthly Temperature Averages
In Union, temperatures can shift dramatically between warm in summer and very cold in winter. Typically, maximum daytime temperatures range from a warm 28°C in July to a very cold -5°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -15°C, particularly during the colder months.
The chart below illustrates the average maximum day and minimum night temperatures in Union by month:
The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM. During this time the sun's heating effect is the strongest.
The chart below shows the average temperature throughout the year:
July, the city’s warmest month, also receives about 96 mm of rainfall spread over roughly 12 days. For more information, please visit our Union Precipitation page.
Annual Temperatures in the United States of America Compared
The map below shows the annual temperature across the United States of America. You can also select the different months in case you are interested in a specific month.
very warm
warm
pleasant
moderate
cold
very cold
Union Temperatures Compared World Wide
Union’s average annual maximum temperature is 13°C. Let’s compare this with some popular tourist destinations:
Athens, Greece, experiences an average annual temperature of 23°C, with hot summers and mild winters typical of a Mediterranean climate.
In contrast, in Zermatt, Switzerland, the average annual temperature is significantly lower at 4°C, with mild summers and very cold winters.
Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with an average annual temperature of 23°C, featuring hot summers and mild winters.
In Tokyo, Japan, the average annual temperature is 21°C, expect warmer summers and milder winters than Amsterdam.
How are these Temperatures Measured?
Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.
This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.
Effects of Temperature on Weather and Climate
Temperature variations influence precipitation patterns in Amsterdam:
Rainfall: Warm air holds more moisture, leading to heavier rain during warmer months. However, precipitation is generally moderate year-round.
Snow: Occasional snowfall occurs in winter, though it rarely lasts very long.
For more detailed information about Union’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Union climate page.
Current temperature in Union (WI)
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partly cloudy and no rain
3 m/s
overcast and small chance of snow
2 m/s
overcast and no rain
