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Union climate
Typical historical weather for Union, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Union.
Annual average
7.2°C
across all months
Warmest month
27.6°C
Jul average high
Coolest month
-6°C
Jan average low
Annual rainfall
793mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
37.2°C
29 June 2021
Coldest day
-28.2°C
7 February 2019
Wettest day
41.6mm
20 May 2020
Windiest day
5.9m/s
20 November 2024
See the detail: Union on 20 May 2020.