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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
17.5°C
across all months
Warmest month
32.7°C
Jul average high
Coolest month
2.3°C
Jan average low
Annual rainfall
1223mm
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
38.3°C
22 June 2022
Coldest day
-12.3°C
24 December 2022
Wettest day
94.2mm
6 February 2020
Windiest day
8m/s
15 September 2018
See the detail: Union on 6 February 2020.