Union (OK) Weather and Climate: A Comprehensive Guide
The temperature in Union can vary greatly throughout the year.
The temperatures shift from very warm
to cold.
It also experiences much rain/snowfall throughout the year.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from very warm to chilly in Union. Average daytime temperatures reach a very warm 34°C in July. In January, the coolest month of the year, temperatures drop to a chilly 10°C.
At night, you can expect cooler temperatures, with averages dropping to around -3°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Union has a relatively rain/snowy climate with high precipitation levels, averaging 1052 mm of rain/snowfall annually. Union can be quite wet during May, receiving approximately 160 mm of precipitation over 12 rainy days. In contrast January, experiences much drier conditions, with 28 mm of rainfall, spread across 5 rainy days. For more details, please visit our Union Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Union can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.4 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Union.
The city experiences its highest humidity in September, reaching 70%. In April, the humidity drops to its lowest level at 61%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
clear and no rain clear and no rain overcast and chance of slight rainForecast for Union (OK)
3 m/s
5 m/s
4 m/s
The best time of year to visit Union in the United States of America
During the months of April, May 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:
July has an average maximum temperature of 34°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 10°C.
May tops the wettest month list with 160 mm of rainfall.
January is the driest month with 28 mm of precipitation.
July is the sunniest month with an average of 336 hours of sunshine.
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.
