Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
December, Low crowds, average high temperature 7 degrees Celsius, average low temperature -1 degrees Celsius. Partly sunny.
-1°
4°
weather_cloudy
January, Low crowds, average high temperature 4 degrees Celsius, average low temperature -4 degrees Celsius. Cloudy most days.
-4°
7°
weather_partly_sunny
February, Low crowds, average high temperature 7 degrees Celsius, average low temperature -3 degrees Celsius. Partly sunny.
-3°
13°
weather_partly_sunny
March, High crowds, average high temperature 13 degrees Celsius, average low temperature 3 degrees Celsius. Partly sunny.
3°
19°
weather_sun
April, High crowds, average high temperature 19 degrees Celsius, average low temperature 8 degrees Celsius. Sunny most days.
8°
24°
weather_sun
May, Moderate crowds, average high temperature 24 degrees Celsius, average low temperature 13 degrees Celsius. Sunny most days.
13°
30°
weather_sun
June, High crowds, average high temperature 30 degrees Celsius, average low temperature 19 degrees Celsius. Sunny most days.
19°
32°
weather_sun
July, High crowds, average high temperature 32 degrees Celsius, average low temperature 20 degrees Celsius. Sunny most days.
20°
31°
weather_sun
August, Moderate crowds, average high temperature 31 degrees Celsius, average low temperature 19 degrees Celsius. Sunny most days.
19°
27°
weather_sun
September, Low crowds, average high temperature 27 degrees Celsius, average low temperature 16 degrees Celsius. Sunny most days.
16°
20°
weather_sun
October, Moderate crowds, average high temperature 20 degrees Celsius, average low temperature 9 degrees Celsius. Sunny most days.
9°
13°
weather_partly_sunny
November, Moderate crowds, average high temperature 13 degrees Celsius, average low temperature 3 degrees Celsius. Partly sunny.
3°
Monthly weather averages (˚C)
Top landmarks in Union
Indian Harvest
Indian Harvest is 5.3 mi (8.6 km) from central Union, why not stop by during your stay. If you'd also like to explore some of the parks in Union, head to Missouri Botanical Garden Arboretum and Shaw Nature Reserve.
Union is well-known for its attractions such as Meramec River and Union Silo Plaza. This welcoming city has something for everyone including sights like Franklin County Historical Society Museum and Union City Hall within a small-town setting.
If you want the flexibility to change your plans to Union, most properties offer refundable* bookable rates. You can see these accommodations by searching our site and using the "fully refundable" filter to narrow down the results.
Where can I stay in Union if I want a reasonably priced accommodation?
Where can I stay in Union if I want a vacation home instead of a traditional hotel?
If you're looking for a good alternative to a hotel, review our selection of 7 vacation homes.
What will the weather in Union be like during my trip?
July and August are typically the warmest months in Union when the average temp is 75°F. January and February are the coldest months when the average temperature is 37°F. May and April are the months with the most rain.
Why should I book my Union hotel with Hotels.com?
There are plenty of reasons to book your Union travel with us: our free cancellations on selected hotels gives you the flexibility you're looking for, and with One Key™, our rewards program, you will be able to earn and use OneKeyCash™* on all eligible bookings such as hotels, car rentals, flights, vacation rentals and more on Hotels.com, Expedia and Vrbo.