Find 37 hotels in Union

Exploring Union

The city of Union has some interesting things to see and do. Popular attractions in and around Union include:

• Grimes Farm and Conservation Center
• Marshalltown Speedway
• Marshalltown Community College
• Big Treehouse
• Pine Lake State Park
• Marshalltown Family Aquatic Center
• Marshalltown Softball Complex

When is the Best Time to Explore Union?

If you're wondering when is the best time of year to explore Union, you might find this info about seasonal weather useful when you are planning your trip. The warmest months in Union are typically July and August, whereas the coldest months are usually January and February. The months with the most rain are June and May, whereas January and February have the least.

Here's an overview on how much rain you can expect and what the temperatures are going to be like:

• From January to March, the average daytime temperature is 7°C and at night it is -11°C. Seasonal average rainfall is 129 mm.
• If you visit between April and June, you can expect an average temp of 26°C during the day and 4°C at night. Average rainfall during this season is 408 mm.
• The daytime average temp from July to September is 27°C and the night-time average is 13°C. Average precipitation for this season is 296 mm.
• Between October and December, the average temp during the day is 16°C and -6°C at night. Seasonal average rain is 190 mm.
• The annual rainfall average in Union is 1024 mm.