Find 136 hotels in Wilmington

Exploring Wilmington

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

• Midewin National Tallgrass Prairie
• Kankakee River State Park
• Heidecke Lake State Fish and Wildlife Area
• Route 66 Raceway
• Chicagoland Speedway
• Hollywood Casino Joliet
• Empress River Casino

When is the Best Time to Explore Wilmington?

If you're wondering when is the best time of year to explore Wilmington, you might find this info about seasonal weather helpful when planning your trip. The warmest months in Wilmington 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 November 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 9°C and at night it is -8°C. Seasonal average rainfall is 225 mm.
• If you visit between April and June, you can expect an average temp of 26°C during the day and 5°C at night. Average rainfall during this season is 455 mm.
• The daytime average temp from July to September is 28°C and the night-time average is 14°C. Average precipitation for this season is 292 mm.
• Between October and December, the average temp during the day is 17°C and -3°C at night. Seasonal average rain is 253 mm.
• The annual rainfall average in Wilmington is 1225 mm.