Find 140 hotels in Hennepin

Exploring Hennepin

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

• Peru Mall
• Matthiessen State Park
• Grand Bear Falls Indoor Water Park
• Illinois River Winery
• August Hill Winery Tasting Room
• Starved Rock State Park
• Illinois Valley Community College

When is the Best Time to Explore Hennepin?

If you're curious when is the best time of year to visit Hennepin, you may find this information about seasonal weather helpful when planning your trip. The warmest months in Hennepin 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 a rundown 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 218 mm.
• If you visit between April and June, you can expect an average temp of 27°C during the day and 5°C at night. Average rainfall during this season is 456 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 281 mm.
• Between October and December, the average temp during the day is 17°C and -4°C at night. Seasonal average rain is 244 mm.
• The annual rainfall average in Hennepin is 1198 mm.