Find 6 hotels in Grinnell

Exploring Grinnell

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

• Annie Oakley Park
• Fick Fossil and History Museum

When is the Best Time to Explore Grinnell?

If you're curious when is the best time of year to explore Grinnell, you might find this info about seasonal weather helpful when you are organising your getaway. The warmest months in Grinnell are typically July and August, whereas the coldest months are usually January and February. The months with the most rain are May and June, 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 15°C and at night it is -5°C. Seasonal average rainfall is 73 mm.
• If you visit between April and June, you can expect an average temp of 31°C during the day and 5°C at night. Average rainfall during this season is 263 mm.
• The daytime average temp from July to September is 34°C and the night-time average is 15°C. Average precipitation for this season is 196 mm.
• Between October and December, the average temp during the day is 20°C and -4°C at night. Seasonal average rain is 85 mm.
• The annual rainfall average in Grinnell is 617 mm.