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Exploring Sumner

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

• Red Hills State Park
• Olney Township Town Hall
• Rogers Clark National Historical Park
• Harrison Mansion
• Vincennes University
• Gregg Park
• East Fork Par-3 Golf Course

When is the Best Time to Explore Sumner?

If you're curious when is the best time of year to explore Sumner, you may find this information about seasonal weather helpful when you are organising your getaway. The warmest months in Sumner are typically July and August, whereas the coldest months are usually January and February. The months with the most rain are April and May, whereas September and January 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 12°C and at night it is -4°C. Seasonal average rainfall is 330 mm.
• If you visit between April and June, you can expect an average temp of 28°C during the day and 8°C at night. Average rainfall during this season is 469 mm.
• The daytime average temp from July to September is 30°C and the night-time average is 16°C. Average precipitation for this season is 300 mm.
• Between October and December, the average temp during the day is 20°C and 0°C at night. Seasonal average rain is 314 mm.
• The average annual rainfall in Sumner is 1413 mm.