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Exploring Summerville

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

• Wallowa-Whitman National Forest
• Grande Ronde River
• Umatilla National Forest
• Union County Fairgrounds
• Hot Lake Springs
• Riverside Park
• Oregon Trail Interpretive Center

When is the Best Time to Explore Summerville?

If you're curious when is the best time of year to visit Summerville, you may find this information about seasonal weather helpful when you are organising your getaway. The warmest months in Summerville are typically July and August, whereas the coldest months are usually December and January. The months with the most rain are December and March, whereas July and August 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 6°C and at night it is -5°C. Seasonal average rainfall is 320 mm.
• If you visit between April and June, you can expect an average temp of 22°C during the day and 1°C at night. Average rainfall during this season is 219 mm.
• The daytime average temp from July to September is 28°C and the night-time average is 9°C. Average precipitation for this season is 56 mm.
• Between October and December, the average temp during the day is 14°C and -6°C at night. Seasonal average rain is 322 mm.
• The annual rainfall average in Summerville is 917 mm.