With a population of 343, Keystone is a must-see destination in South Dakota, United States. It is among the most popular tourist destinations in the country. Keystone deserves at least 2 full days for you to see its main sights.
Looking for warm weather? Then head to Keystone in July, when the average temperature is 69.8 °F, and the highest can go up to 80.6 °F. The coldest month, on the other hand, is January, when it can get as cold as 15.8 °F, with an average temperature of 26.6 °F. You’re likely to see more rain in May, when precipitation is around 4″. In contrast, January is usually the driest month of the year in Keystone, with an average rainfall of 0.4″.
Although Keystone doesn’t have its own airport, you can fly to Rapid City (RAP), which is located 20 miles from Keystone. Rapid City is the most popular, with regular flights from Aeromexico, Delta, Korean Air and other airlines departing from the United States. The shortest domestic flight to Keystone departs from Los Angeles and takes around 2h 55m.
If you’re on a budget, well-reviewed accommodations include K Bar S Lodge Ascend Hotel Collection and Keystone Boardwalk Inn and Suites.
Expect to pay $3.71 per gallon in Keystone (average price from the past 30 days). Depending on the size of your rental car, filling up the tank will cost between $44.52 and $59.36.