The variable climate of the Badlands can be unpredictable and extreme with temperatures ranging from -40°F to 116°F. Summers are hot and dry with occasional violent thunderstorms. Strong winds are usual in all four seasons. Winter temperatures are cold with snowfall accumulations of 1 to 2 feet. Sudden changes in weather are not uncommon in any season.

Weather warnings and forecast for Badlands National Park and vicinity can be heard on NOAA Weather Radio 162.450 MHZ. Forecast can also be obtained by calling 605-341-7531.

Average Monthly Highs/Lows in °F and Average Precipitation in Inches

January 34°/11° 0.29″

February 40°/16° 0.48″

March 48°/24° 0.90″

April 62°/36° 1.83″

May 72°/46° 2.75″

June 83°/56° 3.12″

July 92°/62° 1.94″

August 91°/61° 1.45″

September 81°/51° 1.23″

October 68°/39° 0.90″

November 50°/26° 0.41″

December 39°/17° 0.30″