Bighorn Canyon National Recreation Area - Climate

Bighorn Canyon National Recreation Area by National Parks Service

The North end of Bighorn Canyon is semi-arid getting 18 to 20 inches of rain annually. The South end is in the rain shadow of the Rocky Mountains and is a high desert with average rainfall from 6 to 10 inches annually. The average temperatures are consistent throughout the park with summer highs in the 80s and 90s, lows in the 50s and 60s. Summer temperatures can peak over 100 degrees. High winter temperatures range in the 20s and 30s and low temperatures average in the 10s and 20s, but temperatures can drop below 0 with extreme wind chill factors.