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Nampa: Geography and Climate


Located in the heart of Idaho's Treasure Valley, or "Banana Belt," Nampa enjoys a mild climate year-round. Its high desert location is bordered to the north by the Front Range of the Rocky Mountains and to the south by the Owyhee Mountains. Nampa enjoys warm summers with an average temperature of 92° F, but the low humidity makes for a pleasant environment. Winter lows average 20.2° F. Nampa's winters are mild, with minimal snowfall. Blizzards are rare, and snow that does fall rarely stays on the ground for more than a few days. Nampa's climate is ideal for the production of agricultural goods, which make up a substantial part of the region's economy. Nampa is located just 16 miles from Boise, Idaho's state capital.

Area: 20 square miles (2000)

Elevation: 2,492 feet above sea level

Average Temperatures: January, 20.2° F; July, 92.0° F; annual average, 64.4° F

Average Annual Precipitation: 11.7 inches of rain; 21.4 inches of snow


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