With a population of around 89,800, Nampa sits in Idaho, United States. The city operates in the America/Boise time zone.
In 2025, Nampa recorded an average annual temperature of 56°F. The hottest temperatures reached 104°F in July; the coolest were 4°F in February. Total precipitation for the year was 16 inches, with the wettest month being December. Snowfall for the year totaled approximately 5 inches.
View current conditions and forecast for Nampa · More cities in Idaho