Dewey is a city of approximately 3,500 people in Oklahoma, United States. Located in the Central Time Zone at 36.8°N latitude.
Dewey has a humid continental climate. Average annual temperature is 58°F, with January lows around 22°F and July highs near 93°F. The city averages 40 inches of precipitation and 8 inches of snow per year. The wettest month is typically May; the driest is January.