Dillon is a city of approximately 4,200 people in Montana, United States. Located in the Mountain Time Zone at 45.2°N latitude.
Dillon has a semi-arid climate. Average annual temperature is 42°F, with January lows around 13°F and July highs near 82°F. The city averages 10 inches of precipitation per year. The wettest month is typically June; the driest is January.