11. New Orleans, Louisiana
> High average December temperature, 1991-2020: 65°F
> Low average December temperature, 1991-2020: 48°F
10. San Antonio, Texas
> High average December temperature, 1991-2020: 65°F
> Low average December temperature, 1991-2020: 42°F
9. San Diego, California
> High average December temperature, 1991-2020: 66°F
> Low average December temperature, 1991-2020: 50°F
8. Houston, Texas
> High average December temperature, 1991-2020: 66°F
> Low average December temperature, 1991-2020: 48°F
7. Phoenix, Arizona
> High average December temperature, 1991-2020: 66°F
> Low average December temperature, 1991-2020: 45°F