Posted on December 8, 2009December 8, 2009 by Jeff MilnerIt’s Cold in Lethbridge It’s currently -38Â°C in Lethbridge. That’s -36Â°F. Only a little colder and then numbers for Celsius and Fahrenheit converge. Oh and did I mention that’s WITHOUT the wind chill factor. Yeah, with wind chill it’s more like -47Â°C!