Average Temperatures in Calgary, Alberta, Canada. 1  The average annual temperature in Calgary, Alberta, Canada is cool at 3.9 degrees Celsius (39 degrees Fahrenheit).2  The range of mean monthly temperatures is 26 C (46.8 F) which is a moderate range.verage Temperatures in Calgary, Alberta, Canada. 1  The average annual temperature in Calgary, Alberta, Canada is cool at 3.9 degrees Celsius (39 degrees Fahrenheit).
Demi Permanent Vs. Semi Permanent Hair Color. Both demi-permanent and semi-permanent hair color dyes can be applied at a salon or at home. The main differences between demi and semi-permanent hair color are the duration the color lasts and how the dye penetrates the hair shaft. Semi-permanent hair color does not contain any peroxide while demi-permanent hair color may contain low levels of ammonia or peroxide.
How long does demi permanent hair color last? Demi permanent hair color can last up to 6 weeks and typically fades after 20 to 28 hair shampoo washes. As a hair-coloring agent, demi permanent formulas are used to enhance natural hair color, to darken the natural hair shade and to refresh previously colored hair.