fluoridation - the addition of a fluoride to the water supply (to prevent dental decay) fluoridisation, fluoridization. addition - the act of adding one thing to another; the addition of flowers created a pleasing effect; the addition of a leap day every four years. Based on WordNet 3.0, Farlex clipart collection.
1 The annual average temperature in Fairbanks, Alaska, Usa is slightly cold at -2.9 degrees Celsius (26.8 degrees Fahrenheit). 2  There is a range of mean monthly temperatures of 40.3 C (72.5 F) which is a high range.
Since 1949, Fairbanks's average winter temperature has risen by 6.9 Â°F (3.8 Â°C), average spring temperature by 3.9 Â°F (2.2 Â°C), and its average summer temperature by 2.3 Â°F (1.3 Â°C). During the same period, however, the average autumn temperature has only risen by 0.1 Â°F (0.056 Â°C).