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.
According to Alaska Travel, average highs in the Inside Passage region range from 55 to 65 degrees Fahrenheit during cruise season, with May and September being about 10 degrees colder during the day than the summer months. Hours of daylight range from 14 to 18, with June having the most daylight hours and September having the least. South central Alaska has similar weather, with average temperature highs of 55 degrees Fahrenheit in both May and September; average temperatures range between 62 and 65 degrees F in June, July and August.