In November, the average temperature at the North Pole is -8.3 degrees Fahrenheit. In December, the average temperature at the North Pole is 7.7 degrees Fahrenheit colder than November's average temperature. In January, the average temperature at the North Pole is 1 1/4 times colder than December's average temperature. What is the average temperature, in degrees Fahrenheit, at the North Pole in January?