December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 32.4 °F (0.2 °C). The lowest recored high temperature was 2.3 °F (-16.5 °C) in 1963 and the highest recored high temperature was 53.4 °F (11.9 °C) in 1949. The high temperature is usually* between 25.9 °F (-3.4 °C) and 38.9 °F (3.8 °C). About a quarter of the time, the high temperature is less than 25.9 °F (-3.4 °C), and another quarter of the time, the high temperature is greater than and 38.9 °F (3.8 °C). About 95% of the time, the high temperature has been between 13.6 °F (-10.2 °C) and 51.2 °F (10.7 °C).

Low Temperatures

On December 20 in this location the average low temperature is 19.3 °F (-7.1 °C). The lowest recored low temperature was -15.9 °F (-26.6 °C) in 1983 and the lowest recored low temperature was 46.9 °F (8.3 °C) in 1988. The low temperature is usually* between 11.3 °F (-11.5 °C) and 27.2 °F (-2.7 °C). About a quarter of the time, the low temperature is less than 11.3 °F (-11.5 °C), and another quarter of the time, the low temperature is greater than and 27.2 °F (-2.7 °C). About 95% of the time, the low temperature has been between -3.9 °F (-19.9 °C) and 42.4 °F (5.8 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 86.0% of the time.

Usually* in this context means around 50% of the time, assuming a normal distribution of values.

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations: