December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 36.2 °F (2.4 °C). The lowest recored high temperature was 15.1 °F (-9.4 °C) in 1989 and the highest recored high temperature was 52.9 °F (11.6 °C) in 1988. The high temperature is usually* between 30.2 °F (-1.0 °C) and 42.2 °F (5.7 °C). About a quarter of the time, the high temperature is less than 30.2 °F (-1.0 °C), and another quarter of the time, the high temperature is greater than and 42.2 °F (5.7 °C). About 95% of the time, the high temperature has been between 18.9 °F (-7.3 °C) and 53.6 °F (12.0 °C).

Low Temperatures

On December 20 in this location the average low temperature is 25.3 °F (-3.7 °C). The lowest recored low temperature was -0.6 °F (-18.1 °C) in 2016 and the lowest recored low temperature was 43.9 °F (6.6 °C) in 1988. The low temperature is usually* between 18.2 °F (-7.7 °C) and 32.3 °F (0.2 °C). About a quarter of the time, the low temperature is less than 18.2 °F (-7.7 °C), and another quarter of the time, the low temperature is greater than and 32.3 °F (0.2 °C). About 95% of the time, the low temperature has been between 4.8 °F (-15.1 °C) and 45.8 °F (7.7 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 74.0% 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: