December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 35.4 °F (1.9 °C). The lowest recored high temperature was 14.4 °F (-9.8 °C) in 1942 and the highest recored high temperature was 57.0 °F (13.9 °C) in 1988. The high temperature is usually* between 30.3 °F (-0.9 °C) and 40.4 °F (4.7 °C). About a quarter of the time, the high temperature is less than 30.3 °F (-0.9 °C), and another quarter of the time, the high temperature is greater than and 40.4 °F (4.7 °C). About 95% of the time, the high temperature has been between 20.7 °F (-6.3 °C) and 50.0 °F (10.0 °C).

Low Temperatures

On December 20 in this location the average low temperature is 23.2 °F (-4.9 °C). The lowest recored low temperature was -3.5 °F (-19.7 °C) in 2016 and the lowest recored low temperature was 46.9 °F (8.3 °C) in 1957. The low temperature is usually* between 17.2 °F (-8.2 °C) and 29.1 °F (-1.6 °C). About a quarter of the time, the low temperature is less than 17.2 °F (-8.2 °C), and another quarter of the time, the low temperature is greater than and 29.1 °F (-1.6 °C). About 95% of the time, the low temperature has been between 5.9 °F (-14.5 °C) and 40.5 °F (4.7 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 84.1% 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: