December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 35.3 °F (1.8 °C). The lowest recored high temperature was 14.4 °F (-9.8 °C) in 1942 and the highest recored high temperature was 55.4 °F (13.0 °C) in 1955. The high temperature is usually* between 30.4 °F (-0.9 °C) and 40.2 °F (4.6 °C). About a quarter of the time, the high temperature is less than 30.4 °F (-0.9 °C), and another quarter of the time, the high temperature is greater than and 40.2 °F (4.6 °C). About 95% of the time, the high temperature has been between 21.0 °F (-6.1 °C) and 49.6 °F (9.8 °C).

Low Temperatures

On December 20 in this location the average low temperature is 22.8 °F (-5.1 °C). The lowest recored low temperature was -3.5 °F (-19.7 °C) in 2016 and the lowest recored low temperature was 41.4 °F (5.2 °C) in 1952. The low temperature is usually* between 17.0 °F (-8.4 °C) and 28.7 °F (-1.8 °C). About a quarter of the time, the low temperature is less than 17.0 °F (-8.4 °C), and another quarter of the time, the low temperature is greater than and 28.7 °F (-1.8 °C). About 95% of the time, the low temperature has been between 5.8 °F (-14.6 °C) and 39.9 °F (4.4 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 85.4% 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: