December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 36.0 °F (2.2 °C). The lowest recored high temperature was 15.8 °F (-9.0 °C) in 2000 and the highest recored high temperature was 55.9 °F (13.3 °C) in 1988. The high temperature is usually* between 29.9 °F (-1.2 °C) and 42.2 °F (5.7 °C). About a quarter of the time, the high temperature is less than 29.9 °F (-1.2 °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 18.1 °F (-7.7 °C) and 54.0 °F (12.2 °C).

Low Temperatures

On December 20 in this location the average low temperature is 23.8 °F (-4.6 °C). The lowest recored low temperature was -0.9 °F (-18.3 °C) in 2016 and the lowest recored low temperature was 45.9 °F (7.7 °C) in 1988. The low temperature is usually* between 16.5 °F (-8.6 °C) and 31.1 °F (-0.5 °C). About a quarter of the time, the low temperature is less than 16.5 °F (-8.6 °C), and another quarter of the time, the low temperature is greater than and 31.1 °F (-0.5 °C). About 95% of the time, the low temperature has been between 2.7 °F (-16.3 °C) and 44.9 °F (7.2 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 77.7% 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: