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 7.2 °F (-13.8 °C) in 1989 and the highest recored high temperature was 61.0 °F (16.1 °C) in 1988. The high temperature is usually* between 29.3 °F (-1.5 °C) and 42.6 °F (5.9 °C). About a quarter of the time, the high temperature is less than 29.3 °F (-1.5 °C), and another quarter of the time, the high temperature is greater than and 42.6 °F (5.9 °C). About 95% of the time, the high temperature has been between 16.6 °F (-8.6 °C) and 55.3 °F (13.0 °C).

Low Temperatures

On December 20 in this location the average low temperature is 24.6 °F (-4.1 °C). The lowest recored low temperature was -4.0 °F (-20.0 °C) in 2016 and the lowest recored low temperature was 51.1 °F (10.6 °C) in 1988. The low temperature is usually* between 17.0 °F (-8.3 °C) and 32.2 °F (0.1 °C). About a quarter of the time, the low temperature is less than 17.0 °F (-8.3 °C), and another quarter of the time, the low temperature is greater than and 32.2 °F (0.1 °C). About 95% of the time, the low temperature has been between 2.7 °F (-16.3 °C) and 46.6 °F (8.1 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 74.5% 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: