December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 34.6 °F (1.4 °C). The lowest recored high temperature was 14.7 °F (-9.6 °C) in 2004 and the highest recored high temperature was 53.6 °F (12.0 °C) in 1988. The high temperature is usually* between 28.7 °F (-1.8 °C) and 40.4 °F (4.7 °C). About a quarter of the time, the high temperature is less than 28.7 °F (-1.8 °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 17.6 °F (-8.0 °C) and 51.5 °F (10.8 °C).

Low Temperatures

On December 20 in this location the average low temperature is 23.0 °F (-5.0 °C). The lowest recored low temperature was 0.0 °F (-17.8 °C) in 1963 and the lowest recored low temperature was 42.1 °F (5.6 °C) in 1957. The low temperature is usually* between 16.3 °F (-8.7 °C) and 29.7 °F (-1.3 °C). About a quarter of the time, the low temperature is less than 16.3 °F (-8.7 °C), and another quarter of the time, the low temperature is greater than and 29.7 °F (-1.3 °C). About 95% of the time, the low temperature has been between 3.6 °F (-15.8 °C) and 42.5 °F (5.8 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 81.7% 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: