December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 33.7 °F (0.9 °C). The lowest recored high temperature was 4.1 °F (-15.5 °C) in 1989 and the highest recored high temperature was 54.0 °F (12.2 °C) in 1988. The high temperature is usually* between 27.0 °F (-2.8 °C) and 40.4 °F (4.7 °C). About a quarter of the time, the high temperature is less than 27.0 °F (-2.8 °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 14.2 °F (-9.9 °C) and 53.2 °F (11.8 °C).

Low Temperatures

On December 20 in this location the average low temperature is 21.6 °F (-5.8 °C). The lowest recored low temperature was -8.9 °F (-22.7 °C) in 1989 and the lowest recored low temperature was 48.9 °F (9.4 °C) in 1988. The low temperature is usually* between 13.4 °F (-10.3 °C) and 29.9 °F (-1.2 °C). About a quarter of the time, the low temperature is less than 13.4 °F (-10.3 °C), and another quarter of the time, the low temperature is greater than and 29.9 °F (-1.2 °C). About 95% of the time, the low temperature has been between -2.3 °F (-19.0 °C) and 45.6 °F (7.5 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 80.2% 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: