December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 33.9 °F (1.0 °C). The lowest recored high temperature was 4.1 °F (-15.5 °C) in 1989 and the highest recored high temperature was 59.0 °F (15.0 °C) in 1949. The high temperature is usually* between 26.9 °F (-2.8 °C) and 40.8 °F (4.9 °C). About a quarter of the time, the high temperature is less than 26.9 °F (-2.8 °C), and another quarter of the time, the high temperature is greater than and 40.8 °F (4.9 °C). About 95% of the time, the high temperature has been between 13.7 °F (-10.2 °C) and 54.0 °F (12.2 °C).

Low Temperatures

On December 20 in this location the average low temperature is 21.5 °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 (-10.4 °C) and 29.6 °F (-1.3 °C). About a quarter of the time, the low temperature is less than 13.4 °F (-10.4 °C), and another quarter of the time, the low temperature is greater than and 29.6 °F (-1.3 °C). About 95% of the time, the low temperature has been between -2.1 °F (-18.9 °C) and 45.1 °F (7.3 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 80.9% 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: