December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 34.6 °F (1.5 °C). The lowest recored high temperature was 6.1 °F (-14.4 °C) in 1963 and the highest recored high temperature was 59.0 °F (15.0 °C) in 1949. The high temperature is usually* between 27.6 °F (-2.4 °C) and 41.7 °F (5.4 °C). About a quarter of the time, the high temperature is less than 27.6 °F (-2.4 °C), and another quarter of the time, the high temperature is greater than and 41.7 °F (5.4 °C). About 95% of the time, the high temperature has been between 14.3 °F (-9.9 °C) and 55.0 °F (12.8 °C).

Low Temperatures

On December 20 in this location the average low temperature is 20.8 °F (-6.2 °C). The lowest recored low temperature was -15.7 °F (-26.5 °C) in 1963 and the lowest recored low temperature was 47.8 °F (8.8 °C) in 1988. The low temperature is usually* between 12.4 °F (-10.9 °C) and 29.1 °F (-1.6 °C). About a quarter of the time, the low temperature is less than 12.4 °F (-10.9 °C), and another quarter of the time, the low temperature is greater than and 29.1 °F (-1.6 °C). About 95% of the time, the low temperature has been between -3.4 °F (-19.7 °C) and 45.0 °F (7.2 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 81.9% 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: