December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 35.5 °F (1.9 °C). The lowest recored high temperature was 15.8 °F (-9.0 °C) in 2000 and the highest recored high temperature was 57.9 °F (14.4 °C) in 1957. The high temperature is usually* between 29.1 °F (-1.6 °C) and 41.8 °F (5.4 °C). About a quarter of the time, the high temperature is less than 29.1 °F (-1.6 °C), and another quarter of the time, the high temperature is greater than and 41.8 °F (5.4 °C). About 95% of the time, the high temperature has been between 17.1 °F (-8.3 °C) and 53.9 °F (12.1 °C).

Low Temperatures

On December 20 in this location the average low temperature is 23.5 °F (-4.7 °C). The lowest recored low temperature was -7.1 °F (-21.7 °C) in 1963 and the lowest recored low temperature was 46.9 °F (8.3 °C) in 1957. The low temperature is usually* between 16.0 °F (-8.9 °C) and 30.9 °F (-0.6 °C). About a quarter of the time, the low temperature is less than 16.0 °F (-8.9 °C), and another quarter of the time, the low temperature is greater than and 30.9 °F (-0.6 °C). About 95% of the time, the low temperature has been between 1.9 °F (-16.7 °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 78.1% 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: