December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 36.1 °F (2.3 °C). The lowest recored high temperature was 8.1 °F (-13.3 °C) in 1989 and the highest recored high temperature was 61.0 °F (16.1 °C) in 1988. The high temperature is usually* between 29.2 °F (-1.6 °C) and 43.0 °F (6.1 °C). About a quarter of the time, the high temperature is less than 29.2 °F (-1.6 °C), and another quarter of the time, the high temperature is greater than and 43.0 °F (6.1 °C). About 95% of the time, the high temperature has been between 16.1 °F (-8.9 °C) and 56.1 °F (13.4 °C).

Low Temperatures

On December 20 in this location the average low temperature is 23.8 °F (-4.6 °C). The lowest recored low temperature was -0.4 °F (-18.0 °C) in 2000 and the lowest recored low temperature was 48.9 °F (9.4 °C) in 1988. The low temperature is usually* between 15.8 °F (-9.0 °C) and 31.7 °F (-0.2 °C). About a quarter of the time, the low temperature is less than 15.8 °F (-9.0 °C), and another quarter of the time, the low temperature is greater than and 31.7 °F (-0.2 °C). About 95% of the time, the low temperature has been between 0.6 °F (-17.4 °C) and 46.9 °F (8.3 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 75.7% 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: