December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 34.8 °F (1.5 °C). The lowest recored high temperature was 14.7 °F (-9.6 °C) in 2004 and the highest recored high temperature was 55.9 °F (13.3 °C) in 1988. The high temperature is usually* between 28.7 °F (-1.8 °C) and 40.8 °F (4.9 °C). About a quarter of the time, the high temperature is less than 28.7 °F (-1.8 °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 17.1 °F (-8.3 °C) and 52.4 °F (11.3 °C).

Low Temperatures

On December 20 in this location the average low temperature is 24.1 °F (-4.4 °C). The lowest recored low temperature was -0.4 °F (-18.0 °C) in 2000 and the lowest recored low temperature was 45.9 °F (7.7 °C) in 1988. The low temperature is usually* between 17.2 °F (-8.2 °C) and 31.1 °F (-0.5 °C). About a quarter of the time, the low temperature is less than 17.2 °F (-8.2 °C), and another quarter of the time, the low temperature is greater than and 31.1 °F (-0.5 °C). About 95% of the time, the low temperature has been between 4.0 °F (-15.5 °C) and 44.2 °F (6.8 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 77.8% 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: