December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 64.9 °F (18.3 °C). The lowest recored high temperature was 50.9 °F (10.5 °C) in 1984 and the highest recored high temperature was 82.9 °F (28.3 °C) in 1999. The high temperature is usually* between 60.4 °F (15.8 °C) and 69.3 °F (20.7 °C). About a quarter of the time, the high temperature is less than 60.4 °F (15.8 °C), and another quarter of the time, the high temperature is greater than and 69.3 °F (20.7 °C). About 95% of the time, the high temperature has been between 52.0 °F (11.1 °C) and 77.7 °F (25.4 °C).

Low Temperatures

On December 20 in this location the average low temperature is 44.8 °F (7.1 °C). The lowest recored low temperature was 32.0 °F (0.0 °C) in 2006 and the lowest recored low temperature was 66.0 °F (18.9 °C) in 1954. The low temperature is usually* between 40.6 °F (4.8 °C) and 49.0 °F (9.5 °C). About a quarter of the time, the low temperature is less than 40.6 °F (4.8 °C), and another quarter of the time, the low temperature is greater than and 49.0 °F (9.5 °C). About 95% of the time, the low temperature has been between 32.5 °F (0.3 °C) and 57.1 °F (13.9 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 2.0% 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: