December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 66.4 °F (19.1 °C). The lowest recored high temperature was 52.0 °F (11.1 °C) in 1990 and the highest recored high temperature was 86.0 °F (30.0 °C) in 1954. The high temperature is usually* between 62.1 °F (16.7 °C) and 70.8 °F (21.5 °C). About a quarter of the time, the high temperature is less than 62.1 °F (16.7 °C), and another quarter of the time, the high temperature is greater than and 70.8 °F (21.5 °C). About 95% of the time, the high temperature has been between 53.8 °F (12.1 °C) and 79.1 °F (26.1 °C).

Low Temperatures

On December 20 in this location the average low temperature is 46.8 °F (8.2 °C). The lowest recored low temperature was 33.3 °F (0.7 °C) in 1996 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 2020. The low temperature is usually* between 43.7 °F (6.5 °C) and 50.0 °F (10.0 °C). About a quarter of the time, the low temperature is less than 43.7 °F (6.5 °C), and another quarter of the time, the low temperature is greater than and 50.0 °F (10.0 °C). About 95% of the time, the low temperature has been between 37.8 °F (3.2 °C) and 55.9 °F (13.3 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 0.1% 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: