December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 66.5 °F (19.2 °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 62.2 °F (16.8 °C) and 70.9 °F (21.6 °C). About a quarter of the time, the high temperature is less than 62.2 °F (16.8 °C), and another quarter of the time, the high temperature is greater than and 70.9 °F (21.6 °C). About 95% of the time, the high temperature has been between 53.9 °F (12.2 °C) and 79.2 °F (26.2 °C).

Low Temperatures

On December 20 in this location the average low temperature is 46.5 °F (8.1 °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 43.4 °F (6.3 °C) and 49.6 °F (9.8 °C). About a quarter of the time, the low temperature is less than 43.4 °F (6.3 °C), and another quarter of the time, the low temperature is greater than and 49.6 °F (9.8 °C). About 95% of the time, the low temperature has been between 37.5 °F (3.1 °C) and 55.5 °F (13.1 °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: