December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 65.0 °F (18.4 °C). The lowest recored high temperature was 54.7 °F (12.6 °C) in 2024 and the highest recored high temperature was 82.9 °F (28.3 °C) in 1999. The high temperature is usually* between 60.7 °F (16.0 °C) and 69.3 °F (20.7 °C). About a quarter of the time, the high temperature is less than 60.7 °F (16.0 °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 52.5 °F (11.4 °C) and 77.5 °F (25.3 °C).

Low Temperatures

On December 20 in this location the average low temperature is 44.9 °F (7.2 °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 49.2 °F (9.6 °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 49.2 °F (9.6 °C). About 95% of the time, the low temperature has been between 32.3 °F (0.2 °C) and 57.5 °F (14.2 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 2.3% 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: