December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 66.8 °F (19.3 °C). The lowest recored high temperature was 48.9 °F (9.4 °C) in 1970 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2024. The high temperature is usually* between 61.3 °F (16.3 °C) and 72.3 °F (22.4 °C). About a quarter of the time, the high temperature is less than 61.3 °F (16.3 °C), and another quarter of the time, the high temperature is greater than and 72.3 °F (22.4 °C). About 95% of the time, the high temperature has been between 50.7 °F (10.4 °C) and 82.9 °F (28.3 °C).

Low Temperatures

On December 20 in this location the average low temperature is 41.8 °F (5.4 °C). The lowest recored low temperature was 24.8 °F (-4.0 °C) in 2006 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 1999. The low temperature is usually* between 37.9 °F (3.3 °C) and 45.7 °F (7.6 °C). About a quarter of the time, the low temperature is less than 37.9 °F (3.3 °C), and another quarter of the time, the low temperature is greater than and 45.7 °F (7.6 °C). About 95% of the time, the low temperature has been between 30.4 °F (-0.9 °C) and 53.2 °F (11.8 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 4.5% 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: