December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 67.1 °F (19.5 °C). The lowest recored high temperature was 50.4 °F (10.2 °C) in 1949 and the highest recored high temperature was 84.0 °F (28.9 °C) in 2024. The high temperature is usually* between 61.9 °F (16.6 °C) and 72.3 °F (22.4 °C). About a quarter of the time, the high temperature is less than 61.9 °F (16.6 °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 52.0 °F (11.1 °C) and 82.2 °F (27.9 °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 28.0 °F (-2.2 °C) in 1948 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 2009. The low temperature is usually* between 41.2 °F (5.1 °C) and 48.4 °F (9.1 °C). About a quarter of the time, the low temperature is less than 41.2 °F (5.1 °C), and another quarter of the time, the low temperature is greater than and 48.4 °F (9.1 °C). About 95% of the time, the low temperature has been between 34.3 °F (1.3 °C) and 55.3 °F (13.0 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 0.9% 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: