December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 65.5 °F (18.6 °C). The lowest recored high temperature was 46.0 °F (7.8 °C) in 1949 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2024. The high temperature is usually* between 59.8 °F (15.5 °C) and 71.1 °F (21.7 °C). About a quarter of the time, the high temperature is less than 59.8 °F (15.5 °C), and another quarter of the time, the high temperature is greater than and 71.1 °F (21.7 °C). About 95% of the time, the high temperature has been between 49.1 °F (9.5 °C) and 81.8 °F (27.7 °C).

Low Temperatures

On December 20 in this location the average low temperature is 40.2 °F (4.6 °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 36.2 °F (2.3 °C) and 44.2 °F (6.8 °C). About a quarter of the time, the low temperature is less than 36.2 °F (2.3 °C), and another quarter of the time, the low temperature is greater than and 44.2 °F (6.8 °C). About 95% of the time, the low temperature has been between 28.7 °F (-1.9 °C) and 51.8 °F (11.0 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 8.2% 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: