December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 66.4 °F (19.1 °C). The lowest recored high temperature was 46.9 °F (8.3 °C) in 1967 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2024. The high temperature is usually* between 61.0 °F (16.1 °C) and 71.9 °F (22.1 °C). About a quarter of the time, the high temperature is less than 61.0 °F (16.1 °C), and another quarter of the time, the high temperature is greater than and 71.9 °F (22.1 °C). About 95% of the time, the high temperature has been between 50.6 °F (10.3 °C) and 82.2 °F (27.9 °C).

Low Temperatures

On December 20 in this location the average low temperature is 40.7 °F (4.8 °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 36.8 °F (2.7 °C) and 44.5 °F (7.0 °C). About a quarter of the time, the low temperature is less than 36.8 °F (2.7 °C), and another quarter of the time, the low temperature is greater than and 44.5 °F (7.0 °C). About 95% of the time, the low temperature has been between 29.5 °F (-1.4 °C) and 51.9 °F (11.0 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 6.4% 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: