December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 64.4 °F (18.0 °C). The lowest recored high temperature was 33.8 °F (1.0 °C) in 2011 and the highest recored high temperature was 82.4 °F (28.0 °C) in 2020. The high temperature is usually* between 58.6 °F (14.8 °C) and 70.1 °F (21.2 °C). About a quarter of the time, the high temperature is less than 58.6 °F (14.8 °C), and another quarter of the time, the high temperature is greater than and 70.1 °F (21.2 °C). About 95% of the time, the high temperature has been between 47.7 °F (8.7 °C) and 81.1 °F (27.3 °C).

Low Temperatures

On December 20 in this location the average low temperature is 39.3 °F (4.1 °C). The lowest recored low temperature was 3.2 °F (-16.0 °C) in 2008 and the lowest recored low temperature was 55.9 °F (13.3 °C) in 1980. The low temperature is usually* between 35.0 °F (1.7 °C) and 43.7 °F (6.5 °C). About a quarter of the time, the low temperature is less than 35.0 °F (1.7 °C), and another quarter of the time, the low temperature is greater than and 43.7 °F (6.5 °C). About 95% of the time, the low temperature has been between 26.8 °F (-2.9 °C) and 51.9 °F (11.1 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 12.6% 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: