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 51.1 °F (10.6 °C) in 1967 and the highest recored high temperature was 86.0 °F (30.0 °C) in 1954. The high temperature is usually* between 62.5 °F (16.9 °C) and 71.1 °F (21.7 °C). About a quarter of the time, the high temperature is less than 62.5 °F (16.9 °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 54.2 °F (12.3 °C) and 79.4 °F (26.3 °C).

Low Temperatures

On December 20 in this location the average low temperature is 45.6 °F (7.6 °C). The lowest recored low temperature was 33.1 °F (0.6 °C) in 1978 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 2020. The low temperature is usually* between 42.2 °F (5.7 °C) and 49.1 °F (9.5 °C). About a quarter of the time, the low temperature is less than 42.2 °F (5.7 °C), and another quarter of the time, the low temperature is greater than and 49.1 °F (9.5 °C). About 95% of the time, the low temperature has been between 35.8 °F (2.1 °C) and 55.5 °F (13.1 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 0.3% 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: