December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 66.7 °F (19.3 °C). The lowest recored high temperature was 54.0 °F (12.2 °C) in 1967 and the highest recored high temperature was 86.0 °F (30.0 °C) in 1985. The high temperature is usually* between 62.0 °F (16.7 °C) and 71.3 °F (21.8 °C). About a quarter of the time, the high temperature is less than 62.0 °F (16.7 °C), and another quarter of the time, the high temperature is greater than and 71.3 °F (21.8 °C). About 95% of the time, the high temperature has been between 53.2 °F (11.8 °C) and 80.1 °F (26.7 °C).

Low Temperatures

On December 20 in this location the average low temperature is 42.7 °F (5.9 °C). The lowest recored low temperature was 28.9 °F (-1.7 °C) in 2022 and the lowest recored low temperature was 66.0 °F (18.9 °C) in 2023. The low temperature is usually* between 38.3 °F (3.5 °C) and 47.1 °F (8.4 °C). About a quarter of the time, the low temperature is less than 38.3 °F (3.5 °C), and another quarter of the time, the low temperature is greater than and 47.1 °F (8.4 °C). About 95% of the time, the low temperature has been between 29.9 °F (-1.2 °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 5.1% 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: