December 20 - custom location - Weather History and Averages

High Temperatures

On December 20 in this location the average high temperature is 60.6 °F (15.9 °C). The lowest recored high temperature was 46.0 °F (7.8 °C) in 1949 and the highest recored high temperature was 77.0 °F (25.0 °C) in 2024. The high temperature is usually* between 55.2 °F (12.9 °C) and 66.0 °F (18.9 °C). About a quarter of the time, the high temperature is less than 55.2 °F (12.9 °C), and another quarter of the time, the high temperature is greater than and 66.0 °F (18.9 °C). About 95% of the time, the high temperature has been between 44.9 °F (7.1 °C) and 76.3 °F (24.6 °C).

Low Temperatures

On December 20 in this location the average low temperature is 49.8 °F (9.9 °C). The lowest recored low temperature was 39.0 °F (3.9 °C) in 1949 and the lowest recored low temperature was 61.0 °F (16.1 °C) in 2024. The low temperature is usually* between 45.9 °F (7.7 °C) and 53.7 °F (12.1 °C). About a quarter of the time, the low temperature is less than 45.9 °F (7.7 °C), and another quarter of the time, the low temperature is greater than and 53.7 °F (12.1 °C). About 95% of the time, the low temperature has been between 38.5 °F (3.6 °C) and 61.1 °F (16.2 °C).

Frost

On December 20 in this location expect the temperatures to drop below freezing for a risk of frost about 0.1% 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: