December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 66.7 °F (19.3 °C). The lowest recored high temperature was 52.0 °F (11.1 °C) in 1990 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2020. The high temperature is usually* between 62.4 °F (16.9 °C) and 70.9 °F (21.6 °C). About a quarter of the time, the high temperature is less than 62.4 °F (16.9 °C), and another quarter of the time, the high temperature is greater than and 70.9 °F (21.6 °C). About 95% of the time, the high temperature has been between 54.4 °F (12.4 °C) and 78.9 °F (26.1 °C).

Low Temperatures

On December 21 in this location the average low temperature is 44.6 °F (7.0 °C). The lowest recored low temperature was 26.6 °F (-3.0 °C) in 2006 and the lowest recored low temperature was 60.1 °F (15.6 °C) in 1960. The low temperature is usually* between 40.8 °F (4.9 °C) and 48.4 °F (9.1 °C). About a quarter of the time, the low temperature is less than 40.8 °F (4.9 °C), and another quarter of the time, the low temperature is greater than and 48.4 °F (9.1 °C). About 95% of the time, the low temperature has been between 33.5 °F (0.8 °C) and 55.7 °F (13.2 °C).

Frost

On December 21 in this location expect the temperatures to drop below freezing for a risk of frost about 1.3% 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: