December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 66.9 °F (19.4 °C). The lowest recored high temperature was 48.2 °F (9.0 °C) in 2007 and the highest recored high temperature was 84.9 °F (29.4 °C) in 2020. The high temperature is usually* between 61.9 °F (16.6 °C) and 71.8 °F (22.1 °C). About a quarter of the time, the high temperature is less than 61.9 °F (16.6 °C), and another quarter of the time, the high temperature is greater than and 71.8 °F (22.1 °C). About 95% of the time, the high temperature has been between 52.6 °F (11.4 °C) and 81.2 °F (27.3 °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 28.0 °F (-2.2 °C) in 1948 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 1999. The low temperature is usually* between 40.9 °F (4.9 °C) and 48.4 °F (9.1 °C). About a quarter of the time, the low temperature is less than 40.9 °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 33.7 °F (1.0 °C) and 55.6 °F (13.1 °C).

Frost

On December 21 in this location expect the temperatures to drop below freezing for a risk of frost about 1.2% 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: