December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 65.1 °F (18.4 °C). The lowest recored high temperature was 32.0 °F (0.0 °C) in 2001 and the highest recored high temperature was 84.2 °F (29.0 °C) in 2020. The high temperature is usually* between 59.6 °F (15.4 °C) and 70.6 °F (21.5 °C). About a quarter of the time, the high temperature is less than 59.6 °F (15.4 °C), and another quarter of the time, the high temperature is greater than and 70.6 °F (21.5 °C). About 95% of the time, the high temperature has been between 49.2 °F (9.6 °C) and 81.1 °F (27.3 °C).

Low Temperatures

On December 21 in this location the average low temperature is 44.5 °F (6.9 °C). The lowest recored low temperature was 24.8 °F (-4.0 °C) in 2007 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 1999. The low temperature is usually* between 40.5 °F (4.7 °C) and 48.5 °F (9.1 °C). About a quarter of the time, the low temperature is less than 40.5 °F (4.7 °C), and another quarter of the time, the low temperature is greater than and 48.5 °F (9.1 °C). About 95% of the time, the low temperature has been between 32.8 °F (0.5 °C) and 56.1 °F (13.4 °C).

Frost

On December 21 in this location expect the temperatures to drop below freezing for a risk of frost about 1.8% 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: