December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 65.5 °F (18.6 °C). The lowest recored high temperature was 32.0 °F (0.0 °C) in 2001 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2020. The high temperature is usually* between 61.0 °F (16.1 °C) and 70.0 °F (21.1 °C). About a quarter of the time, the high temperature is less than 61.0 °F (16.1 °C), and another quarter of the time, the high temperature is greater than and 70.0 °F (21.1 °C). About 95% of the time, the high temperature has been between 52.5 °F (11.4 °C) and 78.6 °F (25.9 °C).

Low Temperatures

On December 21 in this location the average low temperature is 46.1 °F (7.8 °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 42.8 °F (6.0 °C) and 49.4 °F (9.7 °C). About a quarter of the time, the low temperature is less than 42.8 °F (6.0 °C), and another quarter of the time, the low temperature is greater than and 49.4 °F (9.7 °C). About 95% of the time, the low temperature has been between 36.5 °F (2.5 °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 0.2% 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: