December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 65.3 °F (18.5 °C). The lowest recored high temperature was 32.0 °F (0.0 °C) in 2001 and the highest recored high temperature was 87.1 °F (30.6 °C) in 2020. The high temperature is usually* between 59.7 °F (15.4 °C) and 70.8 °F (21.6 °C). About a quarter of the time, the high temperature is less than 59.7 °F (15.4 °C), and another quarter of the time, the high temperature is greater than and 70.8 °F (21.6 °C). About 95% of the time, the high temperature has been between 49.0 °F (9.5 °C) and 81.5 °F (27.5 °C).

Low Temperatures

On December 21 in this location the average low temperature is 42.1 °F (5.6 °C). The lowest recored low temperature was 24.8 °F (-4.0 °C) in 2007 and the lowest recored low temperature was 59.0 °F (15.0 °C) in 2023. The low temperature is usually* between 38.1 °F (3.4 °C) and 46.1 °F (7.9 °C). About a quarter of the time, the low temperature is less than 38.1 °F (3.4 °C), and another quarter of the time, the low temperature is greater than and 46.1 °F (7.9 °C). About 95% of the time, the low temperature has been between 30.4 °F (-0.9 °C) and 53.8 °F (12.1 °C).

Frost

On December 21 in this location expect the temperatures to drop below freezing for a risk of frost about 4.5% 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: