December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 65.9 °F (18.8 °C). The lowest recored high temperature was 46.0 °F (7.8 °C) in 1967 and the highest recored high temperature was 82.9 °F (28.3 °C) in 2020. The high temperature is usually* between 61.7 °F (16.5 °C) and 70.1 °F (21.2 °C). About a quarter of the time, the high temperature is less than 61.7 °F (16.5 °C), and another quarter of the time, the high temperature is greater than and 70.1 °F (21.2 °C). About 95% of the time, the high temperature has been between 53.8 °F (12.1 °C) and 78.1 °F (25.6 °C).

Low Temperatures

On December 21 in this location the average low temperature is 46.9 °F (8.3 °C). The lowest recored low temperature was 32.0 °F (0.0 °C) in 1968 and the lowest recored low temperature was 66.0 °F (18.9 °C) in 1980. The low temperature is usually* between 43.8 °F (6.5 °C) and 50.1 °F (10.0 °C). About a quarter of the time, the low temperature is less than 43.8 °F (6.5 °C), and another quarter of the time, the low temperature is greater than and 50.1 °F (10.0 °C). About 95% of the time, the low temperature has been between 37.8 °F (3.2 °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 0.1% 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: