December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 66.3 °F (19.0 °C). The lowest recored high temperature was 51.1 °F (10.6 °C) in 1990 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2020. The high temperature is usually* between 62.2 °F (16.8 °C) and 70.3 °F (21.3 °C). About a quarter of the time, the high temperature is less than 62.2 °F (16.8 °C), and another quarter of the time, the high temperature is greater than and 70.3 °F (21.3 °C). About 95% of the time, the high temperature has been between 54.5 °F (12.5 °C) and 78.1 °F (25.6 °C).

Low Temperatures

On December 21 in this location the average low temperature is 46.4 °F (8.0 °C). The lowest recored low temperature was 28.0 °F (-2.2 °C) in 1968 and the lowest recored low temperature was 62.6 °F (17.0 °C) in 2020. The low temperature is usually* between 43.1 °F (6.2 °C) and 49.7 °F (9.9 °C). About a quarter of the time, the low temperature is less than 43.1 °F (6.2 °C), and another quarter of the time, the low temperature is greater than and 49.7 °F (9.9 °C). About 95% of the time, the low temperature has been between 36.7 °F (2.6 °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 0.2% 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: