December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 32.5 °F (0.3 °C). The lowest recored high temperature was 6.1 °F (-14.4 °C) in 1989 and the highest recored high temperature was 55.9 °F (13.3 °C) in 1967. The high temperature is usually* between 26.1 °F (-3.3 °C) and 38.9 °F (3.8 °C). About a quarter of the time, the high temperature is less than 26.1 °F (-3.3 °C), and another quarter of the time, the high temperature is greater than and 38.9 °F (3.8 °C). About 95% of the time, the high temperature has been between 13.9 °F (-10.0 °C) and 51.1 °F (10.6 °C).

Low Temperatures

On December 21 in this location the average low temperature is 19.2 °F (-7.1 °C). The lowest recored low temperature was -15.0 °F (-26.1 °C) in 1989 and the lowest recored low temperature was 39.9 °F (4.4 °C) in 2023. The low temperature is usually* between 11.2 °F (-11.6 °C) and 27.2 °F (-2.7 °C). About a quarter of the time, the low temperature is less than 11.2 °F (-11.6 °C), and another quarter of the time, the low temperature is greater than and 27.2 °F (-2.7 °C). About 95% of the time, the low temperature has been between -4.1 °F (-20.1 °C) and 42.4 °F (5.8 °C).

Frost

On December 21 in this location expect the temperatures to drop below freezing for a risk of frost about 86.0% 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: