December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 34.2 °F (1.2 °C). The lowest recored high temperature was 1.2 °F (-17.1 °C) in 1989 and the highest recored high temperature was 61.3 °F (16.3 °C) in 1967. The high temperature is usually* between 27.1 °F (-2.7 °C) and 41.3 °F (5.2 °C). About a quarter of the time, the high temperature is less than 27.1 °F (-2.7 °C), and another quarter of the time, the high temperature is greater than and 41.3 °F (5.2 °C). About 95% of the time, the high temperature has been between 13.5 °F (-10.3 °C) and 54.9 °F (12.7 °C).

Low Temperatures

On December 21 in this location the average low temperature is 19.6 °F (-6.9 °C). The lowest recored low temperature was -15.9 °F (-26.6 °C) in 1989 and the lowest recored low temperature was 42.1 °F (5.6 °C) in 2015. The low temperature is usually* between 11.2 °F (-11.6 °C) and 28.0 °F (-2.2 °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 28.0 °F (-2.2 °C). About 95% of the time, the low temperature has been between -4.9 °F (-20.5 °C) and 44.1 °F (6.7 °C).

Frost

On December 21 in this location expect the temperatures to drop below freezing for a risk of frost about 84.0% 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: