December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 35.4 °F (1.9 °C). The lowest recored high temperature was 16.0 °F (-8.9 °C) in 1989 and the highest recored high temperature was 60.1 °F (15.6 °C) in 1967. The high temperature is usually* between 28.9 °F (-1.7 °C) and 41.9 °F (5.5 °C). About a quarter of the time, the high temperature is less than 28.9 °F (-1.7 °C), and another quarter of the time, the high temperature is greater than and 41.9 °F (5.5 °C). About 95% of the time, the high temperature has been between 16.6 °F (-8.6 °C) and 54.3 °F (12.4 °C).

Low Temperatures

On December 21 in this location the average low temperature is 21.4 °F (-5.9 °C). The lowest recored low temperature was -5.1 °F (-20.6 °C) in 2016 and the lowest recored low temperature was 48.9 °F (9.4 °C) in 1949. The low temperature is usually* between 14.1 °F (-10.0 °C) and 28.7 °F (-1.8 °C). About a quarter of the time, the low temperature is less than 14.1 °F (-10.0 °C), and another quarter of the time, the low temperature is greater than and 28.7 °F (-1.8 °C). About 95% of the time, the low temperature has been between 0.1 °F (-17.7 °C) and 42.6 °F (5.9 °C).

Frost

On December 21 in this location expect the temperatures to drop below freezing for a risk of frost about 83.7% 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: