December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 33.6 °F (0.9 °C). The lowest recored high temperature was -8.9 °F (-22.7 °C) in 1989 and the highest recored high temperature was 52.0 °F (11.1 °C) in 2015. The high temperature is usually* between 26.9 °F (-2.8 °C) and 40.2 °F (4.6 °C). About a quarter of the time, the high temperature is less than 26.9 °F (-2.8 °C), and another quarter of the time, the high temperature is greater than and 40.2 °F (4.6 °C). About 95% of the time, the high temperature has been between 14.3 °F (-9.9 °C) and 52.9 °F (11.6 °C).

Low Temperatures

On December 21 in this location the average low temperature is 21.9 °F (-5.6 °C). The lowest recored low temperature was -14.8 °F (-26.0 °C) in 1989 and the lowest recored low temperature was 40.8 °F (4.9 °C) in 2015. The low temperature is usually* between 13.5 °F (-10.3 °C) and 30.3 °F (-0.9 °C). About a quarter of the time, the low temperature is less than 13.5 °F (-10.3 °C), and another quarter of the time, the low temperature is greater than and 30.3 °F (-0.9 °C). About 95% of the time, the low temperature has been between -2.6 °F (-19.2 °C) and 46.4 °F (8.0 °C).

Frost

On December 21 in this location expect the temperatures to drop below freezing for a risk of frost about 79.1% 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: