December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 36.2 °F (2.3 °C). The lowest recored high temperature was 14.0 °F (-10.0 °C) in 1999 and the highest recored high temperature was 54.0 °F (12.2 °C) in 2015. The high temperature is usually* between 29.4 °F (-1.5 °C) and 43.0 °F (6.1 °C). About a quarter of the time, the high temperature is less than 29.4 °F (-1.5 °C), and another quarter of the time, the high temperature is greater than and 43.0 °F (6.1 °C). About 95% of the time, the high temperature has been between 16.4 °F (-8.7 °C) and 55.9 °F (13.3 °C).

Low Temperatures

On December 21 in this location the average low temperature is 22.8 °F (-5.1 °C). The lowest recored low temperature was -5.1 °F (-20.6 °C) in 2008 and the lowest recored low temperature was 42.3 °F (5.7 °C) in 2015. The low temperature is usually* between 14.5 °F (-9.7 °C) and 31.1 °F (-0.5 °C). About a quarter of the time, the low temperature is less than 14.5 °F (-9.7 °C), and another quarter of the time, the low temperature is greater than and 31.1 °F (-0.5 °C). About 95% of the time, the low temperature has been between -1.2 °F (-18.5 °C) and 46.9 °F (8.3 °C).

Frost

On December 21 in this location expect the temperatures to drop below freezing for a risk of frost about 77.3% 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: