December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 37.2 °F (2.9 °C). The lowest recored high temperature was 22.1 °F (-5.5 °C) in 1980 and the highest recored high temperature was 54.0 °F (12.2 °C) in 2015. The high temperature is usually* between 31.5 °F (-0.3 °C) and 43.0 °F (6.1 °C). About a quarter of the time, the high temperature is less than 31.5 °F (-0.3 °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 20.7 °F (-6.3 °C) and 53.8 °F (12.1 °C).

Low Temperatures

On December 21 in this location the average low temperature is 26.4 °F (-3.1 °C). The lowest recored low temperature was -0.6 °F (-18.1 °C) in 2008 and the lowest recored low temperature was 42.6 °F (5.9 °C) in 2015. The low temperature is usually* between 19.6 °F (-6.9 °C) and 33.2 °F (0.7 °C). About a quarter of the time, the low temperature is less than 19.6 °F (-6.9 °C), and another quarter of the time, the low temperature is greater than and 33.2 °F (0.7 °C). About 95% of the time, the low temperature has been between 6.6 °F (-14.1 °C) and 46.2 °F (7.9 °C).

Frost

On December 21 in this location expect the temperatures to drop below freezing for a risk of frost about 71.0% 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: