December 21 - custom location - Weather History and Averages

High Temperatures

On December 21 in this location the average high temperature is 35.9 °F (2.2 °C). The lowest recored high temperature was 4.1 °F (-15.5 °C) in 1989 and the highest recored high temperature was 55.4 °F (13.0 °C) in 2015. The high temperature is usually* between 29.1 °F (-1.6 °C) and 42.7 °F (5.9 °C). About a quarter of the time, the high temperature is less than 29.1 °F (-1.6 °C), and another quarter of the time, the high temperature is greater than and 42.7 °F (5.9 °C). About 95% of the time, the high temperature has been between 16.2 °F (-8.8 °C) and 55.6 °F (13.1 °C).

Low Temperatures

On December 21 in this location the average low temperature is 24.0 °F (-4.5 °C). The lowest recored low temperature was -13.9 °F (-25.5 °C) in 1989 and the lowest recored low temperature was 43.2 °F (6.2 °C) in 2015. The low temperature is usually* between 16.0 °F (-8.9 °C) and 32.0 °F (-0.0 °C). About a quarter of the time, the low temperature is less than 16.0 °F (-8.9 °C), and another quarter of the time, the low temperature is greater than and 32.0 °F (-0.0 °C). About 95% of the time, the low temperature has been between 0.8 °F (-17.3 °C) and 47.2 °F (8.4 °C).

Frost

On December 21 in this location expect the temperatures to drop below freezing for a risk of frost about 75.1% 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: