December 15 - custom location - Weather History and Averages

High Temperatures

On December 15 in this location the average high temperature is 37.0 °F (2.8 °C). The lowest recored high temperature was 6.3 °F (-14.3 °C) in 1989 and the highest recored high temperature was 66.0 °F (18.9 °C) in 2021. The high temperature is usually* between 29.6 °F (-1.3 °C) and 44.4 °F (6.9 °C). About a quarter of the time, the high temperature is less than 29.6 °F (-1.3 °C), and another quarter of the time, the high temperature is greater than and 44.4 °F (6.9 °C). About 95% of the time, the high temperature has been between 15.5 °F (-9.2 °C) and 58.4 °F (14.7 °C).

Low Temperatures

On December 15 in this location the average low temperature is 24.9 °F (-3.9 °C). The lowest recored low temperature was -7.1 °F (-21.7 °C) in 1958 and the lowest recored low temperature was 51.1 °F (10.6 °C) in 2021. The low temperature is usually* between 17.0 °F (-8.3 °C) and 32.8 °F (0.5 °C). About a quarter of the time, the low temperature is less than 17.0 °F (-8.3 °C), and another quarter of the time, the low temperature is greater than and 32.8 °F (0.5 °C). About 95% of the time, the low temperature has been between 2.0 °F (-16.7 °C) and 47.9 °F (8.8 °C).

Frost

On December 15 in this location expect the temperatures to drop below freezing for a risk of frost about 72.8% 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: