December 15 - custom location - Weather History and Averages

High Temperatures

On December 15 in this location the average high temperature is 37.2 °F (2.9 °C). The lowest recored high temperature was 9.0 °F (-12.8 °C) in 2016 and the highest recored high temperature was 66.9 °F (19.4 °C) in 2021. The high temperature is usually* between 30.6 °F (-0.8 °C) and 43.9 °F (6.6 °C). About a quarter of the time, the high temperature is less than 30.6 °F (-0.8 °C), and another quarter of the time, the high temperature is greater than and 43.9 °F (6.6 °C). About 95% of the time, the high temperature has been between 17.9 °F (-7.9 °C) and 56.6 °F (13.7 °C).

Low Temperatures

On December 15 in this location the average low temperature is 25.0 °F (-3.9 °C). The lowest recored low temperature was -7.8 °F (-22.1 °C) in 1989 and the lowest recored low temperature was 48.9 °F (9.4 °C) in 2021. The low temperature is usually* between 17.5 °F (-8.0 °C) and 32.5 °F (0.3 °C). About a quarter of the time, the low temperature is less than 17.5 °F (-8.0 °C), and another quarter of the time, the low temperature is greater than and 32.5 °F (0.3 °C). About 95% of the time, the low temperature has been between 3.2 °F (-16.0 °C) and 46.8 °F (8.2 °C).

Frost

On December 15 in this location expect the temperatures to drop below freezing for a risk of frost about 73.6% 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: