December 15 - custom location - Weather History and Averages

High Temperatures

On December 15 in this location the average high temperature is 38.9 °F (3.8 °C). The lowest recored high temperature was 6.3 °F (-14.3 °C) in 1989 and the highest recored high temperature was 64.4 °F (18.0 °C) in 2021. The high temperature is usually* between 32.1 °F (0.1 °C) and 45.6 °F (7.6 °C). About a quarter of the time, the high temperature is less than 32.1 °F (0.1 °C), and another quarter of the time, the high temperature is greater than and 45.6 °F (7.6 °C). About 95% of the time, the high temperature has been between 19.2 °F (-7.1 °C) and 58.5 °F (14.7 °C).

Low Temperatures

On December 15 in this location the average low temperature is 27.4 °F (-2.6 °C). The lowest recored low temperature was -7.1 °F (-21.7 °C) in 2010 and the lowest recored low temperature was 47.7 °F (8.7 °C) in 2021. The low temperature is usually* between 20.3 °F (-6.5 °C) and 34.4 °F (1.4 °C). About a quarter of the time, the low temperature is less than 20.3 °F (-6.5 °C), and another quarter of the time, the low temperature is greater than and 34.4 °F (1.4 °C). About 95% of the time, the low temperature has been between 6.9 °F (-14.0 °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 67.1% 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: