December 15 - custom location - Weather History and Averages

High Temperatures

On December 15 in this location the average high temperature is 39.6 °F (4.2 °C). The lowest recored high temperature was 9.0 °F (-12.8 °C) in 2016 and the highest recored high temperature was 75.0 °F (23.9 °C) in 1988. The high temperature is usually* between 32.4 °F (0.2 °C) and 46.9 °F (8.3 °C). About a quarter of the time, the high temperature is less than 32.4 °F (0.2 °C), and another quarter of the time, the high temperature is greater than and 46.9 °F (8.3 °C). About 95% of the time, the high temperature has been between 18.7 °F (-7.4 °C) and 60.6 °F (15.9 °C).

Low Temperatures

On December 15 in this location the average low temperature is 26.6 °F (-3.0 °C). The lowest recored low temperature was -11.6 °F (-24.2 °C) in 2010 and the lowest recored low temperature was 66.9 °F (19.4 °C) in 1987. The low temperature is usually* between 18.8 °F (-7.3 °C) and 34.3 °F (1.3 °C). About a quarter of the time, the low temperature is less than 18.8 °F (-7.3 °C), and another quarter of the time, the low temperature is greater than and 34.3 °F (1.3 °C). About 95% of the time, the low temperature has been between 4.2 °F (-15.5 °C) and 49.0 °F (9.4 °C).

Frost

On December 15 in this location expect the temperatures to drop below freezing for a risk of frost about 68.3% 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: