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 14.2 °F (-9.9 °C) in 1989 and the highest recored high temperature was 61.0 °F (16.1 °C) in 1975. The high temperature is usually* between 30.6 °F (-0.8 °C) and 43.5 °F (6.4 °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 43.5 °F (6.4 °C). About 95% of the time, the high temperature has been between 18.4 °F (-7.6 °C) and 55.7 °F (13.2 °C).

Low Temperatures

On December 15 in this location the average low temperature is 25.6 °F (-3.6 °C). The lowest recored low temperature was -0.4 °F (-18.0 °C) in 2017 and the lowest recored low temperature was 47.1 °F (8.4 °C) in 2011. The low temperature is usually* between 19.4 °F (-7.0 °C) and 31.7 °F (-0.1 °C). About a quarter of the time, the low temperature is less than 19.4 °F (-7.0 °C), and another quarter of the time, the low temperature is greater than and 31.7 °F (-0.1 °C). About 95% of the time, the low temperature has been between 7.7 °F (-13.5 °C) and 43.5 °F (6.4 °C).

Frost

On December 15 in this location expect the temperatures to drop below freezing for a risk of frost about 75.9% 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: