December 15 - custom location - Weather History and Averages

High Temperatures

On December 15 in this location the average high temperature is 38.2 °F (3.4 °C). The lowest recored high temperature was 12.9 °F (-10.6 °C) in 1958 and the highest recored high temperature was 64.9 °F (18.3 °C) in 1975. The high temperature is usually* between 30.9 °F (-0.6 °C) and 45.4 °F (7.5 °C). About a quarter of the time, the high temperature is less than 30.9 °F (-0.6 °C), and another quarter of the time, the high temperature is greater than and 45.4 °F (7.5 °C). About 95% of the time, the high temperature has been between 17.1 °F (-8.3 °C) and 59.2 °F (15.1 °C).

Low Temperatures

On December 15 in this location the average low temperature is 23.6 °F (-4.7 °C). The lowest recored low temperature was -2.0 °F (-18.9 °C) in 1958 and the lowest recored low temperature was 44.1 °F (6.7 °C) in 2021. The low temperature is usually* between 16.5 °F (-8.6 °C) and 30.8 °F (-0.7 °C). About a quarter of the time, the low temperature is less than 16.5 °F (-8.6 °C), and another quarter of the time, the low temperature is greater than and 30.8 °F (-0.7 °C). About 95% of the time, the low temperature has been between 2.8 °F (-16.2 °C) and 44.4 °F (6.9 °C).

Frost

On December 15 in this location expect the temperatures to drop below freezing for a risk of frost about 78.6% 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: