December 15 - custom location - Weather History and Averages

High Temperatures

On December 15 in this location the average high temperature is 38.7 °F (3.7 °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 31.2 °F (-0.4 °C) and 46.1 °F (7.8 °C). About a quarter of the time, the high temperature is less than 31.2 °F (-0.4 °C), and another quarter of the time, the high temperature is greater than and 46.1 °F (7.8 °C). About 95% of the time, the high temperature has been between 17.0 °F (-8.3 °C) and 60.3 °F (15.7 °C).

Low Temperatures

On December 15 in this location the average low temperature is 27.1 °F (-2.7 °C). The lowest recored low temperature was -0.8 °F (-18.2 °C) in 2016 and the lowest recored low temperature was 47.7 °F (8.7 °C) in 2021. The low temperature is usually* between 19.3 °F (-7.0 °C) and 34.8 °F (1.6 °C). About a quarter of the time, the low temperature is less than 19.3 °F (-7.0 °C), and another quarter of the time, the low temperature is greater than and 34.8 °F (1.6 °C). About 95% of the time, the low temperature has been between 4.6 °F (-15.2 °C) and 49.5 °F (9.7 °C).

Frost

On December 15 in this location expect the temperatures to drop below freezing for a risk of frost about 66.7% 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: