December 15 - custom location - Weather History and Averages

High Temperatures

On December 15 in this location the average high temperature is 67.8 °F (19.9 °C). The lowest recored high temperature was 47.8 °F (8.8 °C) in 1987 and the highest recored high temperature was 87.1 °F (30.6 °C) in 1976. The high temperature is usually* between 63.1 °F (17.3 °C) and 72.5 °F (22.5 °C). About a quarter of the time, the high temperature is less than 63.1 °F (17.3 °C), and another quarter of the time, the high temperature is greater than and 72.5 °F (22.5 °C). About 95% of the time, the high temperature has been between 54.2 °F (12.3 °C) and 81.4 °F (27.5 °C).

Low Temperatures

On December 15 in this location the average low temperature is 44.5 °F (6.9 °C). The lowest recored low temperature was 24.1 °F (-4.4 °C) in 2015 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 1996. The low temperature is usually* between 40.8 °F (4.9 °C) and 48.1 °F (9.0 °C). About a quarter of the time, the low temperature is less than 40.8 °F (4.9 °C), and another quarter of the time, the low temperature is greater than and 48.1 °F (9.0 °C). About 95% of the time, the low temperature has been between 33.8 °F (1.0 °C) and 55.1 °F (12.8 °C).

Frost

On December 15 in this location expect the temperatures to drop below freezing for a risk of frost about 1.1% 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: