December 15 - custom location - Weather History and Averages

High Temperatures

On December 15 in this location the average high temperature is 67.6 °F (19.8 °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 62.9 °F (17.2 °C) and 72.3 °F (22.4 °C). About a quarter of the time, the high temperature is less than 62.9 °F (17.2 °C), and another quarter of the time, the high temperature is greater than and 72.3 °F (22.4 °C). About 95% of the time, the high temperature has been between 54.0 °F (12.2 °C) and 81.2 °F (27.3 °C).

Low Temperatures

On December 15 in this location the average low temperature is 44.1 °F (6.7 °C). The lowest recored low temperature was 7.2 °F (-13.8 °C) in 1990 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 1996. The low temperature is usually* between 40.6 °F (4.8 °C) and 47.6 °F (8.7 °C). About a quarter of the time, the low temperature is less than 40.6 °F (4.8 °C), and another quarter of the time, the low temperature is greater than and 47.6 °F (8.7 °C). About 95% of the time, the low temperature has been between 34.0 °F (1.1 °C) and 54.2 °F (12.3 °C).

Frost

On December 15 in this location expect the temperatures to drop below freezing for a risk of frost about 0.9% 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: