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 54.0 °F (12.2 °C) in 1987 and the highest recored high temperature was 87.1 °F (30.6 °C) in 1976. The high temperature is usually* between 63.0 °F (17.2 °C) and 72.1 °F (22.3 °C). About a quarter of the time, the high temperature is less than 63.0 °F (17.2 °C), and another quarter of the time, the high temperature is greater than and 72.1 °F (22.3 °C). About 95% of the time, the high temperature has been between 54.3 °F (12.4 °C) and 80.8 °F (27.1 °C).

Low Temperatures

On December 15 in this location the average low temperature is 46.3 °F (7.9 °C). The lowest recored low temperature was 25.0 °F (-3.9 °C) in 2021 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 1996. The low temperature is usually* between 43.2 °F (6.2 °C) and 49.3 °F (9.6 °C). About a quarter of the time, the low temperature is less than 43.2 °F (6.2 °C), and another quarter of the time, the low temperature is greater than and 49.3 °F (9.6 °C). About 95% of the time, the low temperature has been between 37.4 °F (3.0 °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 0.1% 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: