December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 65.1 °F (18.4 °C). The lowest recored high temperature was 44.1 °F (6.7 °C) in 1978 and the highest recored high temperature was 84.0 °F (28.9 °C) in 2013. The high temperature is usually* between 59.4 °F (15.2 °C) and 70.8 °F (21.6 °C). About a quarter of the time, the high temperature is less than 59.4 °F (15.2 °C), and another quarter of the time, the high temperature is greater than and 70.8 °F (21.6 °C). About 95% of the time, the high temperature has been between 48.5 °F (9.1 °C) and 81.7 °F (27.6 °C).

Low Temperatures

On December 18 in this location the average low temperature is 40.5 °F (4.7 °C). The lowest recored low temperature was 22.1 °F (-5.5 °C) in 1968 and the lowest recored low temperature was 55.9 °F (13.3 °C) in 1950. The low temperature is usually* between 36.0 °F (2.2 °C) and 44.9 °F (7.2 °C). About a quarter of the time, the low temperature is less than 36.0 °F (2.2 °C), and another quarter of the time, the low temperature is greater than and 44.9 °F (7.2 °C). About 95% of the time, the low temperature has been between 27.6 °F (-2.4 °C) and 53.4 °F (11.9 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 9.8% 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: