December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 66.1 °F (18.9 °C). The lowest recored high temperature was 55.0 °F (12.8 °C) in 1970 and the highest recored high temperature was 82.9 °F (28.3 °C) in 2004. The high temperature is usually* between 62.3 °F (16.9 °C) and 69.8 °F (21.0 °C). About a quarter of the time, the high temperature is less than 62.3 °F (16.9 °C), and another quarter of the time, the high temperature is greater than and 69.8 °F (21.0 °C). About 95% of the time, the high temperature has been between 55.3 °F (12.9 °C) and 76.8 °F (24.9 °C).

Low Temperatures

On December 18 in this location the average low temperature is 49.2 °F (9.6 °C). The lowest recored low temperature was 37.9 °F (3.3 °C) in 2015 and the lowest recored low temperature was 59.7 °F (15.4 °C) in 2013. The low temperature is usually* between 46.6 °F (8.1 °C) and 51.9 °F (11.1 °C). About a quarter of the time, the low temperature is less than 46.6 °F (8.1 °C), and another quarter of the time, the low temperature is greater than and 51.9 °F (11.1 °C). About 95% of the time, the low temperature has been between 41.5 °F (5.3 °C) and 56.9 °F (13.9 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% 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: