December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 66.6 °F (19.2 °C). The lowest recored high temperature was 53.6 °F (12.0 °C) in 2008 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2000. The high temperature is usually* between 62.4 °F (16.9 °C) and 70.9 °F (21.6 °C). About a quarter of the time, the high temperature is less than 62.4 °F (16.9 °C), and another quarter of the time, the high temperature is greater than and 70.9 °F (21.6 °C). About 95% of the time, the high temperature has been between 54.4 °F (12.4 °C) and 78.9 °F (26.1 °C).

Low Temperatures

On December 18 in this location the average low temperature is 46.9 °F (8.3 °C). The lowest recored low temperature was 24.1 °F (-4.4 °C) in 2015 and the lowest recored low temperature was 61.0 °F (16.1 °C) in 2023. The low temperature is usually* between 43.9 °F (6.6 °C) and 49.9 °F (10.0 °C). About a quarter of the time, the low temperature is less than 43.9 °F (6.6 °C), and another quarter of the time, the low temperature is greater than and 49.9 °F (10.0 °C). About 95% of the time, the low temperature has been between 38.2 °F (3.4 °C) and 55.7 °F (13.1 °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: