December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 67.8 °F (19.9 °C). The lowest recored high temperature was 54.9 °F (12.7 °C) in 2008 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2024. The high temperature is usually* between 62.8 °F (17.1 °C) and 72.9 °F (22.7 °C). About a quarter of the time, the high temperature is less than 62.8 °F (17.1 °C), and another quarter of the time, the high temperature is greater than and 72.9 °F (22.7 °C). About 95% of the time, the high temperature has been between 53.2 °F (11.8 °C) and 82.5 °F (28.1 °C).

Low Temperatures

On December 18 in this location the average low temperature is 42.9 °F (6.1 °C). The lowest recored low temperature was 28.9 °F (-1.7 °C) in 2015 and the lowest recored low temperature was 61.0 °F (16.1 °C) in 2023. The low temperature is usually* between 39.0 °F (3.9 °C) and 46.9 °F (8.3 °C). About a quarter of the time, the low temperature is less than 39.0 °F (3.9 °C), and another quarter of the time, the low temperature is greater than and 46.9 °F (8.3 °C). About 95% of the time, the low temperature has been between 31.4 °F (-0.3 °C) and 54.4 °F (12.4 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 3.1% 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: