December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 67.3 °F (19.6 °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 62.6 °F (17.0 °C) and 72.0 °F (22.2 °C). About a quarter of the time, the high temperature is less than 62.6 °F (17.0 °C), and another quarter of the time, the high temperature is greater than and 72.0 °F (22.2 °C). About 95% of the time, the high temperature has been between 53.7 °F (12.1 °C) and 81.0 °F (27.2 °C).

Low Temperatures

On December 18 in this location the average low temperature is 45.3 °F (7.4 °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 41.9 °F (5.5 °C) and 48.7 °F (9.3 °C). About a quarter of the time, the low temperature is less than 41.9 °F (5.5 °C), and another quarter of the time, the low temperature is greater than and 48.7 °F (9.3 °C). About 95% of the time, the low temperature has been between 35.4 °F (1.9 °C) and 55.1 °F (12.9 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.4% 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: