December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 66.8 °F (19.3 °C). The lowest recored high temperature was 50.0 °F (10.0 °C) in 1970 and the highest recored high temperature was 87.1 °F (30.6 °C) in 2024. The high temperature is usually* between 61.2 °F (16.2 °C) and 72.3 °F (22.4 °C). About a quarter of the time, the high temperature is less than 61.2 °F (16.2 °C), and another quarter of the time, the high temperature is greater than and 72.3 °F (22.4 °C). About 95% of the time, the high temperature has been between 50.8 °F (10.4 °C) and 82.8 °F (28.2 °C).

Low Temperatures

On December 18 in this location the average low temperature is 41.4 °F (5.2 °C). The lowest recored low temperature was 22.1 °F (-5.5 °C) in 1968 and the lowest recored low temperature was 63.0 °F (17.2 °C) in 2024. The low temperature is usually* between 37.7 °F (3.1 °C) and 45.2 °F (7.3 °C). About a quarter of the time, the low temperature is less than 37.7 °F (3.1 °C), and another quarter of the time, the low temperature is greater than and 45.2 °F (7.3 °C). About 95% of the time, the low temperature has been between 30.4 °F (-0.9 °C) and 52.4 °F (11.3 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 4.6% 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: