December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 67.0 °F (19.5 °C). The lowest recored high temperature was 51.1 °F (10.6 °C) in 1984 and the highest recored high temperature was 90.0 °F (32.2 °C) in 2017. The high temperature is usually* between 62.3 °F (16.8 °C) and 71.8 °F (22.1 °C). About a quarter of the time, the high temperature is less than 62.3 °F (16.8 °C), and another quarter of the time, the high temperature is greater than and 71.8 °F (22.1 °C). About 95% of the time, the high temperature has been between 53.1 °F (11.7 °C) and 81.0 °F (27.2 °C).

Low Temperatures

On December 18 in this location the average low temperature is 46.8 °F (8.2 °C). The lowest recored low temperature was 33.4 °F (0.8 °C) in 1948 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 2024. The low temperature is usually* between 43.8 °F (6.6 °C) and 49.8 °F (9.9 °C). About a quarter of the time, the low temperature is less than 43.8 °F (6.6 °C), and another quarter of the time, the low temperature is greater than and 49.8 °F (9.9 °C). About 95% of the time, the low temperature has been between 38.0 °F (3.4 °C) and 55.6 °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: