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 48.9 °F (9.4 °C) in 1994 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2024. The high temperature is usually* between 62.7 °F (17.1 °C) and 71.8 °F (22.1 °C). About a quarter of the time, the high temperature is less than 62.7 °F (17.1 °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 54.2 °F (12.3 °C) and 80.3 °F (26.9 °C).

Low Temperatures

On December 18 in this location the average low temperature is 46.5 °F (8.1 °C). The lowest recored low temperature was 14.9 °F (-9.5 °C) in 1994 and the lowest recored low temperature was 63.0 °F (17.2 °C) in 1995. The low temperature is usually* between 43.4 °F (6.3 °C) and 49.6 °F (9.8 °C). About a quarter of the time, the low temperature is less than 43.4 °F (6.3 °C), and another quarter of the time, the low temperature is greater than and 49.6 °F (9.8 °C). About 95% of the time, the low temperature has been between 37.5 °F (3.1 °C) and 55.5 °F (13.1 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.1% 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: