December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 66.4 °F (19.1 °C). The lowest recored high temperature was 55.0 °F (12.8 °C) in 1984 and the highest recored high temperature was 86.0 °F (30.0 °C) in 2000. The high temperature is usually* between 62.3 °F (16.8 °C) and 70.4 °F (21.3 °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 70.4 °F (21.3 °C). About 95% of the time, the high temperature has been between 54.5 °F (12.5 °C) and 78.2 °F (25.7 °C).

Low Temperatures

On December 18 in this location the average low temperature is 47.3 °F (8.5 °C). The lowest recored low temperature was 1.0 °F (-17.2 °C) in 2023 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 2000. The low temperature is usually* between 44.6 °F (7.0 °C) and 50.0 °F (10.0 °C). About a quarter of the time, the low temperature is less than 44.6 °F (7.0 °C), and another quarter of the time, the low temperature is greater than and 50.0 °F (10.0 °C). About 95% of the time, the low temperature has been between 39.4 °F (4.1 °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 0.0% 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: