December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 35.1 °F (1.7 °C). The lowest recored high temperature was 16.2 °F (-8.8 °C) in 1989 and the highest recored high temperature was 52.0 °F (11.1 °C) in 2023. The high temperature is usually* between 29.3 °F (-1.5 °C) and 40.8 °F (4.9 °C). About a quarter of the time, the high temperature is less than 29.3 °F (-1.5 °C), and another quarter of the time, the high temperature is greater than and 40.8 °F (4.9 °C). About 95% of the time, the high temperature has been between 18.4 °F (-7.5 °C) and 51.7 °F (11.0 °C).

Low Temperatures

On December 18 in this location the average low temperature is 23.5 °F (-4.7 °C). The lowest recored low temperature was 2.1 °F (-16.6 °C) in 1989 and the lowest recored low temperature was 41.0 °F (5.0 °C) in 2001. The low temperature is usually* between 16.5 °F (-8.6 °C) and 30.4 °F (-0.9 °C). About a quarter of the time, the low temperature is less than 16.5 °F (-8.6 °C), and another quarter of the time, the low temperature is greater than and 30.4 °F (-0.9 °C). About 95% of the time, the low temperature has been between 3.4 °F (-15.9 °C) and 43.5 °F (6.4 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 79.8% 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: