December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 34.4 °F (1.3 °C). The lowest recored high temperature was 8.2 °F (-13.2 °C) in 1983 and the highest recored high temperature was 60.1 °F (15.6 °C) in 1977. The high temperature is usually* between 27.3 °F (-2.6 °C) and 41.5 °F (5.3 °C). About a quarter of the time, the high temperature is less than 27.3 °F (-2.6 °C), and another quarter of the time, the high temperature is greater than and 41.5 °F (5.3 °C). About 95% of the time, the high temperature has been between 13.8 °F (-10.1 °C) and 55.0 °F (12.8 °C).

Low Temperatures

On December 18 in this location the average low temperature is 21.3 °F (-5.9 °C). The lowest recored low temperature was -11.0 °F (-23.9 °C) in 1945 and the lowest recored low temperature was 42.1 °F (5.6 °C) in 2017. The low temperature is usually* between 13.1 °F (-10.5 °C) and 29.5 °F (-1.4 °C). About a quarter of the time, the low temperature is less than 13.1 °F (-10.5 °C), and another quarter of the time, the low temperature is greater than and 29.5 °F (-1.4 °C). About 95% of the time, the low temperature has been between -2.4 °F (-19.1 °C) and 45.0 °F (7.2 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 81.1% 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: