December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 34.1 °F (1.2 °C). The lowest recored high temperature was 10.2 °F (-12.1 °C) in 1975 and the highest recored high temperature was 54.0 °F (12.2 °C) in 1977. The high temperature is usually* between 27.2 °F (-2.7 °C) and 41.1 °F (5.0 °C). About a quarter of the time, the high temperature is less than 27.2 °F (-2.7 °C), and another quarter of the time, the high temperature is greater than and 41.1 °F (5.0 °C). About 95% of the time, the high temperature has been between 13.9 °F (-10.1 °C) and 54.3 °F (12.4 °C).

Low Temperatures

On December 18 in this location the average low temperature is 22.6 °F (-5.2 °C). The lowest recored low temperature was -11.0 °F (-23.9 °C) in 1945 and the lowest recored low temperature was 39.9 °F (4.4 °C) in 2017. The low temperature is usually* between 14.4 °F (-9.8 °C) and 30.7 °F (-0.7 °C). About a quarter of the time, the low temperature is less than 14.4 °F (-9.8 °C), and another quarter of the time, the low temperature is greater than and 30.7 °F (-0.7 °C). About 95% of the time, the low temperature has been between -1.1 °F (-18.4 °C) and 46.2 °F (7.9 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 78.3% 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: