December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 34.9 °F (1.6 °C). The lowest recored high temperature was 9.1 °F (-12.7 °C) in 1985 and the highest recored high temperature was 55.4 °F (13.0 °C) in 2002. The high temperature is usually* between 28.1 °F (-2.2 °C) and 41.7 °F (5.4 °C). About a quarter of the time, the high temperature is less than 28.1 °F (-2.2 °C), and another quarter of the time, the high temperature is greater than and 41.7 °F (5.4 °C). About 95% of the time, the high temperature has been between 15.2 °F (-9.3 °C) and 54.6 °F (12.5 °C).

Low Temperatures

On December 18 in this location the average low temperature is 23.9 °F (-4.5 °C). The lowest recored low temperature was -4.9 °F (-20.5 °C) in 1985 and the lowest recored low temperature was 42.1 °F (5.6 °C) in 2017. The low temperature is usually* between 16.5 °F (-8.6 °C) and 31.2 °F (-0.4 °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 31.2 °F (-0.4 °C). About 95% of the time, the low temperature has been between 2.4 °F (-16.4 °C) and 45.3 °F (7.4 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 77.2% 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: