December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 33.2 °F (0.7 °C). The lowest recored high temperature was 10.0 °F (-12.2 °C) in 1983 and the highest recored high temperature was 54.0 °F (12.2 °C) in 2002. The high temperature is usually* between 26.6 °F (-3.0 °C) and 39.8 °F (4.3 °C). About a quarter of the time, the high temperature is less than 26.6 °F (-3.0 °C), and another quarter of the time, the high temperature is greater than and 39.8 °F (4.3 °C). About 95% of the time, the high temperature has been between 14.1 °F (-9.9 °C) and 52.3 °F (11.3 °C).

Low Temperatures

On December 18 in this location the average low temperature is 21.5 °F (-5.8 °C). The lowest recored low temperature was -7.1 °F (-21.7 °C) in 2016 and the lowest recored low temperature was 38.5 °F (3.6 °C) in 2009. The low temperature is usually* between 14.0 °F (-10.0 °C) and 29.0 °F (-1.6 °C). About a quarter of the time, the low temperature is less than 14.0 °F (-10.0 °C), and another quarter of the time, the low temperature is greater than and 29.0 °F (-1.6 °C). About 95% of the time, the low temperature has been between -0.3 °F (-17.9 °C) and 43.3 °F (6.3 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 82.6% 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: