December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 33.9 °F (1.0 °C). The lowest recored high temperature was 14.2 °F (-9.9 °C) in 1975 and the highest recored high temperature was 48.2 °F (9.0 °C) in 2006. The high temperature is usually* between 28.0 °F (-2.2 °C) and 39.7 °F (4.3 °C). About a quarter of the time, the high temperature is less than 28.0 °F (-2.2 °C), and another quarter of the time, the high temperature is greater than and 39.7 °F (4.3 °C). About 95% of the time, the high temperature has been between 16.9 °F (-8.4 °C) and 50.8 °F (10.5 °C).

Low Temperatures

On December 18 in this location the average low temperature is 22.4 °F (-5.3 °C). The lowest recored low temperature was 1.4 °F (-17.0 °C) in 2000 and the lowest recored low temperature was 36.1 °F (2.3 °C) in 2012. The low temperature is usually* between 16.2 °F (-8.8 °C) and 28.7 °F (-1.8 °C). About a quarter of the time, the low temperature is less than 16.2 °F (-8.8 °C), and another quarter of the time, the low temperature is greater than and 28.7 °F (-1.8 °C). About 95% of the time, the low temperature has been between 4.2 °F (-15.4 °C) and 40.7 °F (4.8 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 84.8% 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: