December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 35.2 °F (1.8 °C). The lowest recored high temperature was 16.2 °F (-8.8 °C) in 1985 and the highest recored high temperature was 54.3 °F (12.4 °C) in 1958. The high temperature is usually* between 30.1 °F (-1.1 °C) and 40.3 °F (4.6 °C). About a quarter of the time, the high temperature is less than 30.1 °F (-1.1 °C), and another quarter of the time, the high temperature is greater than and 40.3 °F (4.6 °C). About 95% of the time, the high temperature has been between 20.3 °F (-6.5 °C) and 50.1 °F (10.0 °C).

Low Temperatures

On December 18 in this location the average low temperature is 23.0 °F (-5.0 °C). The lowest recored low temperature was 2.1 °F (-16.6 °C) in 1975 and the lowest recored low temperature was 37.8 °F (3.2 °C) in 2006. The low temperature is usually* between 17.2 °F (-8.2 °C) and 28.8 °F (-1.8 °C). About a quarter of the time, the low temperature is less than 17.2 °F (-8.2 °C), and another quarter of the time, the low temperature is greater than and 28.8 °F (-1.8 °C). About 95% of the time, the low temperature has been between 6.2 °F (-14.3 °C) and 39.8 °F (4.4 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 85.2% 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: