December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 35.1 °F (1.7 °C). The lowest recored high temperature was 16.0 °F (-8.9 °C) in 1985 and the highest recored high temperature was 54.3 °F (12.4 °C) in 1958. The high temperature is usually* between 29.8 °F (-1.2 °C) and 40.3 °F (4.6 °C). About a quarter of the time, the high temperature is less than 29.8 °F (-1.2 °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 19.9 °F (-6.7 °C) and 50.3 °F (10.2 °C).

Low Temperatures

On December 18 in this location the average low temperature is 23.6 °F (-4.6 °C). The lowest recored low temperature was 2.1 °F (-16.6 °C) in 1975 and the lowest recored low temperature was 37.9 °F (3.3 °C) in 2001. The low temperature is usually* between 17.8 °F (-7.9 °C) and 29.4 °F (-1.4 °C). About a quarter of the time, the low temperature is less than 17.8 °F (-7.9 °C), and another quarter of the time, the low temperature is greater than and 29.4 °F (-1.4 °C). About 95% of the time, the low temperature has been between 6.8 °F (-14.0 °C) and 40.5 °F (4.7 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 83.5% 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: