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 14.0 °F (-10.0 °C) in 2000 and the highest recored high temperature was 56.1 °F (13.4 °C) in 1984. The high temperature is usually* between 28.9 °F (-1.7 °C) and 40.8 °F (4.9 °C). About a quarter of the time, the high temperature is less than 28.9 °F (-1.7 °C), and another quarter of the time, the high temperature is greater than and 40.8 °F (4.9 °C). About 95% of the time, the high temperature has been between 17.4 °F (-8.1 °C) and 52.3 °F (11.3 °C).

Low Temperatures

On December 18 in this location the average low temperature is 21.3 °F (-5.9 °C). The lowest recored low temperature was -7.1 °F (-21.7 °C) in 1989 and the lowest recored low temperature was 37.4 °F (3.0 °C) in 2001. The low temperature is usually* between 14.3 °F (-9.8 °C) and 28.4 °F (-2.0 °C). About a quarter of the time, the low temperature is less than 14.3 °F (-9.8 °C), and another quarter of the time, the low temperature is greater than and 28.4 °F (-2.0 °C). About 95% of the time, the low temperature has been between 0.9 °F (-17.3 °C) and 41.8 °F (5.4 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 84.6% 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: