December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 35.5 °F (1.9 °C). The lowest recored high temperature was 15.1 °F (-9.4 °C) in 1989 and the highest recored high temperature was 57.0 °F (13.9 °C) in 2006. The high temperature is usually* between 29.0 °F (-1.7 °C) and 41.9 °F (5.5 °C). About a quarter of the time, the high temperature is less than 29.0 °F (-1.7 °C), and another quarter of the time, the high temperature is greater than and 41.9 °F (5.5 °C). About 95% of the time, the high temperature has been between 16.8 °F (-8.5 °C) and 54.2 °F (12.3 °C).

Low Temperatures

On December 18 in this location the average low temperature is 21.8 °F (-5.6 °C). The lowest recored low temperature was -7.2 °F (-21.8 °C) in 1989 and the lowest recored low temperature was 39.0 °F (3.9 °C) in 2001. The low temperature is usually* between 14.5 °F (-9.7 °C) and 29.2 °F (-1.6 °C). About a quarter of the time, the low temperature is less than 14.5 °F (-9.7 °C), and another quarter of the time, the low temperature is greater than and 29.2 °F (-1.6 °C). About 95% of the time, the low temperature has been between 0.6 °F (-17.5 °C) and 43.1 °F (6.2 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 82.5% 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: