December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 34.5 °F (1.4 °C). The lowest recored high temperature was 14.5 °F (-9.7 °C) in 2000 and the highest recored high temperature was 55.4 °F (13.0 °C) in 2006. The high temperature is usually* between 28.6 °F (-1.9 °C) and 40.3 °F (4.6 °C). About a quarter of the time, the high temperature is less than 28.6 °F (-1.9 °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 17.5 °F (-8.1 °C) and 51.5 °F (10.8 °C).

Low Temperatures

On December 18 in this location the average low temperature is 23.2 °F (-4.9 °C). The lowest recored low temperature was -4.7 °F (-20.4 °C) in 1989 and the lowest recored low temperature was 39.9 °F (4.4 °C) in 2006. The low temperature is usually* between 16.7 °F (-8.5 °C) and 29.6 °F (-1.3 °C). About a quarter of the time, the low temperature is less than 16.7 °F (-8.5 °C), and another quarter of the time, the low temperature is greater than and 29.6 °F (-1.3 °C). About 95% of the time, the low temperature has been between 4.5 °F (-15.3 °C) and 41.8 °F (5.5 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 82.3% 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: