December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 34.6 °F (1.4 °C). The lowest recored high temperature was 16.0 °F (-8.9 °C) in 1945 and the highest recored high temperature was 51.8 °F (11.0 °C) in 2006. The high temperature is usually* between 28.8 °F (-1.8 °C) and 40.3 °F (4.6 °C). About a quarter of the time, the high temperature is less than 28.8 °F (-1.8 °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 17.8 °F (-7.9 °C) and 51.3 °F (10.7 °C).

Low Temperatures

On December 18 in this location the average low temperature is 23.9 °F (-4.5 °C). The lowest recored low temperature was -0.9 °F (-18.3 °C) in 1945 and the lowest recored low temperature was 41.0 °F (5.0 °C) in 2001. The low temperature is usually* between 17.3 °F (-8.1 °C) and 30.5 °F (-0.8 °C). About a quarter of the time, the low temperature is less than 17.3 °F (-8.1 °C), and another quarter of the time, the low temperature is greater than and 30.5 °F (-0.8 °C). About 95% of the time, the low temperature has been between 4.8 °F (-15.1 °C) and 43.0 °F (6.1 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 79.6% 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: