December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 36.3 °F (2.4 °C). The lowest recored high temperature was 10.0 °F (-12.2 °C) in 1983 and the highest recored high temperature was 82.0 °F (27.8 °C) in 1984. The high temperature is usually* between 28.0 °F (-2.2 °C) and 44.5 °F (7.0 °C). About a quarter of the time, the high temperature is less than 28.0 °F (-2.2 °C), and another quarter of the time, the high temperature is greater than and 44.5 °F (7.0 °C). About 95% of the time, the high temperature has been between 12.2 °F (-11.0 °C) and 60.3 °F (15.7 °C).

Low Temperatures

On December 18 in this location the average low temperature is 23.8 °F (-4.6 °C). The lowest recored low temperature was -7.1 °F (-21.7 °C) in 2016 and the lowest recored low temperature was 64.9 °F (18.3 °C) in 1983. The low temperature is usually* between 15.5 °F (-9.2 °C) and 32.1 °F (0.0 °C). About a quarter of the time, the low temperature is less than 15.5 °F (-9.2 °C), and another quarter of the time, the low temperature is greater than and 32.1 °F (0.0 °C). About 95% of the time, the low temperature has been between -0.3 °F (-17.9 °C) and 47.8 °F (8.8 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 74.9% 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: