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 8.2 °F (-13.2 °C) in 1983 and the highest recored high temperature was 60.1 °F (15.6 °C) in 1977. The high temperature is usually* between 27.9 °F (-2.3 °C) and 42.0 °F (5.6 °C). About a quarter of the time, the high temperature is less than 27.9 °F (-2.3 °C), and another quarter of the time, the high temperature is greater than and 42.0 °F (5.6 °C). About 95% of the time, the high temperature has been between 14.4 °F (-9.8 °C) and 55.4 °F (13.0 °C).

Low Temperatures

On December 18 in this location the average low temperature is 22.9 °F (-5.1 °C). The lowest recored low temperature was -4.9 °F (-20.5 °C) in 1985 and the lowest recored low temperature was 42.1 °F (5.6 °C) in 2017. The low temperature is usually* between 15.1 °F (-9.4 °C) and 30.7 °F (-0.7 °C). About a quarter of the time, the low temperature is less than 15.1 °F (-9.4 °C), and another quarter of the time, the low temperature is greater than and 30.7 °F (-0.7 °C). About 95% of the time, the low temperature has been between 0.2 °F (-17.7 °C) and 45.6 °F (7.5 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 78.5% 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: