December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 34.3 °F (1.3 °C). The lowest recored high temperature was 14.4 °F (-9.8 °C) in 2016 and the highest recored high temperature was 49.8 °F (9.9 °C) in 1977. The high temperature is usually* between 28.1 °F (-2.1 °C) and 40.4 °F (4.6 °C). About a quarter of the time, the high temperature is less than 28.1 °F (-2.1 °C), and another quarter of the time, the high temperature is greater than and 40.4 °F (4.6 °C). About 95% of the time, the high temperature has been between 16.5 °F (-8.6 °C) and 52.0 °F (11.1 °C).

Low Temperatures

On December 18 in this location the average low temperature is 24.4 °F (-4.2 °C). The lowest recored low temperature was 2.7 °F (-16.3 °C) in 2016 and the lowest recored low temperature was 42.1 °F (5.6 °C) in 2017. The low temperature is usually* between 17.6 °F (-8.0 °C) and 31.3 °F (-0.4 °C). About a quarter of the time, the low temperature is less than 17.6 °F (-8.0 °C), and another quarter of the time, the low temperature is greater than and 31.3 °F (-0.4 °C). About 95% of the time, the low temperature has been between 4.5 °F (-15.3 °C) and 44.4 °F (6.9 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 77.1% 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: