December 18 - custom location - Weather History and Averages

High Temperatures

On December 18 in this location the average high temperature is 56.6 °F (13.7 °C). The lowest recored high temperature was 32.0 °F (0.0 °C) in 2011 and the highest recored high temperature was 73.0 °F (22.8 °C) in 1980. The high temperature is usually* between 49.2 °F (9.5 °C) and 64.0 °F (17.8 °C). About a quarter of the time, the high temperature is less than 49.2 °F (9.5 °C), and another quarter of the time, the high temperature is greater than and 64.0 °F (17.8 °C). About 95% of the time, the high temperature has been between 35.0 °F (1.7 °C) and 78.2 °F (25.7 °C).

Low Temperatures

On December 18 in this location the average low temperature is 36.7 °F (2.6 °C). The lowest recored low temperature was 8.6 °F (-13.0 °C) in 2021 and the lowest recored low temperature was 55.9 °F (13.3 °C) in 1950. The low temperature is usually* between 28.8 °F (-1.8 °C) and 44.6 °F (7.0 °C). About a quarter of the time, the low temperature is less than 28.8 °F (-1.8 °C), and another quarter of the time, the low temperature is greater than and 44.6 °F (7.0 °C). About 95% of the time, the low temperature has been between 13.7 °F (-10.1 °C) and 59.7 °F (15.4 °C).

Frost

On December 18 in this location expect the temperatures to drop below freezing for a risk of frost about 34.3% 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: