December 18 - BURNS HARBOR - Weather History and Averages

Station: BURNS HARBOR (2007 to 2025)
Country: US
State: IN
Latitude: 41.65
Longitude: -87.15

High Temperatures

On December 18 in BURNS HARBOR the average high temperature is 34.9 °F (1.6 °C). The lowest recored high temperature was 22.5 °F (-5.3 °C) in 2010 and the highest recored high temperature was 44.6 °F (7.0 °C) in 2017. The high temperature is usually^* between 29.3 °F (-1.5 °C) and 40.4 °F (4.7 °C). About a quarter of the time, the high temperature is less than 29.3 °F (-1.5 °C), and another quarter of the time, the high temperature is greater than and 40.4 °F (4.7 °C). About 95% of the time, the high temperature has been between 18.8 °F (-7.4 °C) and 51.0 °F (10.5 °C).

Low Temperatures

On December 18 in BURNS HARBOR the average low temperature is 26.1 °F (-3.3 °C). The lowest recored low temperature was 10.9 °F (-11.7 °C) in 2016 and the lowest recored low temperature was 42.1 °F (5.6 °C) in 2017. The low temperature is usually^* between 19.3 °F (-7.0 °C) and 32.8 °F (0.5 °C). About a quarter of the time, the low temperature is less than 19.3 °F (-7.0 °C), and another quarter of the time, the low temperature is greater than and 32.8 °F (0.5 °C). About 95% of the time, the low temperature has been between 6.4 °F (-14.2 °C) and 45.7 °F (7.6 °C).

Frost

On December 18 in BURNS HARBOR expect the temperatures to drop below freezing for a risk of frost about 72.3% 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:

BURNS HARBOR — Integrated Surface Dataset (ISD) station ID: 997787 — from year 2007 to 2024

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