- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.417
A Weather Bureau Army Navy (WBAN) station ID was found for this station. Older data may be available at the WBAN page.
High Temperatures
On December 15 in GARY/CHICAGO AIRPORT the average high temperature is 39.5 °F (4.2 °C). The lowest recored high temperature was 6.3 °F (-14.3 °C) in 1989 and the highest recored high temperature was 64.4 °F (18.0 °C) in 2021. The high temperature is usually* between 32.4 °F (0.2 °C) and 46.7 °F (8.2 °C). About a quarter of the time, the high temperature is less than 32.4 °F (0.2 °C), and another quarter of the time, the high temperature is greater than and 46.7 °F (8.2 °C). About 95% of the time, the high temperature has been between 18.8 °F (-7.3 °C) and 60.3 °F (15.7 °C).
Low Temperatures
On December 15 in GARY/CHICAGO AIRPORT the average low temperature is 28.0 °F (-2.2 °C). The lowest recored low temperature was -0.8 °F (-18.2 °C) in 1989 and the lowest recored low temperature was 47.7 °F (8.7 °C) in 2021. The low temperature is usually* between 20.5 °F (-6.4 °C) and 35.5 °F (1.9 °C). About a quarter of the time, the low temperature is less than 20.5 °F (-6.4 °C), and another quarter of the time, the low temperature is greater than and 35.5 °F (1.9 °C). About 95% of the time, the low temperature has been between 6.3 °F (-14.3 °C) and 49.7 °F (9.8 °C).
Frost
On December 15 in GARY/CHICAGO AIRPORT expect the temperatures to drop below freezing for a risk of frost about 64.2% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2024
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— Integrated Surface Dataset (ISD) station ID: 725337 — from year 1981 to 2005