- 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 May 20 in GARY/CHICAGO AIRPORT the average high temperature is 71.6 °F (22.0 °C). The lowest recored high temperature was 46.4 °F (8.0 °C) in 2002 and the highest recored high temperature was 93.9 °F (34.4 °C) in 1996. The high temperature is usually* between 64.4 °F (18.0 °C) and 78.9 °F (26.0 °C). About a quarter of the time, the high temperature is less than 64.4 °F (18.0 °C), and another quarter of the time, the high temperature is greater than and 78.9 °F (26.0 °C). About 95% of the time, the high temperature has been between 50.7 °F (10.4 °C) and 92.6 °F (33.7 °C).
Low Temperatures
On May 20 in GARY/CHICAGO AIRPORT the average low temperature is 53.0 °F (11.6 °C). The lowest recored low temperature was 37.4 °F (3.0 °C) in 2006 and the lowest recored low temperature was 75.2 °F (24.0 °C) in 2013. The low temperature is usually* between 47.6 °F (8.7 °C) and 58.3 °F (14.6 °C). About a quarter of the time, the low temperature is less than 47.6 °F (8.7 °C), and another quarter of the time, the low temperature is greater than and 58.3 °F (14.6 °C). About 95% of the time, the low temperature has been between 37.4 °F (3.0 °C) and 68.5 °F (20.3 °C).
Frost
On May 20 in GARY/CHICAGO AIRPORT expect the temperatures to drop below freezing for a risk of frost about 0.4% 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 2025
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— Integrated Surface Dataset (ISD) station ID: 725337 — from year 1982 to 2005