Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On May 31 in GARY CHICAGO the average high temperature is 77.0 °F (25.0 °C). The lowest recored high temperature was 51.8 °F (11.0 °C) in 2015 and the highest recored high temperature was 91.4 °F (33.0 °C) in 2002. The high temperature is usually* between 70.2 °F (21.2 °C) and 83.7 °F (28.7 °C). About a quarter of the time, the high temperature is less than 70.2 °F (21.2 °C), and another quarter of the time, the high temperature is greater than and 83.7 °F (28.7 °C). About 95% of the time, the high temperature has been between 57.4 °F (14.1 °C) and 96.5 °F (35.8 °C).
Low Temperatures
On May 31 in GARY CHICAGO the average low temperature is 57.7 °F (14.3 °C). The lowest recored low temperature was 43.9 °F (6.6 °C) in 1996 and the lowest recored low temperature was 77.0 °F (25.0 °C) in 2011. The low temperature is usually* between 51.8 °F (11.0 °C) and 63.5 °F (17.5 °C). About a quarter of the time, the low temperature is less than 51.8 °F (11.0 °C), and another quarter of the time, the low temperature is greater than and 63.5 °F (17.5 °C). About 95% of the time, the low temperature has been between 40.7 °F (4.8 °C) and 74.6 °F (23.7 °C).
Frost
On May 31 in GARY CHICAGO expect the temperatures to drop below freezing for a risk of frost about 0.2% 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:
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— Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2025 - GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 — from year 1982 to 2005