Station information
- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.4
High Temperatures
On December 21 in GARY CHICAGO the average high temperature is 37.2 °F (2.9 °C). The lowest recored high temperature was 4.1 °F (-15.5 °C) in 1989 and the highest recored high temperature was 55.4 °F (13.0 °C) in 2015. The high temperature is usually* between 30.2 °F (-1.0 °C) and 44.1 °F (6.7 °C). About a quarter of the time, the high temperature is less than 30.2 °F (-1.0 °C), and another quarter of the time, the high temperature is greater than and 44.1 °F (6.7 °C). About 95% of the time, the high temperature has been between 17.0 °F (-8.3 °C) and 57.3 °F (14.0 °C).
Low Temperatures
On December 21 in GARY CHICAGO the average low temperature is 24.3 °F (-4.3 °C). The lowest recored low temperature was -13.9 °F (-25.5 °C) in 1989 and the lowest recored low temperature was 43.2 °F (6.2 °C) in 2015. The low temperature is usually* between 15.8 °F (-9.0 °C) and 32.8 °F (0.4 °C). About a quarter of the time, the low temperature is less than 15.8 °F (-9.0 °C), and another quarter of the time, the low temperature is greater than and 32.8 °F (0.4 °C). About 95% of the time, the low temperature has been between -0.4 °F (-18.0 °C) and 49.0 °F (9.4 °C).
Frost
On December 21 in GARY CHICAGO expect the temperatures to drop below freezing for a risk of frost about 72.9% 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 2024 - GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 — from year 1981 to 2005