November 20 - CHICAGO - Weather History and Averages

Station: CHICAGO (2005 to 2025)
Country: US
State: IL
Latitude: 42.0
Longitude: -87.5

High Temperatures

On November 20 in CHICAGO the average high temperature is 46.9 °F (8.3 °C). The lowest recored high temperature was 26.1 °F (-3.3 °C) in 2014 and the highest recored high temperature was 62.2 °F (16.8 °C) in 2020. The high temperature is usually^* between 40.9 °F (4.9 °C) and 53.0 °F (11.7 °C). About a quarter of the time, the high temperature is less than 40.9 °F (4.9 °C), and another quarter of the time, the high temperature is greater than and 53.0 °F (11.7 °C). About 95% of the time, the high temperature has been between 29.4 °F (-1.5 °C) and 64.5 °F (18.1 °C).

Low Temperatures

On November 20 in CHICAGO the average low temperature is 36.5 °F (2.5 °C). The lowest recored low temperature was 14.9 °F (-9.5 °C) in 2022 and the lowest recored low temperature was 54.0 °F (12.2 °C) in 2020. The low temperature is usually^* between 30.7 °F (-0.7 °C) and 42.2 °F (5.7 °C). About a quarter of the time, the low temperature is less than 30.7 °F (-0.7 °C), and another quarter of the time, the low temperature is greater than and 42.2 °F (5.7 °C). About 95% of the time, the low temperature has been between 19.8 °F (-6.8 °C) and 53.1 °F (11.7 °C).

Frost

On November 20 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 30.0% 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:

CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2005 to 2023

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