December 17 - CHICAGO - Weather History and Averages

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

High Temperatures

On December 17 in CHICAGO the average high temperature is 35.3 °F (1.8 °C). The lowest recored high temperature was 22.1 °F (-5.5 °C) in 2005 and the highest recored high temperature was 55.8 °F (13.2 °C) in 2006. The high temperature is usually^* between 28.3 °F (-2.1 °C) and 42.3 °F (5.7 °C). About a quarter of the time, the high temperature is less than 28.3 °F (-2.1 °C), and another quarter of the time, the high temperature is greater than and 42.3 °F (5.7 °C). About 95% of the time, the high temperature has been between 15.0 °F (-9.5 °C) and 55.7 °F (13.1 °C).

Low Temperatures

On December 17 in CHICAGO the average low temperature is 26.3 °F (-3.1 °C). The lowest recored low temperature was 16.3 °F (-8.7 °C) in 2005 and the lowest recored low temperature was 41.9 °F (5.5 °C) in 2023. The low temperature is usually^* between 19.6 °F (-6.9 °C) and 33.1 °F (0.6 °C). About a quarter of the time, the low temperature is less than 19.6 °F (-6.9 °C), and another quarter of the time, the low temperature is greater than and 33.1 °F (0.6 °C). About 95% of the time, the low temperature has been between 6.8 °F (-14.0 °C) and 45.9 °F (7.7 °C).

Frost

On December 17 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 71.4% 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 2024

Home | About this site | Blog | Privacy policy | Contact us | Update cookies preferences

© Banana Juice LLC, Chicago, Illinois, USA