Latitude: 41.8375511
Longitude: -87.6818441
On average, the day with the warmest high temperature in Chicago, IL (Illinois), USA is
July 18 at an average of
84.9 °F
(29.4 °C).
On average, the day with the coldest high temperature in Chicago, IL (Illinois), USA is
January 7 at an average of
31.2 °F
(-0.5 °C).
The warmest recorded high temperature in Chicago, IL (Illinois), USA was 106.0 °F (41.1 °C)
on July 13 in the year 1995 at
CHICAGO MIDWAY INTL ARPT —
Integrated Surface Dataset (ISD) station ID: 725340
—
Weather Bureau Army Navy (WBAN): 14819
.
The coldest recorded high temperature in Chicago, IL (Illinois), USA was -14.1 °F (-25.6 °C)
on January 10 in the year 1982 at
CHICAGO O'HARE INTERNATIONAL —
Integrated Surface Dataset (ISD) station ID: 725300
—
Weather Bureau Army Navy (WBAN): 94846
.
On average, the day with the warmest low temperature in Chicago, IL (Illinois), USA is
July 19 at an average of
68.0 °F
(20.0 °C).
On average, the day with the coldest low temperature in Chicago, IL (Illinois), USA is
January 29 at an average of
17.3 °F
(-8.2 °C).
The warmest recorded low temperature in Chicago, IL (Illinois), USA was 89.1 °F (31.7 °C)
on July 1 in the year 1970 at
CHICAGO MEIGS FIELD —
Weather Bureau Army Navy (WBAN): 94866
.
The coldest recorded low temperature in Chicago, IL (Illinois), USA was -27.0 °F (-32.8 °C)
on January 20 in the year 1985 at
CHICAGO O'HARE INTERNATIONAL —
Integrated Surface Dataset (ISD) station ID: 725300
—
Weather Bureau Army Navy (WBAN): 94846
.
When you are gardening in Chicago, IL (Illinois), USA, consider the chance that the weather may
freeze and harm your plants. There is a greater than 5% chance of temperatures
dropping below freezing in 195 of 366 days per year in Chicago, IL (Illinois), USA.
In Chicago, IL (Illinois), USA during the spring season, the average last frost date is
April 24.
Expect*
April 27 in one of every two years (50%),
May 14 in one of every ten years (10%),
May 19 in one of every
twenty years (5%),
May 29 in one of every hundred years (1%).
In Chicago, IL (Illinois), USA during the autumn (fall) season, the average first frost date
is October 15.
Expect*
October 19 in one of every two years (50%),
October 4 in one of every ten years (10%),
September 30 in one of every
twenty years (5%),
September 23 in one of every hundred years (1%).
Expect* is based on the assumption of a normal
distribution of temperatures, and that temperatures each day can be considered independent random samples. This assumption is likely false,
resulting in an estimate which is too conservative.
If you would like to see the temperatures for specific days, you can click on the corresponding links below: