Chicago Weather

2025 (Full Year)

Historical data
Average Temperature
14.6 °C
High
/
7.0 °C
Low
832.3mm
Precipitation
35.6°C
Peak Temp
-21.9°C
Low Temp
365
Days Count

Seasonal Breakdown

Average temperatures and precipitation by season

Spring

92 days
14.2°C
Avg High
/
5.5°C
Avg Low
Precipitation
230.1mm

Summer

92 days
27.2°C
Avg High
/
19.4°C
Avg Low
Precipitation
269.0mm

Autumn

91 days
16.9°C
Avg High
/
9.9°C
Avg Low
Precipitation
168.5mm

Winter

90 days
-0.3°C
Avg High
/
-7.3°C
Avg Low
Precipitation
164.7mm

Seasons based on meteorological calendar: Spring (Mar-May), Summer (Jun-Aug), Autumn (Sep-Nov), Winter (Dec-Feb)

Monthly Breakdown

Average temperatures and precipitation by month

January

31 days
-1.8°C / -8.9°C
Avg High / Low
Precipitation
60.3mm

February

28 days
0.4°C / -6.6°C
Avg High / Low
Precipitation
23.7mm

March

31 days
11.0°C / 1.6°C
Avg High / Low
Precipitation
94.1mm

April

30 days
14.1°C / 5.5°C
Avg High / Low
Precipitation
64.7mm

May

31 days
17.4°C / 9.4°C
Avg High / Low
Precipitation
71.3mm

June

30 days
27.0°C / 17.7°C
Avg High / Low
Precipitation
124.0mm

July

31 days
28.6°C / 21.0°C
Avg High / Low
Precipitation
102.5mm

August

31 days
26.2°C / 19.3°C
Avg High / Low
Precipitation
42.5mm

September

30 days
23.9°C / 16.1°C
Avg High / Low
Precipitation
38.5mm

October

31 days
17.8°C / 11.0°C
Avg High / Low
Precipitation
56.3mm

November

30 days
9.1°C / 2.6°C
Avg High / Low
Precipitation
73.7mm

December

31 days
0.7°C / -6.2°C
Avg High / Low
Precipitation
80.7mm

Temperature Trends

Daily high, low, and average

Weather Extremes

Most notable conditions during this period

Period High

35.6°C
Monday, June 23

Coolest Day

-15.4°C
Tuesday, January 21

Period Low

-21.9°C
Tuesday, February 18
Progress 0%
0 / 0 years
Analyzing Historical Data

Analyzing 15 years of historical data...

Analysis Period

Years: 15
Location: Chicago
Period: 2025-01-01 to 2025-12-31

Weather Insights

Key findings from analysis for selected period

Extreme Temperature Variations

Worth noting

Temperature extremes from -21.9°C to 35.6°C. 131 cold days and 3 very hot days.

📅

Seasonal Weather Patterns

Info
Rainfall Patterns:
Wettest: June (124mm), July (103mm)
Driest: February (24mm), September (39mm)

Temperature Patterns (Monthly Averages):
Hottest months: July (28.6°C), June (27.0°C)
Coolest months: January (-1.8°C), February (0.4°C)

Travel Recommendations:
Best visiting months: September, August, June (optimal temperature and rainfall balance).
⚠️

43 Exceptional Weather Events (showing top 3)

Info

The 3 most extreme of 43 notable days in this period:

Jun 23 Heat

Hottest day: 35.6°C

Jun 24 Heat

Very hot day: 35.2°C

Feb 18 Cold

Coldest night: -21.9°C

15 Extreme Heat Index Days

Worth noting

15 days with dangerous heat index levels (44.5°C average). Temperature 33.5°C combined with 69% humidity creates hazardous conditions.

High Humidity Levels

Info

Average humidity of 72% indicates persistently moist air conditions. Heat sensation amplified during warm periods (14.6°C average temperature). Humidity varied significantly (37%-96% range).

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Data Source

Weather data provided by Open-Meteo, offering reliable historical weather information from meteorological stations worldwide.

Data accuracy and availability may vary by location and time period.

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