Historical Weather for Chicago, United States

Showing historical weather data for 1 Dec to 31 Dec over the last 5 years (2025-2025).

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Chicago, Illinois, United States (01-12 → 31-12)

Years 2025–2025 · Source: Meteostat

Weather Summary

Automated rules using observed Meteostat data (no AI calls).

Average temperature

-2.9°C

Above long-term avg by 0.0°C

Total rainfall

80.7 mm

Across the selected period

Notable conditions

Heatwave days: 0
Frost days: 25
Heavy rain days: 1

Daily temperature vs long-term average

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Recent period Long-term average

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Anomaly vs normal

0.0°C

Warmer than the multi-year average

Record extremes

Record high: 11.4°C · 28 Dec 2025

Record low: -18.8°C · 14 Dec 2025

Precip & wind peaks

Rain: 41.2 mm · 28 Dec 2025

Wind: 19.9 kts · 29 Dec 2025

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01 Dec→01 Dec

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Typical weather for 2025.

Temperatures were consistent with the long-term average.

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Recommended

Season-ready gear & services

Ambient weather station

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Davis Vantage Vue

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Cover trips when weather shifts your plans. Compare plans and buy online.

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Rain shell & winter kit

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Packable rain jackets, gloves, and heated socks for cold snaps.

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Soil & irrigation sensors

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Automate watering and protect plants from frost with moisture + temp alerts.

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Trim heating and cooling costs when temps swing outside the norm.

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2025

31 days

01 Dec → 31 Dec

Temperature

High: -13.3°C → 11.4°C

Low: -18.8°C → 3.5°C

Precipitation

Rain: 80.7 mm

Snow: 165.9 cm

Wind

11.3 kts avg · 19.9 kts peak

Accessible data table

Daily values for the first series (showing up to 30 rows)

Day	High (°C)	Low (°C)	Rain (mm)	Snow (cm)	Wind (kts)
01 Dec	-2.5°C	-8.4°C	3.8 mm	26.6 cm	6.7 kts
02 Dec	-4.0°C	-9.1°C	0.2 mm	1.4 cm	10.2 kts
03 Dec	-1.2°C	-6.2°C	1.2 mm	8.4 cm	11.8 kts
04 Dec	-8.1°C	-12.8°C	0.0 mm	0.0 cm	10.0 kts
05 Dec	-3.3°C	-13.3°C	0.0 mm	0.0 cm	11.5 kts
06 Dec	-0.6°C	-4.0°C	0.1 mm	0.7 cm	8.9 kts
07 Dec	0.9°C	-5.1°C	9.2 mm	64.4 cm	11.5 kts
08 Dec	-3.1°C	-8.3°C	0.0 mm	0.0 cm	9.3 kts
09 Dec	3.3°C	-7.3°C	3.4 mm	4.2 cm	15.2 kts
10 Dec	3.8°C	-3.2°C	3.1 mm	8.4 cm	15.1 kts
11 Dec	-3.0°C	-5.9°C	0.0 mm	0.0 cm	6.4 kts
12 Dec	-1.3°C	-5.2°C	0.1 mm	0.7 cm	9.3 kts
13 Dec	-3.4°C	-15.9°C	1.0 mm	7.0 cm	11.7 kts
14 Dec	-13.3°C	-18.8°C	0.0 mm	0.0 cm	12.0 kts
15 Dec	-6.4°C	-17.3°C	0.0 mm	0.0 cm	11.3 kts
16 Dec	2.8°C	-10.4°C	0.6 mm	0.0 cm	12.1 kts
17 Dec	3.3°C	0.1°C	0.0 mm	0.0 cm	11.8 kts
18 Dec	10.1°C	-6.5°C	6.9 mm	0.0 cm	16.7 kts
19 Dec	-5.3°C	-11.2°C	0.1 mm	0.7 cm	15.2 kts
20 Dec	4.6°C	-4.5°C	0.0 mm	0.0 cm	13.4 kts
21 Dec	-0.3°C	-7.2°C	0.0 mm	0.0 cm	11.0 kts
22 Dec	5.8°C	-0.9°C	0.1 mm	0.0 cm	9.3 kts
23 Dec	9.9°C	2.3°C	0.0 mm	0.0 cm	7.0 kts
24 Dec	6.1°C	1.7°C	0.3 mm	0.0 cm	6.4 kts
25 Dec	4.9°C	3.1°C	0.2 mm	0.0 cm	10.7 kts
26 Dec	8.8°C	3.5°C	2.1 mm	0.0 cm	9.5 kts
27 Dec	6.8°C	3.1°C	0.2 mm	0.0 cm	8.9 kts
28 Dec	11.4°C	-3.1°C	41.2 mm	1.4 cm	16.9 kts
29 Dec	-4.0°C	-8.6°C	2.1 mm	14.7 cm	19.9 kts
30 Dec	-3.8°C	-11.4°C	2.5 mm	17.5 cm	9.2 kts

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