Chatham Weather History Illinois, United States of America

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
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Mon 10 Nov, 2025 Weather in Chatham

Sunrise: 06:38 AM Sunset: 04:47 PM	Moonrise: 09:56 PM Moonset: 12:16 PM	Max: 4.9 °c	Min: -4.8 °c	Avg: -0.8 °c	Precip: 0.00 mm	Max Wind: 29.5 kph

	Mon 10 0:00 am	Mon 10 3:00 am	Mon 10 6:00 am	Mon 10 9:00 am	Mon 10 12:00 pm	Mon 10 3:00 pm	Mon 10 6:00 pm	Mon 10 9:00 pm
Icon
Temp	-2.5°c	-3.8°c	-4.8°c	-2.6°c	2.9°c	4.9°c	2.0°c	-2.7°c
Wind	23.0 kmph	24.8 kmph	26.6 kmph	27.4 kmph	27.4 kmph	25.9 kmph	15.1 kmph	11.5 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	3%	0%	24%	8%	0%	0%	0%	0%
Humidity	56%	63%	66%	53%	40%	31%	42%	55%
Pressure	1028 mb	1027 mb	1028 mb	1029 mb	1028 mb	1027 mb	1027 mb	1026 mb

Chatham Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	1°C / 35°F	-6°C / 21°F	-2°C / 28°F	139 hours	56.73 mm / 2.23 In	6 days	1021 mb / 31 In
February	4°C / 39°F	-4°C / 24°F	0°C / 32°F	140 hours	65.81 mm / 2.59 In	6 days	1020 mb / 31 In
March	12°C / 53°F	2°C / 36°F	7°C / 44°F	159 hours	104.97 mm / 4.13 In	7 days	1017 mb / 31 In
April	17°C / 63°F	7°C / 45°F	12°C / 54°F	161 hours	155.95 mm / 6.14 In	8 days	1014 mb / 30 In
May	23°C / 73°F	13°C / 56°F	18°C / 64°F	182 hours	138.93 mm / 5.47 In	10 days	1014 mb / 30 In
June	28°C / 82°F	18°C / 65°F	23°C / 73°F	231 hours	126.92 mm / 5.00 In	9 days	1013 mb / 30 In
July	29°C / 84°F	19°C / 67°F	24°C / 75°F	226 hours	116.86 mm / 4.60 In	8 days	1015 mb / 30 In
August	28°C / 83°F	18°C / 65°F	23°C / 74°F	234 hours	83.98 mm / 3.31 In	7 days	1015 mb / 30 In
September	26°C / 79°F	15°C / 59°F	20°C / 69°F	238 hours	85.80 mm / 3.38 In	5 days	1017 mb / 30 In
October	19°C / 66°F	9°C / 49°F	14°C / 57°F	210 hours	89.19 mm / 3.51 In	6 days	1017 mb / 31 In
November	11°C / 52°F	3°C / 37°F	7°C / 44°F	198 hours	72.47 mm / 2.85 In	5 days	1020 mb / 31 In
December	5°C / 41°F	-2°C / 29°F	2°C / 35°F	157 hours	72.02 mm / 2.84 In	6 days	1020 mb / 31 In

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