Round Lake Beach 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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Thu 05 Jun, 2025 Weather in Round Lake Beach

Sunrise: 05:17 AM Sunset: 08:26 PM	Moonrise: 03:16 PM Moonset: 02:09 AM	Max: 22.0 °c	Min: 8.1 °c	Avg: 15.4 °c	Precip: 0.00 mm	Max Wind: 13.0 kph

	Thu 05 0:00 am	Thu 05 3:00 am	Thu 05 6:00 am	Thu 05 9:00 am	Thu 05 12:00 pm	Thu 05 3:00 pm	Thu 05 6:00 pm	Thu 05 9:00 pm
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Temp	11.6°c	8.7°c	8.1°c	16.3°c	21.8°c	21.7°c	19.5°c	15.6°c
Wind	4.0 kmph	6.8 kmph	6.1 kmph	6.5 kmph	10.1 kmph	13.0 kmph	7.6 kmph	9.0 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	83%	100%	100%	32%	9%	57%	58%	88%
Humidity	98%	97%	96%	76%	60%	58%	71%	86%
Pressure	1019 mb	1020 mb	1021 mb	1021 mb	1019 mb	1018 mb	1018 mb	1017 mb

Round Lake Beach Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-2°C / 28°F	-8°C / 17°F	-5°C / 23°F	112 hours	58.55 mm / 2.31 In	8 days	1019 mb / 31 In
February	0°C / 32°F	-7°C / 19°F	-4°C / 26°F	117 hours	64.10 mm / 2.52 In	7 days	1019 mb / 31 In
March	7°C / 44°F	-1°C / 31°F	3°C / 37°F	138 hours	88.94 mm / 3.50 In	7 days	1018 mb / 31 In
April	12°C / 53°F	4°C / 39°F	8°C / 46°F	133 hours	127.04 mm / 5.00 In	9 days	1014 mb / 30 In
May	18°C / 65°F	10°C / 50°F	14°C / 57°F	179 hours	129.24 mm / 5.09 In	10 days	1015 mb / 30 In
June	24°C / 74°F	16°C / 60°F	20°C / 67°F	214 hours	122.89 mm / 4.84 In	9 days	1013 mb / 30 In
July	26°C / 79°F	19°C / 65°F	22°C / 72°F	232 hours	95.85 mm / 3.77 In	7 days	1015 mb / 30 In
August	26°C / 79°F	18°C / 65°F	22°C / 71°F	238 hours	98.94 mm / 3.90 In	8 days	1015 mb / 30 In
September	23°C / 73°F	15°C / 58°F	18°C / 65°F	227 hours	76.96 mm / 3.03 In	6 days	1017 mb / 31 In
October	16°C / 60°F	8°C / 47°F	12°C / 53°F	166 hours	104.50 mm / 4.11 In	7 days	1016 mb / 30 In
November	8°C / 46°F	1°C / 34°F	5°C / 40°F	171 hours	66.38 mm / 2.61 In	5 days	1019 mb / 31 In
December	2°C / 35°F	-4°C / 26°F	-1°C / 30°F	121 hours	66.23 mm / 2.61 In	8 days	1019 mb / 31 In

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