Alton 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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Sun 27 Apr, 2025 Weather in Alton

Sunrise: 06:07 AM Sunset: 07:50 PM	Moonrise: 05:45 AM Moonset: 08:09 PM	Max: 16.3 °c	Min: 9.8 °c	Avg: 13.1 °c	Precip: 0.00 mm	Max Wind: 16.6 kph

	Sun 27 0:00 am	Sun 27 3:00 am	Sun 27 6:00 am	Sun 27 9:00 am	Sun 27 12:00 pm	Sun 27 3:00 pm	Sun 27 6:00 pm	Sun 27 9:00 pm
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Temp	11.5°c	10.4°c	9.8°c	12.9°c	16.3°c	15.2°c	14.9°c	13.8°c
Wind	11.5 kmph	16.6 kmph	12.6 kmph	14.0 kmph	14.0 kmph	14.8 kmph	16.2 kmph	13.3 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	95%	100%	100%	67%	88%	100%	79%	92%
Humidity	78%	75%	76%	74%	68%	73%	79%	88%
Pressure	1024 mb	1024 mb	1025 mb	1024 mb	1022 mb	1021 mb	1020 mb	1019 mb

Alton Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	3°C / 37°F	-5°C / 24°F	-1°C / 30°F	150 hours	67.54 mm / 2.66 In	6 days	1021 mb / 31 In
February	5°C / 42°F	-3°C / 27°F	1°C / 34°F	144 hours	71.32 mm / 2.81 In	6 days	1020 mb / 31 In
March	12°C / 54°F	3°C / 38°F	8°C / 46°F	157 hours	108.77 mm / 4.28 In	7 days	1017 mb / 31 In
April	18°C / 64°F	8°C / 46°F	13°C / 55°F	168 hours	137.03 mm / 5.40 In	8 days	1014 mb / 30 In
May	23°C / 74°F	14°C / 57°F	19°C / 65°F	192 hours	147.41 mm / 5.80 In	10 days	1014 mb / 30 In
June	29°C / 83°F	19°C / 66°F	24°C / 75°F	236 hours	113.18 mm / 4.46 In	9 days	1013 mb / 30 In
July	30°C / 86°F	21°C / 69°F	25°C / 77°F	238 hours	105.47 mm / 4.15 In	9 days	1015 mb / 30 In
August	29°C / 85°F	20°C / 67°F	24°C / 76°F	244 hours	110.36 mm / 4.34 In	8 days	1015 mb / 30 In
September	26°C / 80°F	16°C / 61°F	21°C / 70°F	242 hours	87.48 mm / 3.44 In	5 days	1016 mb / 30 In
October	19°C / 67°F	10°C / 50°F	14°C / 58°F	215 hours	92.43 mm / 3.64 In	7 days	1017 mb / 31 In
November	12°C / 53°F	3°C / 38°F	7°C / 45°F	209 hours	78.88 mm / 3.11 In	5 days	1020 mb / 31 In
December	6°C / 43°F	-1°C / 31°F	3°C / 37°F	165 hours	75.21 mm / 2.96 In	7 days	1020 mb / 31 In

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