Merrillville Weather History Indiana, 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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Tue 12 May, 2026 Weather in Merrillville

Sunrise: 05:33 AM Sunset: 07:59 PM	Moonrise: 03:03 AM Moonset: 03:19 PM	Max: 20.4 °c	Min: 6.6 °c	Avg: 13.2 °c	Precip: 4.20 mm	Max Wind: 28.1 kph

	Tue 12 0:00 am	Tue 12 3:00 am	Tue 12 6:00 am	Tue 12 9:00 am	Tue 12 12:00 pm	Tue 12 3:00 pm	Tue 12 6:00 pm	Tue 12 9:00 pm
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Temp	7.6°c	6.8°c	7.6°c	10.4°c	15.5°c	20.1°c	18.6°c	16.2°c
Wind	9.7 kmph	10.8 kmph	12.2 kmph	17.6 kmph	25.9 kmph	27.0 kmph	24.8 kmph	20.5 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.30 mm	0.70 mm
Cloud	3%	6%	24%	100%	51%	64%	80%	58%
Humidity	42%	42%	56%	66%	62%	53%	61%	90%
Pressure	1024 mb	1023 mb	1022 mb	1021 mb	1017 mb	1012 mb	1011 mb	1011 mb

Merrillville Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-1°C / 30°F	-7°C / 19°F	-4°C / 25°F	105 hours	60.43 mm / 2.38 In	10 days	1020 mb / 31 In
February	1°C / 35°F	-6°C / 22°F	-2°C / 28°F	110 hours	66.02 mm / 2.60 In	8 days	1019 mb / 31 In
March	9°C / 47°F	0°C / 33°F	4°C / 40°F	135 hours	106.50 mm / 4.19 In	8 days	1018 mb / 31 In
April	14°C / 58°F	5°C / 42°F	10°C / 49°F	137 hours	155.89 mm / 6.14 In	8 days	1014 mb / 30 In
May	20°C / 69°F	11°C / 52°F	16°C / 60°F	179 hours	154.82 mm / 6.10 In	10 days	1015 mb / 30 In
June	26°C / 79°F	17°C / 62°F	21°C / 70°F	212 hours	157.74 mm / 6.21 In	10 days	1013 mb / 30 In
July	28°C / 82°F	19°C / 66°F	23°C / 74°F	217 hours	121.37 mm / 4.78 In	9 days	1015 mb / 30 In
August	27°C / 81°F	18°C / 65°F	22°C / 72°F	227 hours	110.39 mm / 4.35 In	8 days	1015 mb / 30 In
September	24°C / 76°F	15°C / 59°F	19°C / 67°F	217 hours	74.47 mm / 2.93 In	6 days	1017 mb / 31 In
October	17°C / 62°F	9°C / 48°F	13°C / 55°F	174 hours	108.16 mm / 4.26 In	8 days	1016 mb / 30 In
November	9°C / 48°F	2°C / 36°F	5°C / 42°F	163 hours	77.12 mm / 3.04 In	6 days	1019 mb / 31 In
December	3°C / 37°F	-3°C / 27°F	0°C / 32°F	113 hours	69.82 mm / 2.75 In	8 days	1019 mb / 31 In

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