Rockville Weather History Maryland, United States of America

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Daily and hourly data from 1 Jan 2009 onwards.
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Thu 28 May, 2026 Weather in Rockville

Sunrise: 05:46 AM Sunset: 08:25 PM	Moonrise: 06:25 PM Moonset: 03:48 AM	Max: 24.1 °c	Min: 15.0 °c	Avg: 19.5 °c	Precip: 0.00 mm	Max Wind: 15.8 kph

	Thu 28 0:00 am	Thu 28 3:00 am	Thu 28 6:00 am	Thu 28 9:00 am	Thu 28 12:00 pm	Thu 28 3:00 pm	Thu 28 6:00 pm	Thu 28 9:00 pm
Icon
Temp	17.9°c	16.8°c	16.3°c	20.3°c	23.0°c	23.8°c	21.8°c	17.2°c
Wind	8.3 kmph	9.7 kmph	7.6 kmph	11.9 kmph	14.0 kmph	14.4 kmph	13.7 kmph	9.7 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	50%	32%	13%	32%	14%	70%	15%	14%
Humidity	87%	89%	92%	70%	54%	48%	57%	70%
Pressure	1012 mb	1012 mb	1013 mb	1014 mb	1014 mb	1013 mb	1013 mb	1015 mb

Rockville Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	4°C / 39°F	-3°C / 27°F	1°C / 33°F	177 hours	93.89 mm / 3.70 In	7 days	1019 mb / 31 In
February	7°C / 44°F	-1°C / 30°F	2°C / 36°F	155 hours	104.42 mm / 4.11 In	7 days	1019 mb / 31 In
March	12°C / 53°F	3°C / 37°F	7°C / 45°F	165 hours	104.15 mm / 4.10 In	7 days	1018 mb / 31 In
April	18°C / 64°F	8°C / 47°F	13°C / 55°F	176 hours	112.39 mm / 4.42 In	7 days	1016 mb / 30 In
May	23°C / 73°F	13°C / 56°F	18°C / 64°F	179 hours	139.88 mm / 5.51 In	10 days	1016 mb / 30 In
June	28°C / 83°F	18°C / 65°F	23°C / 73°F	218 hours	129.84 mm / 5.11 In	10 days	1014 mb / 30 In
July	31°C / 88°F	21°C / 70°F	26°C / 79°F	229 hours	155.72 mm / 6.13 In	11 days	1015 mb / 30 In
August	30°C / 85°F	20°C / 68°F	24°C / 76°F	215 hours	121.61 mm / 4.79 In	10 days	1016 mb / 30 In
September	26°C / 78°F	17°C / 62°F	21°C / 70°F	206 hours	143.86 mm / 5.66 In	7 days	1018 mb / 31 In
October	19°C / 67°F	11°C / 51°F	15°C / 59°F	203 hours	118.87 mm / 4.68 In	6 days	1018 mb / 31 In
November	12°C / 54°F	4°C / 40°F	8°C / 47°F	208 hours	93.34 mm / 3.67 In	5 days	1020 mb / 31 In
December	7°C / 45°F	1°C / 33°F	4°C / 39°F	176 hours	123.44 mm / 4.86 In	7 days	1020 mb / 31 In

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