Alpharetta Weather History Georgia, United States of America

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Daily and hourly data from 1 Jan 2009 onwards.
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Sun 19 Apr, 2026 Weather in Alpharetta

Sunrise: 07:01 AM Sunset: 08:12 PM	Moonrise: 08:11 AM Moonset: 11:18 PM	Max: 22.7 °c	Min: 9.2 °c	Avg: 15.3 °c	Precip: 7.20 mm	Max Wind: 25.2 kph

	Sun 19 0:00 am	Sun 19 3:00 am	Sun 19 6:00 am	Sun 19 9:00 am	Sun 19 12:00 pm	Sun 19 3:00 pm	Sun 19 6:00 pm	Sun 19 9:00 pm
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Temp	22.7°c	16.9°c	10.7°c	9.8°c	13.2°c	17.6°c	17.4°c	14.6°c
Wind	18.7 kmph	18.7 kmph	21.2 kmph	20.2 kmph	24.8 kmph	24.1 kmph	19.4 kmph	13.7 kmph
Precip	0.00 mm	0.00 mm	1.20 mm	1.20 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	86%	99%	91%	92%	71%	21%	0%	0%
Humidity	60%	72%	83%	72%	46%	33%	32%	34%
Pressure	1014 mb	1015 mb	1018 mb	1021 mb	1022 mb	1022 mb	1022 mb	1023 mb

Alpharetta Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	10°C / 49°F	2°C / 35°F	5°C / 42°F	183 hours	132.05 mm / 5.20 In	7 days	1021 mb / 31 In
February	13°C / 55°F	4°C / 39°F	8°C / 47°F	150 hours	134.73 mm / 5.30 In	8 days	1020 mb / 31 In
March	17°C / 63°F	8°C / 46°F	12°C / 54°F	167 hours	143.15 mm / 5.64 In	8 days	1019 mb / 31 In
April	22°C / 71°F	11°C / 52°F	16°C / 61°F	208 hours	137.31 mm / 5.41 In	7 days	1017 mb / 31 In
May	26°C / 79°F	16°C / 61°F	21°C / 69°F	203 hours	124.40 mm / 4.90 In	9 days	1017 mb / 30 In
June	30°C / 86°F	20°C / 68°F	25°C / 77°F	216 hours	131.33 mm / 5.17 In	12 days	1015 mb / 30 In
July	32°C / 89°F	22°C / 72°F	26°C / 80°F	202 hours	125.78 mm / 4.95 In	13 days	1016 mb / 30 In
August	31°C / 88°F	21°C / 71°F	26°C / 78°F	204 hours	134.27 mm / 5.29 In	11 days	1016 mb / 30 In
September	28°C / 83°F	19°C / 66°F	23°C / 73°F	215 hours	126.69 mm / 4.99 In	7 days	1017 mb / 30 In
October	23°C / 73°F	13°C / 55°F	17°C / 63°F	224 hours	97.14 mm / 3.82 In	5 days	1018 mb / 31 In
November	16°C / 61°F	7°C / 45°F	11°C / 52°F	213 hours	120.44 mm / 4.74 In	5 days	1021 mb / 31 In
December	12°C / 53°F	4°C / 40°F	8°C / 46°F	176 hours	158.95 mm / 6.26 In	8 days	1021 mb / 31 In

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