Potomac July Weather Averages Maryland, United States of America

July Weather Averages for Potomac

High Temp	31°C	88°F
Low Temp	21°C	70°F
Avg Temp	26°C	78°F
Sunshine Hours	233 hours
Rainfall	135.93 mm	5.35 In
Rain days	11 days
Pressure	1015 mb	30 In

Potomac July Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	29°C / 83°F	18°C / 65°F	23°C / 74°F	263 hours	64.58 mm / 2.54 In	8 days	1014 mb / 30 In
2010	32°C / 90°F	21°C / 70°F	27°C / 80°F	297 hours	66.12 mm / 2.60 In	6 days	1015 mb / 30 In
2011	33°C / 91°F	21°C / 70°F	27°C / 80°F	316 hours	67.19 mm / 2.65 In	8 days	1014 mb / 30 In
2012	32°C / 89°F	21°C / 71°F	26°C / 79°F	273 hours	85.69 mm / 3.37 In	12 days	1014 mb / 30 In
2013	30°C / 87°F	21°C / 69°F	25°C / 77°F	218 hours	118.60 mm / 4.67 In	15 days	1017 mb / 31 In
2014	30°C / 85°F	19°C / 65°F	24°C / 75°F	273 hours	95.69 mm / 3.77 In	11 days	1015 mb / 30 In
2015	30°C / 86°F	20°C / 67°F	25°C / 76°F	200 hours	92.30 mm / 3.63 In	11 days	1013 mb / 30 In
2016	31°C / 88°F	21°C / 70°F	26°C / 78°F	156 hours	161.77 mm / 6.37 In	12 days	1014 mb / 30 In
2017	31°C / 88°F	21°C / 71°F	26°C / 79°F	237 hours	271.96 mm / 10.71 In	11 days	1015 mb / 30 In
2018	31°C / 87°F	22°C / 72°F	26°C / 79°F	199 hours	251.98 mm / 9.92 In	12 days	1018 mb / 31 In
2019	32°C / 90°F	23°C / 73°F	27°C / 81°F	277 hours	142.58 mm / 5.61 In	16 days	1015 mb / 30 In
2020	32°C / 90°F	24°C / 75°F	28°C / 82°F	233 hours	102.63 mm / 4.04 In	9 days	1014 mb / 30 In
2021	31°C / 88°F	21°C / 70°F	26°C / 78°F	198 hours	132.81 mm / 5.23 In	10 days	1016 mb / 30 In
2022	31°C / 88°F	21°C / 69°F	26°C / 78°F	181 hours	200.50 mm / 7.89 In	13 days	1015 mb / 30 In
2023	32°C / 90°F	21°C / 69°F	26°C / 79°F	172 hours	184.50 mm / 7.26 In	14 days	1013 mb / 30 In

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