Potomac May Weather Averages Maryland, United States of America

May Weather Averages for Potomac

High Temp	23°C	74°F
Low Temp	13°C	56°F
Avg Temp	18°C	64°F
Sunshine Hours	185 hours
Rainfall	116.61 mm	4.59 In
Rain days	10 days
Pressure	1017 mb	30 In

Potomac May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	22°C / 72°F	13°C / 55°F	17°C / 63°F	191 hours	219.94 mm / 8.66 In	14 days	1017 mb / 31 In
2010	24°C / 75°F	14°C / 57°F	19°C / 66°F	213 hours	72.18 mm / 2.84 In	9 days	1016 mb / 30 In
2011	24°C / 76°F	14°C / 57°F	19°C / 66°F	227 hours	112.88 mm / 4.44 In	10 days	1014 mb / 30 In
2012	25°C / 77°F	15°C / 59°F	20°C / 67°F	216 hours	100.92 mm / 3.97 In	11 days	1016 mb / 30 In
2013	23°C / 73°F	12°C / 53°F	17°C / 63°F	202 hours	65.26 mm / 2.57 In	10 days	1018 mb / 31 In
2014	23°C / 74°F	13°C / 55°F	18°C / 64°F	218 hours	104.78 mm / 4.13 In	7 days	1017 mb / 30 In
2015	26°C / 79°F	15°C / 58°F	20°C / 68°F	245 hours	36.30 mm / 1.43 In	7 days	1020 mb / 31 In
2016	20°C / 69°F	12°C / 53°F	16°C / 61°F	120 hours	169.53 mm / 6.67 In	16 days	1015 mb / 30 In
2017	21°C / 70°F	12°C / 54°F	17°C / 62°F	154 hours	155.23 mm / 6.11 In	10 days	1013 mb / 30 In
2018	27°C / 80°F	17°C / 63°F	22°C / 71°F	185 hours	230.57 mm / 9.08 In	14 days	1017 mb / 31 In
2019	26°C / 78°F	16°C / 61°F	21°C / 69°F	184 hours	133.40 mm / 5.25 In	9 days	1015 mb / 30 In
2020	20°C / 67°F	12°C / 53°F	16°C / 60°F	125 hours	85.89 mm / 3.38 In	8 days	1017 mb / 30 In
2021	22°C / 71°F	12°C / 53°F	17°C / 62°F	141 hours	104.36 mm / 4.11 In	9 days	1019 mb / 31 In
2022	23°C / 74°F	13°C / 56°F	18°C / 65°F	154 hours	103.55 mm / 4.08 In	9 days	1017 mb / 31 In
2023	22°C / 72°F	11°C / 51°F	16°C / 61°F	193 hours	54.30 mm / 2.14 In	6 days	1017 mb / 31 In

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