Seattle May Weather Averages Washington, United States of America

May Weather Averages for Seattle

High Temp	18°C	65°F
Low Temp	8°C	47°F
Avg Temp	13°C	56°F
Sunshine Hours	169 hours
Rainfall	82.07 mm	3.23 In
Rain days	8 days
Pressure	1017 mb	30 In

Seattle May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	18°C / 64°F	8°C / 46°F	13°C / 55°F	196 hours	55.40 mm / 2.18 In	8 days	1018 mb / 31 In
2009	18°C / 65°F	7°C / 44°F	13°C / 55°F	230 hours	110.60 mm / 4.35 In	10 days	1017 mb / 31 In
2010	15°C / 60°F	6°C / 43°F	11°C / 51°F	151 hours	112.80 mm / 4.44 In	14 days	1016 mb / 30 In
2011	15°C / 59°F	5°C / 42°F	10°C / 51°F	135 hours	130.60 mm / 5.14 In	11 days	1016 mb / 30 In
2012	17°C / 63°F	7°C / 44°F	12°C / 53°F	190 hours	99.80 mm / 3.93 In	7 days	1018 mb / 31 In
2013	19°C / 66°F	8°C / 47°F	14°C / 56°F	207 hours	63.20 mm / 2.49 In	8 days	1018 mb / 31 In
2014	19°C / 67°F	9°C / 48°F	14°C / 57°F	172 hours	89.30 mm / 3.52 In	10 days	1017 mb / 31 In
2015	19°C / 67°F	9°C / 48°F	14°C / 57°F	203 hours	26.40 mm / 1.04 In	3 days	1015 mb / 30 In
2016	19°C / 66°F	9°C / 49°F	14°C / 58°F	166 hours	58.80 mm / 2.31 In	5 days	1017 mb / 31 In
2017	19°C / 66°F	8°C / 46°F	13°C / 56°F	188 hours	88.20 mm / 3.47 In	9 days	1016 mb / 30 In
2018	21°C / 70°F	10°C / 51°F	16°C / 60°F	205 hours	19.70 mm / 0.78 In	3 days	1017 mb / 31 In
2019	21°C / 70°F	10°C / 49°F	15°C / 59°F	228 hours	56.50 mm / 2.22 In	7 days	1013 mb / 30 In
2020	19°C / 66°F	10°C / 50°F	14°C / 58°F	123 hours	127.17 mm / 5.01 In	10 days	1016 mb / 30 In
2021	18°C / 64°F	8°C / 47°F	13°C / 56°F	142 hours	68.60 mm / 2.70 In	5 days	1019 mb / 31 In
2022	15°C / 59°F	7°C / 44°F	11°C / 51°F	46 hours	151.00 mm / 5.94 In	12 days	1017 mb / 30 In
2023	22°C / 71°F	10°C / 49°F	15°C / 60°F	191 hours	34.35 mm / 1.35 In	1 days	1015 mb / 30 In
2024	17°C / 62°F	7°C / 44°F	12°C / 53°F	119 hours	76.06 mm / 2.99 In	7 days	1017 mb / 31 In

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