Seattle January Weather Averages Washington, United States of America

January Weather Averages for Seattle

High Temp	7°C	45°F
Low Temp	2°C	36°F
Avg Temp	5°C	40°F
Sunshine Hours	110 hours
Rainfall	176.84 mm	6.96 In
Rain days	13 days
Pressure	1019 mb	31 In

Seattle January Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	4°C / 40°F	0°C / 32°F	2°C / 36°F	127 hours	138.50 mm / 5.45 In	17 days	1014 mb / 30 In
2009	7°C / 44°F	1°C / 33°F	3°C / 38°F	167 hours	183.04 mm / 7.21 In	11 days	1025 mb / 31 In
2010	8°C / 47°F	4°C / 40°F	6°C / 43°F	126 hours	179.20 mm / 7.06 In	12 days	1011 mb / 30 In
2011	7°C / 44°F	2°C / 35°F	4°C / 40°F	103 hours	224.60 mm / 8.84 In	15 days	1022 mb / 31 In
2012	6°C / 43°F	1°C / 34°F	3°C / 38°F	78 hours	177.60 mm / 6.99 In	18 days	1019 mb / 31 In
2013	6°C / 44°F	0°C / 33°F	3°C / 37°F	178 hours	150.20 mm / 5.91 In	12 days	1023 mb / 31 In
2014	9°C / 48°F	2°C / 36°F	5°C / 40°F	191 hours	140.70 mm / 5.54 In	9 days	1023 mb / 31 In
2015	10°C / 50°F	3°C / 38°F	6°C / 43°F	169 hours	157.00 mm / 6.18 In	9 days	1023 mb / 31 In
2016	8°C / 46°F	3°C / 37°F	5°C / 41°F	127 hours	171.47 mm / 6.75 In	16 days	1015 mb / 30 In
2017	6°C / 42°F	-1°C / 31°F	2°C / 36°F	147 hours	82.13 mm / 3.23 In	8 days	1018 mb / 31 In
2018	9°C / 48°F	4°C / 39°F	6°C / 43°F	63 hours	265.60 mm / 10.46 In	21 days	1018 mb / 31 In
2019	9°C / 49°F	3°C / 38°F	6°C / 43°F	163 hours	117.80 mm / 4.64 In	7 days	1018 mb / 31 In
2020	7°C / 45°F	3°C / 38°F	5°C / 42°F	9 hours	349.90 mm / 13.78 In	27 days	1015 mb / 30 In
2021	8°C / 47°F	3°C / 38°F	6°C / 42°F	64 hours	253.85 mm / 9.99 In	11 days	1017 mb / 31 In
2022	8°C / 47°F	2°C / 35°F	5°C / 40°F	94 hours	229.50 mm / 9.04 In	14 days	1021 mb / 31 In
2023	8°C / 46°F	2°C / 36°F	5°C / 41°F	24 hours	34.60 mm / 1.36 In	8 days	1016 mb / 30 In
2024	6°C / 43°F	2°C / 36°F	4°C / 39°F	58 hours	164.03 mm / 6.46 In	10 days	1014 mb / 30 In
2025	6°C / 42°F	2°C / 35°F	4°C / 38°F	106 hours	125.09 mm / 4.92 In	6 days	1028 mb / 31 In

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