Seatac Weather History Washington, United States of America

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
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Fri 09 May, 2025 Weather in Seatac

Sunrise: 05:40 AM Sunset: 08:32 PM	Moonrise: 05:55 PM Moonset: 04:17 AM	Max: 19.2 °c	Min: 6.2 °c	Avg: 12.8 °c	Precip: 0.00 mm	Max Wind: 9.4 kph

	Fri 09 0:00 am	Fri 09 3:00 am	Fri 09 6:00 am	Fri 09 9:00 am	Fri 09 12:00 pm	Fri 09 3:00 pm	Fri 09 6:00 pm	Fri 09 9:00 pm
Icon
Temp	8.3°c	6.6°c	7.4°c	11.6°c	16.6°c	18.9°c	17.9°c	14.5°c
Wind	6.1 kmph	2.9 kmph	1.8 kmph	2.2 kmph	2.5 kmph	3.6 kmph	4.7 kmph	8.3 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	8%	8%	10%	18%	47%	83%	96%	94%
Humidity	64%	75%	76%	61%	44%	38%	39%	45%
Pressure	1024 mb	1023 mb	1023 mb	1022 mb	1020 mb	1018 mb	1018 mb	1019 mb

Seatac Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	7°C / 45°F	2°C / 36°F	4°C / 40°F	108 hours	176.26 mm / 6.94 In	12 days	1019 mb / 31 In
February	8°C / 46°F	2°C / 35°F	4°C / 40°F	87 hours	135.99 mm / 5.35 In	12 days	1018 mb / 31 In
March	10°C / 51°F	3°C / 38°F	6°C / 44°F	98 hours	147.20 mm / 5.80 In	13 days	1016 mb / 30 In
April	13°C / 56°F	5°C / 41°F	9°C / 48°F	113 hours	113.27 mm / 4.46 In	10 days	1018 mb / 31 In
May	18°C / 64°F	8°C / 46°F	13°C / 55°F	164 hours	78.80 mm / 3.10 In	8 days	1017 mb / 30 In
June	21°C / 70°F	10°C / 51°F	16°C / 60°F	181 hours	56.81 mm / 2.24 In	6 days	1016 mb / 30 In
July	26°C / 78°F	13°C / 56°F	19°C / 67°F	255 hours	16.23 mm / 0.64 In	2 days	1017 mb / 31 In
August	26°C / 78°F	14°C / 57°F	20°C / 67°F	266 hours	25.20 mm / 0.99 In	3 days	1016 mb / 30 In
September	22°C / 71°F	12°C / 53°F	16°C / 61°F	203 hours	76.79 mm / 3.02 In	7 days	1016 mb / 30 In
October	16°C / 60°F	8°C / 47°F	11°C / 52°F	165 hours	147.65 mm / 5.81 In	10 days	1017 mb / 31 In
November	10°C / 49°F	4°C / 40°F	7°C / 44°F	107 hours	203.83 mm / 8.02 In	14 days	1017 mb / 31 In
December	6°C / 44°F	2°C / 35°F	4°C / 39°F	101 hours	191.16 mm / 7.53 In	13 days	1018 mb / 31 In

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