Best time to travel to King County

Discover the ideal time to visit King County

Planning a trip to King County? Based on weather conditions, the best time to visit is during July, August and September, see the table bellow for more details.

On this page, you will find detailed climate data, graphs, and insights about King County to help you plan your trip and choose the most optimal time to visit.

King County Monthly Climate Overview

Click on a month for in-depth weather statistics and trends

Month	Temperatures	Total Rain	Total Snow	Rainy Days	Snow Days	Dry Days
January	7°/2°	171 mm	4 cm	14 days	1 days	16 days
February	7°/2°	142 mm	10 cm	12 days	2 days	14 days
March	10°/3°	149 mm	5 cm	15 days	1 days	15 days
April	13°/5°	96 mm	0 cm	13 days	0 days	17 days
May	18°/8°	70 mm	0 cm	11 days	0 days	20 days
June	22°/11°	55 mm	0 cm	8 days	0 days	22 days
July	26°/14°	9 mm	0 cm	3 days	0 days	28 days
August	26°/14°	40 mm	0 cm	6 days	0 days	25 days
September	21°/11°	55 mm	0 cm	6 days	0 days	24 days
October	16°/8°	130 mm	0 cm	11 days	0 days	20 days
November	10°/5°	262 mm	2 cm	16 days	0 days	14 days
December	7°/3°	255 mm	5 cm	18 days	2 days	11 days