Winthrop is located in Okanogan County, Washington. There are roughly 30 residents, living in 15 households. The average temperature for Winthrop this time of the year is low of 35F and high of 59F. On average, Winthrop gets about 1.29 inches of precipitation in May. Most residents are home owners (70%), have a post secondary degree (71%) and are single, no kids (42%).
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