This Skagit Flats–Fidalgo Loop auto tour traces a 74-mile, counter-clockwise itinerary through the western portion of the county, offering an introduction to the natural variety that makes Skagit Valley such a marvel. From the bustling cities of Mount Vernon and Burlington along the I-5 corridor, the route strikes west to the shores of Padilla Bay, circles Fidalgo Island through the port city of Anacortes, and passes the scenic Deception Pass State Park. Returning to the mainland, it traverses the Skagit Flats, a fertile agricultural district that dazzles with colorful floral displays every spring.
Before you hit the road, a note about planning: The entire Skagit Flats–Fidalgo Loop auto tour is drivable year-round, although the height of summer (July through September) means the best weather — with average highs reaching the low 70s in July and August. Unsurprisingly, these also are the driest months, with each averaging less than an inch of rainfall; the rainy season — October through March — brings two to four inches of precipitation per month. Overall, the region receives 25 to 35 inches of rain annually. And even with mild year-round temperatures, ice may present a hazard on clear winter mornings. Snowfall is infrequent, and some years may pass with negligible accumulations.
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