Based on 3,157 research-grade iNaturalist observations in Washington, Barn Swallow is most often recorded in July; in Washington it behaves like a summer visitor / breeder. It ranks #43 among birds recorded in the state in our data.
Hirundo rustica
Barn Swallow in Washington by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Washington in July
Places to look in Washington
National ForestGifford Pinchot National Forest
National ForestOlympic National Forest
State ParkPeace Arch Park
National ForestColville National Forest
National ForestMount Baker–Snoqualmie National Forest
Botanical GardenBellevue Botanical Garden
FAQ
When does Barn Swallow appear in Washington?
Mainly April–August, with the most records in July.
How common is Barn Swallow in Washington?
It ranks #43 by number of iNaturalist observations among birds in Washington (3,157 records in our sample).