When do swallows leave Kentucky?

Most Barn Swallows have left Kentucky by late August, when reports fall below half their usual rate. Stragglers are still reported until the second week of September.

When is the best time to see swallows in Kentucky?

The Barn Swallow is reported most often in early August, on about 34% of Kentucky checklists.

Which swallows are in Kentucky?

Barn Swallow, Chimney Swift, Tree Swallow, Purple Martin, Cliff Swallow, and Bank Swallow are reported regularly; the Barn Swallow is the most common.

6 swallow species in Kentucky

When Do Swallows Arrive in Kentucky?

Photo: Diego González Dopico, CC BY 4.0 via iNaturalist

Barn Swallows, Chimney Swifts, and Tree Swallows are the swallows you are most likely to see in Kentucky. Barn Swallows reach Kentucky in late March, are common by mid April, peak in early August (34% of checklists), and most are gone by late August.

When to look

First arrivalsMar 22-31late March

Common byApr 15-21mid April

PeakAug 1-7early August

Most gone byAug 22-31late August

Best: early August. First arrivals late March; most are gone by late August. Peak: on about 34% of Kentucky checklists.

Jannot usually seen
Febnot usually seen
Marrare
Aprcommon
Maypeak season
Junpeak season
Julpeak season
Augpeak season
Sepuncommon
Octnot usually seen
Novnot usually seen
Decnot usually seen

Darker months: more checklists report it. Outlined: peak month.

Swallows in Kentucky, species by species

Species	First arrivals	Common by	Peak	Most gone by	Peak %
Barn Swallow	Mar 22-31	Apr 15-21	Aug 1-7	Aug 22-31	34%
Chimney Swift	Apr 8-14	Apr 15-21	May 15-21	Oct 1-7	25%
Tree Swallow	Mar 1-7	Mar 15-21	Apr 15-21	Jul 8-14	22%
Purple Martin	Mar 8-14	Apr 8-14	Jul 15-21	Aug 22-31	21%
Cliff Swallow	Apr 8-14	Apr 15-21	Jun 1-7	Aug 15-21	4.3%
Bank Swallow	Apr 15-21	Apr 15-21	Aug 8-14	Sep 1-7	2.3%

Barn Swallow
Chimney Swift
Tree Swallow
Purple Martin

Share of complete checklists reporting each species, by week (4 per month). Gaps: fewer than 10 checklists that week.

Frequency is the share of complete checklists in Kentucky that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.

Where in Kentucky

Best counties for Barn Swallow

Share of checklists at the peak

Spencer CountyBest early August · 162 checklists that week, 7,721 in all76%
Metcalfe CountyBest early August · 17 checklists that week, 798 in all75%
Mercer CountyBest early July · 32 checklists that week, 1,919 in all74%
Wayne CountyBest the second week of July · 15 checklists that week, 942 in all68%
Christian CountyBest late July · 74 checklists that week, 2,713 in all67%
Todd CountyBest mid July · 36 checklists that week, 2,920 in all67%

All swallows in Kentucky

6 species are reported regularly: 6 are summer visitors.

#	Species	Pattern	First arrivals	Peak	Peak %
1	Barn Swallow	Summer visitor	Mar 22-31	Aug 1-7	34%
2	Tree Swallow	Summer visitor	Mar 1-7	Apr 15-21	22%
3	Purple Martin	Summer visitor	Mar 8-14	Jul 15-21	21%
4	Northern Rough-winged Swallow	Summer visitor	Mar 15-21	Apr 22-30	14%
5	Cliff Swallow	Summer visitor	Apr 8-14	Jun 1-7	4.3%
6	Bank Swallow	Summer visitor	Apr 15-21	Aug 8-14	2.3%

Common questions

When do swallows arrive in Kentucky?: Barn Swallows reach Kentucky in late March, are common by mid April, peak in early August (34% of checklists), and most are gone by late August.
When do swallows leave Kentucky?: Most Barn Swallows have left Kentucky by late August, when reports fall below half their usual rate. Stragglers are still reported until the second week of September.
When is the best time to see swallows in Kentucky?: The Barn Swallow is reported most often in early August, on about 34% of Kentucky checklists.
Which swallows are in Kentucky?: Barn Swallow, Chimney Swift, Tree Swallow, Purple Martin, Cliff Swallow, and Bank Swallow are reported regularly; the Barn Swallow is the most common.