Barn Swallows reach New York in the second week of April, are common by late April, peak in early August (31% of checklists), and most are gone by late August.
When to look
First arrivalsApr 8-14the second week of April
Common byApr 22-30late April
PeakAug 1-7early August
Most gone byAug 22-31late August
Best: early August. First arrivals the second week of April; most are gone by late August. Peak: on about 31% of New York checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
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.
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.
Frequency is the share of complete checklists in New York 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.
JanFebMarAprMayJunJulAugSepOctNovDec
today
0%few checklistsno data
Each county is shaded by the share of complete checklists there that listed the bird, blended with the weeks either side. Darker is more often. It follows where people watch birds, not how many birds there are. How to read it.
Jordan PondPutnam County, best late May · 28 checklists that week, 648 in all98%
Andreoli ParkSuffolk County, best the second week of July · 23 checklists that week, 722 in all98%
Sleightsburgh ParkUlster County, best late June · 23 checklists that week, 971 in all98%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In New York, the Barn Swallow is most often listed on checklists started between 5 and 7 pm (14% of those checklists).
Share of checklists started in each local hour that reported it. It reflects when people go birding as well as when birds are active. Grey hours have too few checklists (under 2% of the state’s, or under 200) to judge.Week-by-week table
Month
Days 1-7
8-14
15-21
22-end
January
0%
0%
0%
0%
February
0%
0%
0%
0%
March
0%
0.1%
0.1%
0.2%
April
1.3%
3.6%
9.4%
16%
May
21%
24%
27%
28%
June
26%
26%
26%
26%
July
27%
29%
30%
31%
August
32%
31%
28%
19%
September
9.4%
3.6%
1.0%
0.6%
October
0.4%
0.2%
0.1%
0.1%
November
0.1%
0.1%
0.1%
0.1%
December
0%
0.1%
0%
0%
Neighboring states
Connecticut: arrives the second week of April, in the same week than New York
New Jersey: arrives early April, 1 week earlier than New York
Pennsylvania: arrives early April, 1 week earlier than New York
Vermont: arrives the second week of April, in the same week than New York
Common questions
When do Barn Swallows arrive in New York?
Barn Swallows reach New York in the second week of April, are common by late April, peak in early August (31% of checklists), and most are gone by late August.
When do Barn Swallows leave New York?
Most Barn Swallows have left New York 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 a Barn Swallow in New York?
The Barn Swallow is reported most often in early August, on about 31% of New York checklists.
Where in New York are Barn Swallows seen most often?
By county, Seneca County, Richmond County, and Wayne County have the highest peak reporting rates for the Barn Swallow (counties with at least 200 checklists).