Barn Swallows reach West Virginia in early April, are common by mid April, peak in late July (30% of checklists), and most are gone by late August.
When to look
First arrivalsApr 1-7early April
Common byApr 15-21mid April
PeakJul 22-31late July
Most gone byAug 22-31late August
Best: late July. First arrivals early April; most are gone by late August. Peak: on about 30% of West Virginia 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.
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 West Virginia 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.
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In West Virginia, the Barn Swallow is most often listed on checklists started between 6 and 8 pm (18% 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%
0.1%
0%
March
0%
0%
0.2%
0.6%
April
4.4%
6.7%
13%
18%
May
22%
24%
23%
23%
June
21%
23%
23%
26%
July
26%
26%
29%
30%
August
30%
27%
24%
14%
September
8.0%
3.4%
2.0%
0.9%
October
0.7%
0.3%
0.2%
0.1%
November
0%
0%
0%
0%
December
0%
0%
0%
0%
Neighboring states
Virginia: arrives early April, in the same week than West Virginia
Maryland: arrives early April, in the same week than West Virginia
Ohio: arrives early April, in the same week than West Virginia
Common questions
When do Barn Swallows arrive in West Virginia?
Barn Swallows reach West Virginia in early April, are common by mid April, peak in late July (30% of checklists), and most are gone by late August.
When do Barn Swallows leave West Virginia?
Most Barn Swallows have left West Virginia 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 West Virginia?
The Barn Swallow is reported most often in late July, on about 30% of West Virginia checklists.
Where in West Virginia are Barn Swallows seen most often?
By county, Mineral County, Wetzel County, and Preston County have the highest peak reporting rates for the Barn Swallow (counties with at least 200 checklists).