WhenToBird

Hirundo rustica · Hirundinidae

When Do Barn Swallows Arrive in Florida?

Adult Barn Swallow
Photo: Diego González Dopico, CC BY 4.0 via iNaturalist

Barn Swallows reach Florida in early March, are common by late March, peak in late August (25% of checklists), and most are gone by the second week of October.

When to look

First arrivalsMar 1-7early March
Common byMar 22-31late March
PeakAug 22-31late August
Most gone byOct 8-14the second week of October

Best: late August. First arrivals early March; most are gone by the second week of October. Peak: on about 25% of Florida checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Maruncommon
  4. Apruncommon
  5. Mayuncommon
  6. Jununcommon
  7. Juluncommon
  8. Augpeak season
  9. Seppeak season
  10. Octuncommon
  11. Novrare
  12. Decnot usually seen

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

0%10%20%30%Jan 1-7: 0.1% of 74446 checklistsJan 8-14: 0.1% of 60074 checklistsJan 15-21: 0.1% of 62945 checklistsJan 22-31: 0.1% of 84954 checklistsFeb 1-7: 0.1% of 59204 checklistsFeb 8-14: 0.1% of 63259 checklistsFeb 15-21: 0.1% of 77150 checklistsFeb 22-28: 0.4% of 62850 checklistsMar 1-7: 1.0% of 58560 checklistsMar 8-14: 2.2% of 57756 checklistsMar 15-21: 3.8% of 54898 checklistsMar 22-31: 4.3% of 76702 checklistsApr 1-7: 6.4% of 55096 checklistsApr 8-14: 8.4% of 55892 checklistsApr 15-21: 10% of 59358 checklistsApr 22-30: 10% of 73124 checklistsMay 1-7: 8.8% of 47915 checklistsMay 8-14: 6.7% of 44114 checklistsMay 15-21: 5.9% of 31858 checklistsMay 22-31: 5.0% of 40723 checklistsJun 1-7: 5.1% of 31668 checklistsJun 8-14: 4.6% of 27802 checklistsJun 15-21: 4.4% of 26698 checklistsJun 22-30: 4.1% of 32346 checklistsJul 1-7: 4.4% of 23826 checklistsJul 8-14: 4.6% of 23071 checklistsJul 15-21: 6.1% of 22903 checklistsJul 22-31: 8.8% of 32952 checklistsAug 1-7: 13% of 25093 checklistsAug 8-14: 16% of 24888 checklistsAug 15-21: 22% of 26030 checklistsAug 22-31: 28% of 38612 checklistsSep 1-7: 24% of 31023 checklistsSep 8-14: 16% of 30022 checklistsSep 15-21: 12% of 31611 checklistsSep 22-30: 8.8% of 42108 checklistsOct 1-7: 6.4% of 36219 checklistsOct 8-14: 5.0% of 43113 checklistsOct 15-21: 3.1% of 40987 checklistsOct 22-31: 2.8% of 53457 checklistsNov 1-7: 2.8% of 38587 checklistsNov 8-14: 2.0% of 39208 checklistsNov 15-21: 0.9% of 39729 checklistsNov 22-30: 0.4% of 54965 checklistsDec 1-7: 0.2% of 42070 checklistsDec 8-14: 0.1% of 43424 checklistsDec 15-21: 0.1% of 50581 checklistsDec 22-31: 0.1% of 82405 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
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 Florida 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
Second week of November

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.

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Where in Florida

Best counties

Share of checklists at the peak
  1. Monroe CountyBest late August · 816 checklists that week, 62,908 in all61%
  2. Glades CountyBest late August · 245 checklists that week, 6,182 in all59%
  3. Hardee CountyBest early September · 10 checklists that week, 1,078 in all59%
  4. Okeechobee CountyBest late August · 117 checklists that week, 5,380 in all54%
  5. Hendry CountyBest mid August · 36 checklists that week, 3,103 in all53%
  6. Miami-Dade CountyBest late August · 1802 checklists that week, 118,849 in all49%

Best spots

Share of checklists at the peak
  1. River Lakes Conservation AreaBrevard County, best late August · 22 checklists that week, 1,069 in all97%
  2. Blue Cypress Conservation AreaIndian River County, best early July · 21 checklists that week, 372 in all91%
  3. Frog Pond/L-31 N Transition LandsMiami-Dade County, best late August · 58 checklists that week, 3,835 in all90%

Busy spots report more of everything; compare the checklist counts before you drive anywhere.

Best time of day

In Florida, the Barn Swallow is most often listed on checklists started between 6 and 8 am (7.4% of those checklists).

0%5%10%12 am: too few checklists (771) to judge1 am: too few checklists (771) to judge2 am: too few checklists (701) to judge3 am: too few checklists (752) to judge4 am: too few checklists (1378) to judge5 am: too few checklists (9462) to judge6 am: 8.3% of 94591 checklists7 am: 7.1% of 296183 checklists8 am: 5.6% of 319987 checklists9 am: 4.4% of 254830 checklists10 am: 4.1% of 209480 checklists11 am: 3.5% of 163924 checklists12 pm: 3.2% of 133478 checklists1 pm: 3.0% of 125012 checklists2 pm: 2.9% of 125299 checklists3 pm: 3.1% of 131072 checklists4 pm: 3.5% of 134410 checklists5 pm: 4.9% of 113373 checklists6 pm: 6.9% of 69886 checklists7 pm: too few checklists (37509) to judge8 pm: too few checklists (8966) to judge9 pm: too few checklists (2093) to judge10 pm: too few checklists (1485) to judge11 pm: too few checklists (862) to judge12a3a6a9a12p3p6p9p
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
MonthDays 1-78-1415-2122-end
January0.1%0.1%0.1%0.1%
February0.1%0.1%0.1%0.4%
March1.0%2.2%3.8%4.3%
April6.4%8.4%10%10%
May8.8%6.7%5.9%5.0%
June5.1%4.6%4.4%4.1%
July4.4%4.6%6.1%8.8%
August13%16%22%28%
September24%16%12%8.8%
October6.4%5.0%3.1%2.8%
November2.8%2.0%0.9%0.4%
December0.2%0.1%0.1%0.1%

Neighboring states

  • Georgia: arrives the second week of March, 1 week later than Florida
  • South Carolina: arrives mid March, 2 weeks later than Florida
  • Alabama: arrives the second week of March, 1 week later than Florida
  • Mississippi: arrives early March, in the same week than Florida

Common questions

When do Barn Swallows arrive in Florida?
Barn Swallows reach Florida in early March, are common by late March, peak in late August (25% of checklists), and most are gone by the second week of October.
When do Barn Swallows leave Florida?
Most Barn Swallows have left Florida by the second week of October, when reports fall below half their usual rate. Stragglers are still reported until mid November.
When is the best time to see a Barn Swallow in Florida?
The Barn Swallow is reported most often in late August, on about 25% of Florida checklists.
Where in Florida are Barn Swallows seen most often?
By county, Monroe County, Glades County, and Hardee County have the highest peak reporting rates for the Barn Swallow (counties with at least 200 checklists).