Migration
Purple Martin Migration Map 2027: Arrival Dates by State
Purple Martin arrival runs from mid January in Florida to early May in New Mexico, across 39 states with enough data. Dates are typical for 2016-2025, not a forecast for 2027.
| State | First arrivals | Most gone by |
|---|---|---|
| Florida | Jan 15-21 | Sep 15-21 |
| Louisiana | Feb 1-7 | Sep 8-14 |
| Alabama | Feb 8-14 | Sep 8-14 |
| Mississippi | Feb 8-14 | Sep 8-14 |
| Georgia | Feb 15-21 | Aug 8-14 |
| Texas | Feb 15-21 | Sep 15-21 |
| Arkansas | Mar 1-7 | Sep 1-7 |
| South Carolina | Mar 1-7 | Sep 1-7 |
| Tennessee | Mar 1-7 | Sep 1-7 |
| Kentucky | Mar 8-14 | Sep 1-7 |
| Missouri | Mar 8-14 | Sep 1-7 |
| North Carolina | Mar 8-14 | Sep 1-7 |
| Oklahoma | Mar 8-14 | Sep 8-14 |
| Kansas | Mar 15-21 | Sep 1-7 |
| Delaware | Mar 22-31 | Sep 8-14 |
| District of Columbia | Mar 22-31 | Aug 15-21 |
| Indiana | Mar 22-31 | Sep 1-7 |
| Maryland | Mar 22-31 | Sep 8-14 |
| Ohio | Mar 22-31 | Sep 8-14 |
| Virginia | Mar 22-31 | Sep 1-7 |
| Illinois | Apr 1-7 | Sep 1-7 |
| Iowa | Apr 1-7 | Sep 1-7 |
| Nebraska | Apr 1-7 | Sep 15-21 |
| New Jersey | Apr 1-7 | Sep 8-14 |
| Connecticut | Apr 8-14 | Aug 22-31 |
| New York | Apr 8-14 | Sep 1-7 |
| Oregon | Apr 8-14 | Sep 8-14 |
| Pennsylvania | Apr 8-14 | Aug 22-31 |
| Rhode Island | Apr 8-14 | Sep 1-7 |
| South Dakota | Apr 8-14 | Sep 1-7 |
| West Virginia | Apr 8-14 | Aug 22-31 |
| Wisconsin | Apr 8-14 | Sep 1-7 |
| Massachusetts | Apr 15-21 | Aug 15-21 |
| Michigan | Apr 15-21 | Sep 1-7 |
| North Dakota | Apr 15-21 | Sep 1-7 |
| Washington | Apr 15-21 | Sep 8-14 |
| Minnesota | Apr 22-30 | Sep 1-7 |
| Arizona | May 1-7 | Sep 22-30 |
| New Mexico | May 1-7 | Aug 8-14 |
First arrivals = first week reports reach 10% of the usual in-season rate; for several species the earliest of them. Most gone by = last week at half that rate. Definitions.