When do sand martins arrive in the UK?

In the GBIF records, UK sightings of the sand martin rise sharply from late March and are near their peak by late March.

When do sand martins leave the UK?

UK sightings fall away after mid September.

Where do sand martins go in winter?

From December to February the strongest signal in the effort-adjusted GBIF records is around Kenya and Uganda. The globe shows the whole winter range month by month.

When do sand martins arrive in and leave the UK?

A summer visitor in the records: sightings jump in late March and fall away after mid September.

When do sand martins arrive in the UK?: In the GBIF records, UK sightings of the sand martin rise sharply from late March and are near their peak by late March.
When do sand martins leave the UK?: UK sightings fall away after mid September.
Where do sand martins go in winter?: From December to February the strongest signal in the effort-adjusted GBIF records is around Kenya and Uganda. The globe shows the whole winter range month by month.

Sand martin in the UK, month by month

JanFebMarAprMayJunJulAugSepOctNovDec

Bars: this species’ share of all UK bird records in GBIF (CC0/CC BY 4.0 only), by month, scaled to the peak month. Based on 166,376 UK records (occurrence search API, country=GB, weekly). Dates come from sightings, not a survey, so treat them as a guide.

See the sand martin migration on the 3D globe →

About the sand martin

The sand martin, also known as the collared sand martin or common sand martin, and in the Americas as the bank swallow, is a migratory passerine bird in the swallow family Hirundinidae. …

From the Wikipedia article “Sand martin” (revision 1380703927), CC BY-SA 4.0, shortened at a sentence end. Winter/summer areas: country containing the monthly hotspot of effort-adjusted GBIF records, using Natural Earth boundaries (public domain).

Other UK summer visitors: see the full list with arrival and departure dates.