Cuculus canorus – COG – Breeding summer visitor. Not recorded in January, February, October and November
Earlier records are summarised in Cuckoo 1994
| Year | First sighting | Last sighting |
| 1993 | 19 April | 24 July |
| 1994 | to be added | |
| 1995 | 21 April | 21 August |
| 1996 | 17 April | 18 September |
| 1997 | 19 April | 6 October |
| 1998 | 27 April | 24 July |
| 1999 | 15 April | 10 August |
| 2000 | 18 April | 5 September |
| 2001 | 19 April | 5 October |
| 2002 | 24 April | 6 August |
| 2003 | 17 April | 11 November |
| 2004 | 13 March | 21 August |
| 2005 | 16 April | 10 September |
| 2006 | 19 April | 28 July |
| 2007 | 25 April | 25 August |
| 2008 | 22 April | 9 September |
| 2009 | 2 April | no autumn records |
| 2010 | 3 April | no autumn records |
| 2011 | 16 April | 27 July |
| 2012 | 23 March | 25 June |
| 2013 | 19 April | 2 August |
| 2014 | 20 April | 19 July |
| 2015 | 17 April | 6 August |
| 2016 | 21 April | no autumn records |
| 2017 | 18 April | 26 July |
| 2018 | 18 April | 10 August |
| 2019 | 4 April | 25 July |
| 2020 | 22 April | 19 July |
Records extracted from the Pembrokeshire Bird Reports, which may contain more detail than shown here.
