With Cardiff and Swansea still in lockdown from 25 September, further local lockdowns began on the 1 October in Conwy, Denbighshire and Wrexham followed by Bangor on the 10 October.
Gyda Chaerdydd ac Abertawe yn dal i fod dan glo o 25 Medi, cychwynnodd mwy o gyfnodau clo lleol ar 1 Hydref yng Nghonwy, Sir Ddinbych a Wrecsam ac yna Bangor ar 10 Hydref.