Actually, my need is not quite "this month" but "last month".
SELECT * FROM WIDGETS WHERE
(DATEPART(m, MADE_ON) = DATEPART(m, GETDATE())) AND (DATEPART(yy, MADE_ON) = DATEPART(yy, GETDATE()))
does not work because of January. There must be some staightforward method but I cannot find it in BOL.