team most ba in one month, season, minimum 450 pa

The New York Yankees have the highest batting average by a team when making 450+ plate appearances in a month, with an average of .366 in June 1930.

	TEAM	AVG	PA	MONTH	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Yankees	.366	1,219	June 1930	28	.714	20	8	1,043	261	382	64	26	40	245	137	5	99	22		618	130	34				.442	.593	1.035
2	Indians	.362	1,293	July 1925	31	.581	18	13	1,143	228	414	70	18	11	195	109	6	66	28		553	99	35				.421	.484	.904
3	Indians	.352	1,361	July 1936	33	.656	21	11	1,254	244	442	97	22	34	229	82	4	81	14		685	153	21				.394	.546	.940
4	Phillies	.347	1,138	June 1930	28	.429	12	16	1,039	181	361	81	11	15	171	77	5	71	9		509	107	17				.395	.490	.885
5	Pirates	.346	1,323	August 1928	32	.719	23	9	1,163	247	402	58	36	14	228	103	11	65	18		574	108	46				.404	.494	.898
6	Giants	.344	631	April 1922	15	.800	12	3	543	112	187	35	11	14	98	65	6	46	16		286	60	17				.420	.527	.947
7	Cardinals	.344	1,215	July 1924	31	.548	17	14	1,081	194	372	59	23	16	175	85	11	61	21		525	98	38				.398	.486	.883
8	Pirates	.342	1,146	August 1922	29	.690	20	9	1,041	192	356	47	23	17	180	66	6	68	21		500	87	33				.385	.480	.865
9	Giants	.338	1,028	June 1912	26	.846	22	4	884	217	299	59	21	13	186	99	12	84	68		439	93	33				.412	.497	.909
10	Yankees	.338	608	April 1927	15	.643	9	5	512	100	173	27	15	10	96	65	3	53	8		260	52	28				.416	.508	.923
11	Tigers	.335	1,050	June 1922	26	.577	15	11	889	155	298	46	17	10	141	106	7	47	11		408	73	48				.410	.459	.869
12	Athletics	.335	1,053	May 1911	26	.654	17	9	925	181	310	54	16	9		79	6		52		423	79	43				.391	.457	.848
13	Athletics	.335	1,115	July 1925	27	.667	18	9	985	168	330	67	20	15	150	75	3	67	8		482	102	52				.384	.489	.873
14	Senators	.335	1,216	June 1933	28	.741	20	7	1,087	218	364	76	16	18	204	99	4	67	17		526	110	26				.392	.484	.876
15	Pirates	.334	1,025	May 1925	25	.640	16	9	903	183	302	68	27	15	165	86	7	77	25		469	110	29				.397	.519	.916
16	Indians	.334	983	August 1923	23	.565	13	10	850	159	284	58	12	10	145	94	5	56	10		396	80	34				.404	.466	.869
17	Yankees	.334	609	April 1926	15	.800	12	3	521	111	174	31	14	15	103	58	4	55	11		278	60	26				.405	.534	.938
18	Giants	.334	1,316	July 1930	33	.636	21	12	1,184	223	395	56	10	30	199	87	6	78	13		561	96	39				.382	.474	.856
19	Browns	.333	971	September 1922	25	.680	17	8	875	155	291	49	14	15	146	65	10	72	21		413	78	21				.385	.472	.857
20	Royals	.332	1,068	July 1980	27	.667	18	9	957	160	318	54	15	18	150	90	4	108	24	11	456	87	7	10	9	33	.388	.476	.865
21	Tigers	.332	1,128	September 1924	28	.667	18	9	982	182	326	56	18	7	165	94	8	59	30		439	81	44				.395	.447	.842
22	Pirates	.332	1,064	June 1925	26	.692	18	8	949	195	315	72	19	20	168	88	5	49	28		485	111	22				.392	.511	.903
23	Tigers	.332	1,359	May 1921	33	.545	18	15	1,160	220	385	67	27	13	207	139	5	66	21		545	107	55				.406	.470	.876
24	Athletics	.332	1,308	July 1928	33	.758	25	8	1,125	203	373	89	7	31	197	129	7	67	7		569	127	47				.404	.506	.909
25	Phillies	.331	1,014	May 1925	25	.480	12	13	899	162	298	63	9	28	146	87	5	87	11		463	100	23				.394	.515	.909