highest batting average in a month, minimum 129 at-bats

Tristram Speaker and Ty Cobb are tied for the highest batting average with 129+ at-bats in a month, with an average of .489.

Interpreted as:

highest batting average by a player in a month, minimum 129 at-bats

	NAME	AVG	AB	MONTH	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Tristram Speaker T. Speaker	.489	137	July 1923	33	35	67	18	4	4	37	14	0	0	1		155	105	26	4				.536	.766	1.303
2	Ty Cobb T. Cobb	.489	137	July 1922	32	26	67	18	1	2	25	12	2	5	5		154	93	21	3				.536	.679	1.215
3	Pie Traynor P. Traynor	.460	139	August 1928	32	34	64	11	5	1	49	4	1	1	4		150	88	17	6				.479	.633	1.112
4	Earl Averill E. Averill	.451	133	July 1936	32	40	60	9	4	8	38	9	0	5	0		142	101	21	0				.486	.759	1.245
5	Babe Ruth B. Ruth	.450	131	July 1924	37	43	59	9	3	14	40	31	0	16	2		164	116	26	2				.556	.885	1.441
6	George Sisler G. Sisler	.442	129	September 1920	30	28	57	11	9	2	26	13	0	4	11		146	92	22	4				.493	.713	1.206
7	Al Simmons A. Simmons	.439	132	July 1928	33	27	58	12	1	8	41	10	2	6	1		146	96	21	2				.486	.727	1.213
8	Rogers Hornsby R. Hornsby	.438	130	September 1922	30	37	57	8	4	10	29	6	0	7	0		140	103	22	4				.463	.792	1.256
9	Chuck Klein C. Klein	.433	141	July 1930	33	44	61	18	1	10	38	11	1	13	1		154	111	29	1				.477	.787	1.264
10	Joe Sewell J. Sewell	.431	130	July 1925	31	21	56	10	1	0	35	14	1	0	4		147	68	11	2				.490	.523	1.013
11	George Sisler G. Sisler	.429	140	August 1921	32	27	60	7	4	5	29	5	0	4	6		150	90	16	5				.448	.643	1.091
12	Enos Slaughter E. Slaughter	.423	130	August 1948	33	25	55	7	5	1	22	15	0	5	0		148	75	13	3			1	.483	.577	1.060
13	Gee Walker G. Walker	.423	149	August 1936	32	25	63	16	1	6	32	7	3	6	2		161	99	23	2				.459	.664	1.124
14	Babe Herman B. Herman	.420	138	July 1930	35	38	58	16	2	5	21	16	3	6	5		161	93	23	4				.490	.674	1.164
15	Bill Terry B. Terry	.419	129	August 1932	31	23	54	9	3	6	27	5	0	2	1		134	87	18	0				.440	.674	1.115
16	Bibb Falk B. Falk	.418	134	July 1924	33	25	56	15	3	1	25	9	1	6	1		148	80	19	4				.458	.597	1.055
17	Travis Jackson T. Jackson	.417	132	July 1927	35	18	55	12	0	5	33	9	0	8	4		144	82	17	3				.454	.621	1.075
18	Heinie Manush H. Manush	.417	132	July 1926	31	28	55	15	2	3	25	6	1	10	3		148	83	20	9				.446	.629	1.075
19	Earl Averill E. Averill	.416	137	July 1930	34	27	57	10	3	7	36	11	0	6	1		151	94	20	3				.459	.686	1.146
20	Hank Aaron H. Aaron	.414	133	August 1958	34	22	55	9	3	5	24	12	0	12	0	1	146	85	17	0	1	2	3	.459	.639	1.098
21	Ginger Beaumont G. Beaumont	.412	131	September 1901	32	40	54	5	0	2	24	16	1		6		150	65	7	2				.480	.496	.976
22	Bill Terry B. Terry	.412	136	July 1930	33	34	56	8	4	6	30	10	0	6	3		152	90	18	6				.452	.662	1.114
23	George Sisler G. Sisler	.412	136	July 1917	33	15	56	15	4	1		5	0	3	5		142	82	20	1				.433	.603	1.036
24	Ty Cobb T. Cobb	.411	141	May 1921	33	40	58	13	7	6	30	12	1	5	6		157	103	26	3				.461	.730	1.192
25	Dom DiMaggio D. DiMaggio	.411	129	August 1950	30	35	53	9	5	1	18	19	0	10	3		150	75	15	2			3	.486	.581	1.068