who has the highest batting average in a month since 1980 while playing 20 or more games

Since 1980, Josh Phelps has the highest batting average with 20+ games played in a month, with an average of .516 in August 2007.

	NAME	AVG	G	MONTH	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Josh Phelps J. Phelps	.516	24	August 2007	31	9	16	3	1	4	12	6	0	4	0	0	38	33	8	0	1	0	0	.579	1.065	1.643
2	Todd Helton T. Helton	.512	23	May 2000	82	32	42	7	0	11	26	18	0	9	0	0	102	82	18	0	2	5	2	.588	1.000	1.588
3	Laynce Nix L. Nix	.500	21	July 2010	22	2	11	5	0	0	2	4	0	5	0	0	26	16	5	0	0	3	0	.577	.727	1.304
4	Ivan Rodriguez I. Rodriguez	.500	22	June 2004	86	16	43	9	1	3	17	8	1	10	4	0	96	63	13	0	1	0	1	.542	.733	1.274
5	Roberto Alomar R. Alomar	.500	20	September 1997	70	12	35	9	0	4	17	5	1	5	0	0	78	56	13	1	1	0	2	.532	.800	1.332
6	Carl Everett C. Everett	.500	20	July 1996	28	7	14	3	0	1	5	2	1	5	1	0	31	20	4	0	0	0	1	.548	.714	1.263
7	George Brett G. Brett	.494	21	July 1980	85	18	42	12	3	3	25	11	0	1	1	2	98	69	18	0	2	3	2	.541	.812	1.353
8	Bobby Witt Jr. B. Witt Jr.	.489	23	July 2024	90	26	44	8	1	7	22	6	2	10	2	2	100	75	16	0	2	0	0	.520	.833	1.353
9	Jason Rogers J. Rogers	.488	21	September 2015	41	10	20	1	1	2	9	6	0	8	0	0	47	29	4	0	0	0	0	.553	.707	1.261
10	Wade Boggs W. Boggs	.485	26	June 1987	101	26	49	8	4	4	19	22	1	5	0	0	125	77	16	1	0	8	4	.581	.762	1.343
11	Jose Altuve J. Altuve	.485	23	July 2017	99	22	48	10	1	4	21	7	1	9	8	2	107	72	15	0	0	0	2	.523	.727	1.251
12	Todd Helton T. Helton	.476	29	August 2000	105	22	50	18	0	7	32	17	2	7	2	0	126	89	25	0	2	5	1	.548	.848	1.395
13	Richard Hidalgo R. Hidalgo	.476	28	September 2000	103	36	49	14	2	11	31	11	4	9	5	0	120	100	27	0	2	2	0	.533	.971	1.504
14	Paul Molitor P. Molitor	.476	25	September 1989	103	18	49	13	0	2	18	5	0	7	7	1	110	68	15	0	2	0	3	.491	.660	1.151
15	Dave Winfield D. Winfield	.476	24	June 1984	103	20	49	10	1	2	19	5	0	11	3	1	109	67	13	0	1	0	2	.495	.650	1.146
16	Steve Tolleson S. Tolleson	.474	20	September 2014	19	6	9	1	0	0	3	0	0	5	0	0	21	10	1	2	0	0	0	.474	.526	1.000
17	John Vander Wal J. Vander Wal	.474	21	September 1995	19	3	9	3	1	1	3	2	0	2	0	0	21	17	5	0	0	2	2	.524	.895	1.419
18	Tony Gwynn T. Gwynn	.473	25	June 1987	93	22	44	5	5	1	16	11	0	3	12	3	105	62	11	0	1	4	1	.524	.667	1.190
19	Mark McLemore M. McLemore	.472	21	June 1996	72	24	34	4	1	1	11	15	0	8	7	3	88	43	6	1	0	0	3	.563	.597	1.160
20	Barry Bonds B. Bonds	.472	23	April 2004	53	21	25	5	0	10	22	39	0	6	2	0	92	60	15	0	0	18	2	.696	1.132	1.828
21	Lance Berkman L. Berkman	.471	28	May 2008	104	31	49	11	1	9	22	18	1	18	6	1	123	89	21	0	0	6	1	.553	.856	1.409
22	Jason Lane J. Lane	.471	22	September 2004	17	4	8	1	1	1	3	1	0	5	0	0	18	14	3	0	0	0	0	.500	.824	1.324
23	Wade Boggs W. Boggs	.471	27	May 1986	102	24	48	9	0	3	20	24	0	5	0	1	127	66	12	0	1	0	2	.567	.647	1.214
24	Terry Whitfield T. Whitfield	.466	22	August 1980	58	11	27	5	0	2	9	4	0	8	1	0	62	38	7	0	0	1	1	.500	.655	1.155
25	Bip Roberts B. Roberts	.464	25	September 1992	84	20	39	6	3	2	11	10	1	4	8	4	95	57	11	0	0	1	2	.526	.679	1.205