The Philadelphia Phillies have the highest batting average by an NL team in a season, with an average of .350 in 1894.

	TEAM	AVG	SEASON	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	OBP	SLG	OPS
1	Phillies	.350	1894	132	.555	71	57	5,089	1,179	1,780	259	137	40	1,007	508	58	254	285		5,777	2,433	436	122	.415	.478	.893
2	Orioles	.343	1894	129	.695	89	39	4,799	1,171	1,647	271	150	33	976	516	98	200	324		5,564	2,317	454	151	.418	.483	.901
3	White Stockings	.337	1876	66	.788	52	14	2,748	624	926	131	32	8	441	70		45			2,818	1,145	171			.417
4	Beaneaters	.331	1894	133	.629	83	49	5,011	1,220	1,658	272	94	103	1,043	535	47	261	241		5,657	2,427	469	64	.401	.484	.885
5	Phillies	.330	1895	133	.595	78	53	5,037	1,068	1,664	272	73	61	930	463	69	262	276		5,689	2,265	406	120	.394	.450	.844
6	Orioles	.328	1896	132	.698	90	39	4,719	995	1,548	207	100	23	854	386	120	201	441		5,323	2,024	330	98	.393	.429	.822
7	Orioles	.325	1897	136	.692	90	40	4,872	964	1,584	243	66	19	821	437	115	255	401		5,496	2,016	328	72	.394	.414	.808
8	Orioles	.324	1895	132	.669	87	43	4,725	1,009	1,530	235	89	25	828	355	106	243	310		5,311	2,018	349	125	.384	.427	.811
9	Beaneaters	.319	1897	135	.705	93	39	4,937	1,025	1,574	230	83	45	885	423	47	263	233		5,521	2,105	358	114	.378	.426	.804
10	Giants	.319	1930	154	.565	87	67	5,553	959	1,769	264	83	143	880	422	21	382	59		6,161	2,628	490	165	.369	.473	.842
11	Phillies	.315	1930	156	.338	52	102	5,667	944	1,783	345	44	126	884	450	23	459	34		6,288	2,594	515	148	.367	.458	.825
12	Cardinals	.314	1930	154	.597	92	62	5,512	1,004	1,732	373	89	104	942	479	28	496	72		6,204	2,595	566	185	.372	.471	.843
13	Colts	.313	1894	137	.432	57	75	5,022	1,056	1,574	268	87	65	907	507	36	306	332		5,641	2,211	420	76	.380	.440	.821
14	Grooms	.312	1894	135	.534	70	61	4,851	1,024	1,514	231	130	42	869	467	35	295	282		5,453	2,131	403	100	.377	.439	.816
15	Pirates	.312	1894	133	.500	65	65	4,700	965	1,465	223	125	48	812	444	68	210	257		5,375	2,082	396	163	.379	.443	.822
16	Pirates	.309	1928	152	.559	85	67	5,371	837	1,659	246	100	52	768	435	29	352	64		6,037	2,261	398	202	.364	.421	.785
17	Phillies	.309	1929	154	.464	71	82	5,484	897	1,693	305	51	153	841	573	24	470	59		6,216	2,559	509	135	.377	.467	.843
18	Cubs	.309	1930	156	.584	90	64	5,581	998	1,722	305	72	171	940	588	37	635	70		6,354	2,684	548	148	.378	.481	.859
19	Cardinals	.308	1921	154	.569	87	66	5,309	809	1,635	260	88	83	733	382	29	452	94	94	5,915	2,320	431	195	.358	.437	.795
20	Pirates	.308	1922	155	.552	85	69	5,521	865	1,698	239	110	52	777	423	32	326	145	59	6,151	2,313	401	175	.360	.419	.779
21	Pirates	.307	1925	153	.621	95	58	5,372	912	1,651	316	105	78	820	499	30	363	159	63	6,036	2,411	499	135	.369	.449	.818
22	Spiders	.305	1895	132	.646	84	46	4,692	921	1,433	194	69	29	772	476	49	365	188		5,304	1,852	292	87	.375	.395	.770
23	Pirates	.305	1927	156	.610	94	60	5,397	817	1,648	258	78	54	759	437	29	355	65		6,077	2,224	390	214	.361	.412	.773
24	Giants	.305	1922	156	.604	93	61	5,454	852	1,661	253	90	80	756	448	48	421	116	83	6,109	2,334	423	159	.363	.428	.790
25	Robins	.304	1930	154	.558	86	68	5,433	871	1,654	303	73	122	836	481	27	541	53		6,088	2,469	498	147	.364	.454	.818