The Memphis Grizzlies had the best defensive rating by a team in December 2022, with a 105.9 rating.

nba team defensive rating leaders in december 2022

TEAM	DRTG	MONTH	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF
Memphis Grizzlies	105.9	December 2022	14	240.0	116.0	48.9	26.5	8.8	7.2	13.4	43.6	91.6	47.5	10.1	32.3	31.2	18.8	25.1	74.9	3,360	1,624	684	371	123	101	187	283
Boston Celtics	109.3	December 2022	14	243.6	114.1	47.4	24.8	8.0	5.3	13.3	40.8	90.5	45.1	14.1	43.2	32.7	18.4	23.3	78.8	3,410	1,597	664	347	112	74	186	244
New York Knicks	110.3	December 2022	15	243.3	113.3	48.1	22.3	6.5	3.6	13.0	40.0	87.7	45.6	13.2	36.3	36.4	20.1	26.5	76.1	3,650	1,700	721	334	98	54	195	292
Philadelphia 76ers	111.2	December 2022	13	247.7	118.0	41.5	26.5	8.2	5.2	14.1	41.6	85.8	48.5	13.8	35.0	39.6	20.9	25.2	83.2	3,220	1,534	540	344	106	67	183	296
Cleveland Cavaliers	111.9	December 2022	15	241.7	108.8	41.1	23.0	7.2	4.1	12.8	40.5	83.9	48.3	10.7	31.5	34.0	17.1	22.5	76.3	3,625	1,632	616	345	108	61	192	265
Miami Heat	112.5	December 2022	15	241.7	109.0	40.0	23.7	9.5	2.6	12.1	40.1	87.5	45.8	13.3	38.3	34.6	15.6	20.1	77.5	3,625	1,635	600	356	143	39	181	293
New Orleans Pelicans	112.7	December 2022	15	245.0	118.3	45.2	25.4	8.9	4.3	14.9	41.8	88.6	47.2	11.1	31.6	35.2	23.6	30.1	78.3	3,675	1,775	678	381	134	64	223	325
L.A. Clippers	113.2	December 2022	15	243.3	113.7	46.0	23.4	6.3	4.7	14.4	40.3	88.3	45.7	15.0	37.9	39.5	18.0	22.7	79.4	3,650	1,705	690	351	94	71	216	294
Brooklyn Nets	113.5	December 2022	13	240.0	119.7	41.5	26.6	6.6	6.0	14.2	45.8	84.8	54.0	12.5	29.5	42.2	15.7	19.9	78.8	3,120	1,556	539	346	86	78	184	276
Oklahoma City Thunder	113.7	December 2022	14	241.8	113.9	44.4	23.4	8.0	4.1	14.9	40.8	89.8	45.4	11.7	32.1	36.4	20.6	25.6	80.5	3,385	1,595	622	328	112	57	209	292
Orlando Magic	114.2	December 2022	15	241.7	111.9	43.8	23.3	7.4	4.1	13.4	40.5	87.1	46.4	10.4	29.7	35.0	20.5	25.3	81.1	3,625	1,678	657	350	111	62	201	305
Milwaukee Bucks	114.7	December 2022	15	241.7	113.8	49.2	24.3	5.9	4.3	15.5	41.3	89.1	46.3	12.9	37.7	34.1	18.4	24.1	76.2	3,625	1,707	738	365	89	65	232	271
Golden State Warriors	115.1	December 2022	15	240.0	114.7	44.1	28.4	5.7	3.7	15.6	41.1	88.9	46.2	15.8	41.9	37.7	16.8	21.3	78.8	3,600	1,721	661	426	86	56	234	308
Sacramento Kings	115.9	December 2022	14	240.0	115.9	42.0	25.4	6.8	3.0	13.5	42.1	86.9	48.5	12.6	36.6	34.4	19.1	25.6	74.6	3,360	1,623	588	356	95	42	189	284
Washington Wizards	115.9	December 2022	15	240.0	114.3	42.7	24.9	7.4	5.2	13.8	42.2	85.2	49.5	11.2	31.6	35.4	18.7	24.5	76.3	3,600	1,714	640	373	111	78	207	289
Minnesota Timberwolves	115.9	December 2022	15	240.0	114.5	40.7	23.6	8.6	4.9	14.9	42.9	85.8	50.0	10.9	29.9	36.6	17.7	23.5	75.3	3,600	1,717	611	354	129	73	224	322
Portland Trail Blazers	116.1	December 2022	13	240.0	116.6	44.0	25.3	6.2	4.0	14.7	42.5	86.2	49.4	14.3	37.2	38.5	17.2	22.0	78.3	3,120	1,516	572	329	80	52	191	275
Chicago Bulls	116.4	December 2022	15	245.0	116.1	40.9	24.5	7.9	4.1	13.1	44.2	87.5	50.5	11.1	28.3	39.2	16.7	21.0	79.4	3,675	1,742	613	368	119	61	196	291
Houston Rockets	116.6	December 2022	15	243.3	108.9	48.4	21.5	7.5	4.2	15.3	39.5	88.7	44.6	10.1	33.7	30.0	19.7	25.7	76.4	3,650	1,633	726	322	113	63	229	295
Dallas Mavericks	117.0	December 2022	17	244.4	116.4	39.6	23.2	6.1	4.9	11.4	40.4	84.6	47.7	16.6	44.1	37.8	19.1	25.6	74.5	4,155	1,979	674	394	103	83	193	367
Atlanta Hawks	117.0	December 2022	14	241.8	115.5	43.1	24.2	6.4	4.8	12.0	43.3	92.6	46.7	11.4	33.1	34.5	17.5	21.9	80.1	3,385	1,617	604	339	89	67	168	260
Denver Nuggets	117.2	December 2022	14	241.8	117.9	41.6	29.8	7.4	4.2	15.3	44.5	85.0	52.4	10.9	28.8	37.7	18.0	24.7	72.8	3,385	1,650	582	417	103	59	214	268
Indiana Pacers	117.6	December 2022	16	240.0	115.1	39.1	25.5	7.7	5.1	13.8	41.7	86.8	48.0	15.0	38.1	39.3	16.7	21.1	79.0	3,840	1,841	626	408	123	81	220	350
Utah Jazz	117.7	December 2022	15	241.7	117.6	42.9	23.8	6.6	4.1	14.5	41.3	88.9	46.5	14.6	40.5	36.1	20.3	25.7	79.0	3,625	1,764	644	357	99	61	217	315
Toronto Raptors	118.2	December 2022	15	241.7	112.2	40.7	21.7	8.5	4.1	11.0	40.5	88.1	46.0	9.9	30.5	32.4	21.3	26.3	81.0	3,625	1,683	611	326	128	61	165	300