I don't have anything for this season, but the Phoenix Suns had their highest three-point percentage in a game in 2024-25 versus the Grizzlies on February 25, at 56.8 percent.

Interpreted as:

suns most 3p% in a regular-season game this season

	TEAM	3P%	DATE	TM		OPP	RESULT	MIN	PTS	REB	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF
1	Suns	56.8	2/25/2025	PHX	@	MEM	L 148-151	265	148	46	39	6	6	53	99	53.5	21	37	21	26	80.8	67.0	8	38	16	25
2	Suns	55.8	3/14/2025	PHX	vs	SAC	W 122-106	240	122	34	33	12	3	41	79	51.9	24	43	16	19	84.2	69.8	7	27	11	15
3	Suns	52.6	3/10/2025	PHX	@	MEM	L 118-120	240	118	46	31	6	2	41	90	45.6	20	38	16	22	72.7	59.2	15	31	16	22
4	Suns	52.5	2/28/2025	PHX	vs	NOP	W 125-108	240	125	35	35	6	3	47	79	59.5	21	40	10	13	76.9	73.8	5	30	15	18
5	Suns	51.4	11/30/2024	PHX	vs	GSW	W 113-105	240	113	45	31	4	9	38	79	48.1	18	35	19	22	86.4	63.7	6	39	12	13
6	Suns	51.3	3/17/2025	PHX	vs	TOR	W 129-89	240	129	54	34	7	4	47	92	51.1	20	39	15	15	100.0	65.4	12	42	10	21
7	Suns	48.9	12/13/2024	PHX	@	UTA	W 134-126	240	134	37	36	10	7	47	89	52.8	22	45	18	20	90.0	68.5	9	28	7	18
8	Suns	48.7	1/31/2025	PHX	@	GSW	W 130-105	240	130	48	41	7	7	50	89	56.2	19	39	11	16	68.8	67.7	4	44	14	20
9	Suns	48.6	3/28/2025	PHX	@	MIN	L 109-124	240	109	34	28	6	4	41	79	51.9	18	37	9	13	69.2	64.3	8	26	16	16
10	Suns	48.5	1/16/2025	PHX	@	WAS	W 130-123	240	130	47	33	10	4	44	85	51.8	16	33	26	31	83.9	65.9	10	37	16	23
11	Suns	48.3	12/21/2024	PHX	vs	DET	L 125-133	240	125	35	30	9	1	45	78	57.7	14	29	21	23	91.3	70.9	6	29	19	21
12	Suns	46.8	1/27/2025	PHX	vs	LAC	W 111-109	240	111	39	23	10	5	40	85	47.1	22	47	9	11	81.8	61.8	11	28	17	17
13	Suns	46.4	12/8/2024	PHX	@	ORL	L 110-115	240	110	39	24	7	6	39	83	47.0	13	28	19	22	86.4	59.3	9	30	19	24
14	Suns	46.2	11/12/2024	PHX	@	UTA	W 120-112	240	120	42	21	6	11	43	86	50.0	18	39	16	22	72.7	62.7	10	32	8	11
15	Suns	46.2	10/31/2024	PHX	@	LAC	W 125-119	240	125	39	29	12	4	42	82	51.2	18	39	23	28	82.1	66.3	8	31	12	20
16	Suns	45.9	10/25/2024	PHX	@	LAL	L 116-123	240	116	34	35	8	4	42	82	51.2	17	37	15	17	88.2	64.8	5	29	16	26
17	Suns	45.2	3/21/2025	PHX	vs	CLE	W 123-112	240	123	46	33	6	3	48	92	52.2	19	42	8	8	100.0	64.4	12	34	13	16
18	Suns	45.2	1/6/2025	PHX	@	PHI	W 109-99	240	109	44	32	7	4	41	81	50.6	14	31	13	19	68.4	61.0	4	40	12	18
19	Suns	45.2	11/17/2024	PHX	@	MIN	L 117-120	240	117	41	29	9	2	46	85	54.1	14	31	11	15	73.3	63.9	12	29	19	26
20	Suns	42.1	3/7/2025	PHX	@	DEN	L 141-149	265	141	39	36	6	2	51	91	56.0	16	38	23	29	79.3	67.9	7	32	11	18
21	Suns	41.9	11/6/2024	PHX	vs	MIA	W 115-112	240	115	46	29	5	6	42	84	50.0	18	43	13	18	72.2	62.6	10	36	16	14
22	Suns	41.5	1/12/2025	PHX	vs	CHA	W 120-113	240	120	39	31	9	6	42	87	48.3	17	41	19	22	86.4	62.1	8	31	12	17
23	Suns	41.2	3/4/2025	PHX	vs	LAC	W 119-117	240	119	37	31	5	3	41	80	51.3	14	34	23	27	85.2	64.8	7	30	11	20
24	Suns	40.5	11/26/2024	PHX	vs	LAL	W 127-100	240	127	46	31	9	3	51	99	51.5	17	42	8	10	80.0	61.4	8	38	9	18
25	Suns	40.4	4/11/2025	PHX	vs	SAS	W 117-98	240	117	52	27	9	10	44	95	46.3	19	47	10	11	90.9	58.6	13	39	11	9