Trenton Weather in 2021

Historical record of Trenton, New Jersey weather for the year 2021 based on NOAA data.

Jump to Month:

Year:

2021 Trenton Weather Extremes
Highest temperature	96 °F	June 30
Lowest temperature	14 °F	February 9
Highest daily low	74 °F	August 19
Lowest daily high	25 °F	January 31
Most daily precipitation	5.6 inches	September 1
Most daily snow	5.6 inches	February 18
Total annual precipitation	43.0 inches	-
Total annual snow	27.3 inches	-

What was the hottest temperature in Trenton in 2021?

The highest temperature recorded in Trenton, New Jersey in 2021 was 96 °F which happened on June 30.

Highest Temperatures: All-Time By Year

Highest Temperatures in Trenton in 2021

Rank	Temperature	Date
1	96 °F	Jun 30
2	95 °F	Aug 12
3	94 °F	Aug 13
4	93 °F	Jul 17
4	93 °F	Jul 7
4	93 °F	Jul 6
4	93 °F	Jun 29
8	92 °F	Aug 26
8	92 °F	Aug 11
8	92 °F	Jun 28
8	92 °F	Jun 6

What was the coldest temperature in Trenton in 2021?

The lowest temperature recorded in Trenton, New Jersey in 2021 was 14 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Trenton in 2021

Rank	Temperature	Date
1	14 °F	February 9
1	14 °F	February 8
3	16 °F	January 30
4	17 °F	February 10
5	18 °F	February 12
5	18 °F	January 31
5	18 °F	January 29
8	19 °F	February 21
8	19 °F	January 21
10	20 °F	January 28

January 2021 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	40	24	0.67	0.0
January 2	52	33	0.05	0.0
January 3	37	31	0.11	0.0
January 4	43	33	0.04	0.0
January 5	39	36	0.00	0.0
January 6	42	33	0.00	0.0
January 7	43	28	0.00	0.0
January 8	43	23	0.00	0.0
January 9	39	21	0.00	0.0
January 10	45	24	0.00	0.0
January 11	37	21	0.00	0.0
January 12	42	21	0.00	0.0
January 13	43	29	0.00	0.0
January 14	50	27	0.00	0.0
January 15	47	29	0.13	0.0
January 16	46	35	0.18	0.0
January 17	45	32	0.00	0.0
January 18	45	34	0.00	0.0
January 19	42	28	0.00	0.0
January 20	40	25	0.00	0.0
January 21	43	19	0.00	0.0
January 22	45	31	0.00	0.0
January 23	35	24	0.00	0.0
January 24	34	21	0.00	0.0
January 25	35	21	0.00	0.0
January 26	34	31	0.15	0.0
January 27	38	30	0.00	0.0
January 28	33	20	0.00	0.0
January 29	27	18	0.00	0.0
January 30	35	16	0.00	0.0
January 31	25	18	0.30	3.6

February 2021 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	31	22	1.12	3.4
February 2	34	29	0.20	3.0
February 3	36	27	0.01	0.3
February 4	41	28	0.00	0.0
February 5	48	30	0.06	0.0
February 6	43	26	0.00	0.0
February 7	34	25	0.45	4.9
February 8	29	14	0.00	0.0
February 9	33	14	0.00	0.0
February 10	33	17	0.07	0.8
February 11	31	25	0.21	2.6
February 12	27	18	0.00	0.0
February 13	27	24	0.00	0.0
February 14	35	24	0.00	0.0
February 15	35	31	0.00	0.0
February 16	48	29	0.76	0.0
February 17	31	22	0.00	0.0
February 18	27	21	0.92	5.6
February 19	32	26	0.13	1.0
February 20	33	24	0.00	0.0
February 21	35	19	0.00	0.0
February 22	35	26	0.58	2.1
February 23	47	31	0.00	0.0
February 24	53	32	0.00	0.0
February 25	50	36	0.00	0.0
February 26	45	31	0.00	0.0
February 27	49	33	0.28	0.0
February 28	42	35	0.37	0.0

March 2021 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	47	32	0.17
March 2	34	22	0.00
March 3	52	23	0.00
March 4	45	28	0.00
March 5	37	21	0.00
March 6	37	28	0.00
March 7	41	24	0.00
March 8	43	22	0.00
March 9	63	33	0.00
March 10	63	33	0.00
March 11	73	39	0.00
March 12	69	53	0.00
March 13	53	32	0.00
March 14	57	31	0.00
March 15	40	24	0.00
March 16	38	29	0.07
March 17	46	34	0.00
March 18	46	41	0.75
March 19	48	31	0.03
March 20	57	27	0.00
March 21	64	28	0.00
March 22	62	30	0.00
March 23	66	37	0.00
March 24	57	44	1.35
March 25	62	51	0.00
March 26	81	54	0.00
March 27	67	45	0.00
March 28	67	49	0.48
March 29	54	37	0.00
March 30	64	31	0.00
March 31	66	44	0.32

April 2021 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	57	34	0.05
April 2	42	27	0.00
April 3	53	27	0.00
April 4	66	41	0.00
April 5	68	45	0.00
April 6	69	42	0.00
April 7	69	43	0.05
April 8	69	41	0.00
April 9	57	45	0.00
April 10	72	50	0.00
April 11	60	46	0.73
April 12	48	44	0.32
April 13	64	44	0.02
April 14	67	43	0.00
April 15	59	46	0.05
April 16	51	38	0.03
April 17	55	42	0.00
April 18	62	44	0.00
April 19	63	41	0.00
April 20	73	42	0.00
April 21	70	36	0.05
April 22	48	33	0.00
April 23	62	37	0.00
April 24	67	42	0.00
April 25	65	47	0.57
April 26	60	40	0.00
April 27	74	40	0.00
April 28	85	49	0.00
April 29	78	62	0.53
April 30	69	45	0.01

May 2021 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	65	41	0.00
May 2	83	52	0.00
May 3	67	53	0.37
May 4	79	53	0.13
May 5	68	51	0.38
May 6	64	46	0.00
May 7	65	41	0.02
May 8	58	44	0.20
May 9	58	41	0.10
May 10	60	44	0.00
May 11	64	42	0.00
May 12	68	41	0.00
May 13	70	42	0.00
May 14	74	42	0.00
May 15	76	42	0.00
May 16	71	49	0.00
May 17	76	46	0.00
May 18	79	49	0.00
May 19	87	57	0.00
May 20	80	55	0.00
May 21	83	49	0.00
May 22	89	61	0.00
May 23	90	70	0.00
May 24	73	57	0.00
May 25	75	57	0.00
May 26	89	61	0.40
May 27	82	63	0.00
May 28	66	49	0.65
May 29	50	46	0.56
May 30	51	45	0.31
May 31	72	47	0.00

June 2021 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	76	49	0.00
June 2	77	56	0.00
June 3	78	58	0.85
June 4	79	64	0.09
June 5	90	60	0.00
June 6	92	67	0.00
June 7	91	70	0.00
June 8	89	69	0.27
June 9	90	69	0.25
June 10	81	62	0.00
June 11	65	58	0.76
June 12	73	61	0.00
June 13	76	59	0.00
June 14	82	63	0.05
June 15	79	63	0.10
June 16	77	56	0.00
June 17	76	51	0.00
June 18	83	52	0.00
June 19	87	64	0.20
June 20	88	62	0.00
June 21	87	70	0.05
June 22	75	56	0.20
June 23	75	51	0.00
June 24	77	52	0.00
June 25	81	51	0.00
June 26	85	67	0.00
June 27	90	70	0.00
June 28	92	72	0.00
June 29	93	73	0.00
June 30	96	74	0.00

July 2021 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	83	71	1.17
July 2	80	63	0.14
July 3	72	60	0.01
July 4	79	60	0.04
July 5	87	62	0.00
July 6	93	70	0.27
July 7	93	69	0.00
July 8	89	72	0.06
July 9	88	71	0.80
July 10	84	67	0.00
July 11	85	69	0.00
July 12	90	72	0.54
July 13	79	69	0.15
July 14	88	69	0.00
July 15	90	69	0.00
July 16	91	74	0.00
July 17	93	71	2.22
July 18	79	71	0.01
July 19	86	68	0.00
July 20	85	67	0.00
July 21	82	66	0.08
July 22	81	61	0.00
July 23	82	61	0.00
July 24	83	59	0.00
July 25	85	68	0.05
July 26	89	70	0.00
July 27	91	65	0.00
July 28	84	66	0.00
July 29	78	66	0.83
July 30	84	62	0.00
July 31	77	53	0.00

August 2021 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	73	59	0.02
August 2	80	58	0.00
August 3	79	59	0.00
August 4	76	61	0.00
August 5	83	61	0.00
August 6	89	62	0.00
August 7	87	65	0.00
August 8	80	65	0.32
August 9	87	68	0.00
August 10	89	70	0.46
August 11	92	69	0.09
August 12	95	71	0.00
August 13	94	73	0.00
August 14	88	69	0.00
August 15	83	68	0.00
August 16	80	69	0.00
August 17	84	71	0.00
August 18	89	73	0.01
August 19	87	74	0.97
August 20	83	73	0.02
August 21	82	69	0.29
August 22	77	69	1.68
August 23	87	71	1.17
August 24	90	71	0.00
August 25	91	69	0.00
August 26	92	69	0.00
August 27	91	73	0.02
August 28	75	67	0.01
August 29	79	67	0.00
August 30	88	72	0.00
August 31	84	71	0.00

September 2021 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	75	63	5.60
September 2	77	58	0.00
September 3	74	54	0.00
September 4	77	56	0.00
September 5	74	60	0.05
September 6	83	65	0.00
September 7	81	57	0.00
September 8	84	63	0.05
September 9	71	64	0.22
September 10	75	54	0.00
September 11	77	52	0.00
September 12	83	60	0.00
September 13	85	66	0.00
September 14	84	64	0.00
September 15	87	68	0.01
September 16	78	68	0.00
September 17	74	67	0.03
September 18	85	66	0.00
September 19	77	56	0.00
September 20	77	52	0.00
September 21	77	56	0.00
September 22	83	70	0.00
September 23	81	59	1.60
September 24	72	53	0.05
September 25	76	49	0.00
September 26	72	56	0.00
September 27	79	52	0.00
September 28	71	57	0.18
September 29	68	50	0.00
September 30	68	51	0.00

October 2021 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	68	45	0.00
October 2	75	46	0.00
October 3	79	53	0.00
October 4	77	63	0.01
October 5	66	59	0.12
October 6	69	62	0.00
October 7	76	60	0.00
October 8	78	56	0.00
October 9	67	59	0.00
October 10	65	61	0.19
October 11	71	59	0.00
October 12	67	58	0.00
October 13	71	60	0.00
October 14	78	59	0.00
October 15	80	57	0.00
October 16	80	54	0.53
October 17	61	49	0.00
October 18	61	43	0.00
October 19	68	43	0.00
October 20	76	52	0.00
October 21	75	49	0.00
October 22	68	47	0.00
October 23	60	47	0.02
October 24	59	40	0.00
October 25	75	54	0.43
October 26	65	48	1.72
October 27	63	51	0.02
October 28	62	45	0.00
October 29	59	50	0.31
October 30	66	57	0.09
October 31	64	51	0.18

November 2021 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	59	46	0.00
November 2	51	40	0.02
November 3	52	34	0.00
November 4	51	30	0.00
November 5	53	30	0.00
November 6	54	29	0.00
November 7	54	30	0.00
November 8	67	35	0.00
November 9	70	41	0.00
November 10	66	43	0.00
November 11	62	38	0.00
November 12	65	40	0.22
November 13	62	35	0.03
November 14	46	31	0.03
November 15	49	34	0.00
November 16	49	29	0.00
November 17	61	27	0.00
November 18	70	42	0.06
November 19	47	33	0.01
November 20	46	26	0.00
November 21	52	34	0.00
November 22	51	32	0.07
November 23	43	29	0.00
November 24	46	27	0.00
November 25	54	29	0.00
November 26	48	37	0.17
November 27	39	33	0.00
November 28	44	33	0.00
November 29	42	25	0.00
November 30	41	23	0.00

December 2021 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	50	36	0.04
December 2	58	41	0.04
December 3	50	36	0.00
December 4	45	32	0.00
December 5	49	27	0.00
December 6	64	39	0.20
December 7	42	31	0.00
December 8	40	30	0.00
December 9	40	28	0.00
December 10	48	32	0.00
December 11	66	41	0.32
December 12	48	34	0.00
December 13	52	32	0.00
December 14	53	36	0.00
December 15	55	33	0.00
December 16	61	47	0.00
December 17	57	41	0.00
December 18	45	39	0.05
December 19	44	27	0.02
December 20	37	21	0.00
December 21	40	22	0.00
December 22	46	31	0.12
December 23	37	26	0.00
December 24	47	30	0.00
December 25	53	36	0.15
December 26	52	37	0.00
December 27	38	29	0.08
December 28	46	35	0.01
December 29	47	40	0.03
December 30	51	42	0.17
December 31	51	47	0.01

Next Year >

Weather Station Details

Years	Station	Coordinates
1999–2024	Trenton Mercer County Airport	location
1977–1998	Trenton State College	location
1913–1976	Trenton	location
1865–1913	Trenton 2	location