Trenton Weather in 2009

Historical record of Trenton, New Jersey weather for the year 2009 based on NOAA data.

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2009 Trenton Weather Extremes
Highest temperature	93 °F	August 21
Lowest temperature	4 °F	January 17
Highest daily low	73 °F	August 11
Lowest daily high	18 °F	January 16
Most daily precipitation	3.3 inches	August 22
Most daily snow	8.8 inches	December 19
Total annual precipitation	54.4 inches	-
Total annual snow	28.8 inches	-

What was the hottest temperature in Trenton in 2009?

The highest temperature recorded in Trenton, New Jersey in 2009 was 93 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Trenton in 2009

Rank	Temperature	Date
1	93 °F	Aug 21
1	93 °F	Aug 10
3	92 °F	Aug 17
4	91 °F	Aug 18
4	91 °F	Aug 16
4	91 °F	Apr 26
7	90 °F	Aug 20
7	90 °F	Apr 27
9	89 °F	Aug 19
9	89 °F	Aug 15
9	89 °F	Jul 26
9	89 °F	Jul 16
9	89 °F	Apr 25

What was the coldest temperature in Trenton in 2009?

The lowest temperature recorded in Trenton, New Jersey in 2009 was 4 °F which happened on Jan 17.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Trenton in 2009

Rank	Temperature	Date
1	4 °F	January 17
2	8 °F	January 16
3	11 °F	March 3
4	12 °F	February 5
5	13 °F	February 6
5	13 °F	January 25
5	13 °F	January 15
8	14 °F	March 4
8	14 °F	February 7
8	14 °F	January 22

January 2009 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	28	16	0.00	0.0
January 2	35	21	0.00	0.1
January 3	38	27	0.00	0.0
January 4	42	24	0.00	0.0
January 5	47	37	0.00	0.0
January 6	37	31	0.08	0.0
January 7	39	32	1.46	0.0
January 8	40	29	0.00	0.0
January 9	34	26	0.00	0.0
January 10	30	25	0.04	0.7
January 11	32	22	0.05	0.0
January 12	34	20	0.00	0.0
January 13	39	18	0.00	0.0
January 14	34	18	0.00	0.0
January 15	23	13	0.02	0.9
January 16	18	8	0.00	0.0
January 17	21	4	0.00	0.0
January 18	36	21	0.07	0.8
January 19	31	20	0.07	1.1
January 20	30	15	0.00	0.0
January 21	24	16	0.00	0.0
January 22	40	14	0.00	0.0
January 23	54	21	0.00	0.0
January 24	45	19	0.00	0.0
January 25	29	13	0.00	0.0
January 26	29	15	0.00	0.0
January 27	30	24	0.01	0.2
January 28	41	24	0.75	2.6
January 29	33	22	0.00	0.0
January 30	36	18	0.00	0.0
January 31	27	19	0.00	0.0

February 2009 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	52	25	0.00	0.0
February 2	55	28	0.00	0.0
February 3	35	28	0.26	4.0
February 4	32	18	0.00	0.0
February 5	22	12	0.00	0.0
February 6	32	13	0.00	0.0
February 7	50	14	0.00	0.0
February 8	60	37	0.00	0.0
February 9	47	25	0.00	0.0
February 10	53	32	0.00	0.0
February 11	68	42	0.03	0.0
February 12	60	42	0.00	0.0
February 13	46	30	0.00	0.0
February 14	41	27	0.00	0.0
February 15	43	27	0.00	0.0
February 16	41	27	0.00	0.0
February 17	42	22	0.00	0.0
February 18	44	22	0.20	0.0
February 19	48	26	0.03	0.0
February 20	34	23	0.00	0.0
February 21	42	25	0.00	0.0
February 22	41	30	0.05	0.0
February 23	36	24	0.00	0.0
February 24	38	20	0.00	0.0
February 25	44	20	0.00	0.0
February 26	50	28	0.01	0.0
February 27	65	34	0.05	0.0
February 28	54	31	0.00	0.0

March 2009 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	37	28	0.16	1.9
March 2	29	16	0.30	3.6
March 3	27	11	0.00	0.0
March 4	34	14	0.00	0.0
March 5	46	16	0.00	0.0
March 6	59	31	0.00	0.0
March 7	72	44	0.00	0.0
March 8	66	53	0.00	0.0
March 9	57	42	0.00	0.0
March 10	49	39	0.00	0.0
March 11	59	41	0.01	0.0
March 12	48	33	0.00	0.0
March 13	44	28	0.00	0.0
March 14	50	28	0.00	0.0
March 15	49	40	0.00	0.0
March 16	56	36	0.00	0.0
March 17	58	37	0.00	0.0
March 18	64	34	0.00	0.0
March 19	53	40	0.11	0.0
March 20	45	29	0.05	0.8
March 21	49	26	0.00	0.0
March 22	57	29	0.00	0.0
March 23	45	27	0.00	0.0
March 24	49	25	0.00	0.0
March 25	56	24	0.00	0.0
March 26	46	40	0.34	0.0
March 27	62	40	0.00	0.0
March 28	56	46	0.21	0.0
March 29	65	46	0.48	0.0
March 30	52	39	0.00	0.0
March 31	59	32	0.00	0.0

April 2009 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	52	37	0.11
April 2	68	46	0.00
April 3	71	52	0.55
April 4	57	48	0.00
April 5	65	43	0.00
April 6	57	47	0.53
April 7	48	36	0.00
April 8	52	33	0.00
April 9	62	32	0.00
April 10	64	40	0.06
April 11	53	41	0.54
April 12	50	34	0.00
April 13	56	32	0.00
April 14	47	43	0.33
April 15	48	37	0.17
April 16	65	35	0.00
April 17	70	34	0.00
April 18	78	49	0.00
April 19	66	47	0.00
April 20	51	44	0.49
April 21	67	50	0.23
April 22	55	46	0.01
April 23	60	43	0.00
April 24	72	36	0.00
April 25	89	48	0.00
April 26	91	64	0.00
April 27	90	64	0.00
April 28	87	62	0.00
April 29	69	46	0.05
April 30	66	41	0.00

May 2009 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	72	55	0.07
May 2	66	55	0.18
May 3	59	53	0.77
May 4	55	51	0.88
May 5	56	51	0.37
May 6	65	50	0.69
May 7	75	53	0.48
May 8	77	51	0.00
May 9	82	62	0.00
May 10	70	55	0.00
May 11	66	48	0.00
May 12	70	46	0.00
May 13	71	44	0.00
May 14	74	55	0.23
May 15	78	59	0.00
May 16	81	60	0.00
May 17	70	51	0.01
May 18	60	41	0.00
May 19	70	37	0.00
May 20	81	45	0.00
May 21	83	50	0.00
May 22	83	54	0.00
May 23	82	59	0.00
May 24	84	57	0.39
May 25	82	62	0.00
May 26	65	50	0.03
May 27	75	51	0.00
May 28	69	56	0.00
May 29	73	55	0.93
May 30	78	57	0.00
May 31	81	52	0.00

June 2009 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	74	44	0.00
June 2	81	58	0.04
June 3	74	58	1.05
June 4	64	55	0.41
June 5	60	57	0.83
June 6	78	57	0.00
June 7	83	58	0.00
June 8	82	64	0.00
June 9	74	63	0.55
June 10	75	62	0.00
June 11	64	61	0.20
June 12	85	62	0.05
June 13	79	61	1.65
June 14	78	60	0.00
June 15	77	57	0.44
June 16	70	55	0.07
June 17	70	53	0.06
June 18	68	60	0.32
June 19	77	64	0.00
June 20	72	60	0.45
June 21	77	64	0.16
June 22	78	65	0.09
June 23	83	63	0.03
June 24	81	65	0.08
June 25	85	66	0.00
June 26	88	66	0.25
June 27	82	62	0.06
June 28	84	63	0.00
June 29	84	62	0.00
June 30	88	62	0.14

July 2009 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	84	65	0.30
July 2	83	69	0.20
July 3	81	64	0.00
July 4	81	63	0.00
July 5	79	57	0.00
July 6	84	58	0.00
July 7	85	63	0.00
July 8	79	59	0.00
July 9	77	59	0.00
July 10	81	56	0.00
July 11	82	61	0.67
July 12	83	63	0.02
July 13	82	57	0.00
July 14	81	59	0.00
July 15	85	56	0.00
July 16	89	68	0.00
July 17	87	66	0.14
July 18	82	66	0.00
July 19	82	60	0.00
July 20	84	61	0.00
July 21	70	65	0.94
July 22	84	64	0.00
July 23	77	65	1.06
July 24	82	64	0.00
July 25	87	60	0.00
July 26	89	70	0.88
July 27	86	69	0.00
July 28	88	69	0.02
July 29	87	73	0.54
July 30	87	72	0.00
July 31	88	68	1.16

August 2009 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	85	64	0.00
August 2	77	69	2.01
August 3	85	67	0.00
August 4	87	64	0.00
August 5	87	72	0.00
August 6	79	64	0.03
August 7	81	60	0.00
August 8	80	61	0.01
August 9	81	68	0.25
August 10	93	69	0.00
August 11	88	73	0.04
August 12	83	71	0.51
August 13	75	69	0.77
August 14	86	65	0.00
August 15	89	66	0.00
August 16	91	68	0.00
August 17	92	69	0.00
August 18	91	68	0.17
August 19	89	71	0.00
August 20	90	72	0.00
August 21	93	72	0.61
August 22	83	70	3.29
August 23	86	72	0.00
August 24	84	68	0.00
August 25	85	65	0.00
August 26	87	67	0.00
August 27	75	68	0.00
August 28	72	66	1.45
August 29	83	68	0.92
August 30	82	63	0.00
August 31	74	57	0.00

September 2009 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	75	53	0.00
September 2	78	53	0.00
September 3	79	56	0.00
September 4	83	62	0.00
September 5	84	64	0.00
September 6	76	60	0.00
September 7	75	60	0.00
September 8	74	60	0.00
September 9	74	62	0.00
September 10	69	58	0.19
September 11	66	56	1.14
September 12	70	63	0.12
September 13	81	63	0.01
September 14	79	60	0.00
September 15	79	61	0.00
September 16	68	60	0.13
September 17	65	53	0.00
September 18	75	53	0.00
September 19	70	50	0.00
September 20	73	44	0.00
September 21	76	49	0.00
September 22	76	59	0.00
September 23	82	66	1.12
September 24	81	66	0.21
September 25	72	53	0.00
September 26	66	51	0.27
September 27	72	58	1.04
September 28	75	54	0.32
September 29	67	49	0.00
September 30	61	47	0.00

October 2009 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	58	42	0.00
October 2	67	42	0.05
October 3	74	59	0.02
October 4	74	53	0.00
October 5	67	49	0.00
October 6	67	43	0.00
October 7	71	55	0.08
October 8	67	49	0.00
October 9	78	56	0.00
October 10	67	47	0.03
October 11	64	41	0.00
October 12	53	40	0.00
October 13	66	46	0.00
October 14	53	37	0.00
October 15	47	39	0.60
October 16	45	38	0.01
October 17	49	40	0.53
October 18	49	37	0.09
October 19	58	36	0.00
October 20	68	36	0.00
October 21	73	43	0.00
October 22	75	48	0.00
October 23	61	51	0.30
October 24	71	57	1.73
October 25	63	45	0.00
October 26	62	40	0.00
October 27	59	45	0.76
October 28	61	52	0.98
October 29	59	47	0.00
October 30	59	49	0.00
October 31	72	54	0.12

November 2009 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	57	43	0.04
November 2	56	41	0.01
November 3	62	36	0.00
November 4	52	35	0.00
November 5	55	38	0.00
November 6	49	32	0.00
November 7	55	27	0.00
November 8	70	38	0.00
November 9	68	40	0.00
November 10	67	48	0.00
November 11	57	48	0.05
November 12	51	45	0.12
November 13	55	47	0.10
November 14	61	53	0.04
November 15	70	55	0.00
November 16	61	45	0.00
November 17	58	40	0.00
November 18	55	41	0.00
November 19	61	50	0.13
November 20	62	45	0.39
November 21	57	41	0.00
November 22	57	36	0.00
November 23	51	44	0.04
November 24	58	46	0.03
November 25	53	48	0.14
November 26	58	48	0.00
November 27	49	42	0.00
November 28	54	39	0.00
November 29	61	31	0.00
November 30	54	38	0.25

December 2009 Trenton Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	48	31	0.00	0.0
December 2	58	30	0.68	0.0
December 3	67	45	0.34	0.0
December 4	51	40	0.00	0.0
December 5	43	34	0.56	1.0
December 6	37	29	0.00	0.0
December 7	41	27	0.00	0.0
December 8	45	34	0.00	0.0
December 9	58	39	1.98	0.0
December 10	45	28	0.00	0.0
December 11	32	22	0.00	0.0
December 12	40	24	0.00	0.0
December 13	52	27	0.86	0.0
December 14	48	38	0.00	0.0
December 15	52	41	0.00	0.0
December 16	41	28	0.00	0.0
December 17	34	23	0.00	0.0
December 18	33	19	0.00	0.0
December 19	29	22	0.88	8.8
December 20	35	24	0.12	1.2
December 21	37	25	0.00	0.0
December 22	38	26	0.00	0.0
December 23	31	19	0.00	0.0
December 24	39	18	0.00	0.0
December 25	40	31	0.26	0.0
December 26	56	39	1.40	0.0
December 27	56	32	0.05	0.0
December 28	39	30	0.00	0.0
December 29	32	18	0.00	0.0
December 30	34	18	0.00	0.0
December 31	34	28	0.17	1.1

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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