Edison, NJ: Climate and Weather (2024)

Seasonal Weather Patterns in Edison, NJ

Temperature

Average Daily Temperature (°F)

	Edison, NJ	U.S. Avg.	Difference
January	30	43	-13
July	78	79	-1

Average Monthly Number of Hot and Freezing Days

	Edison, NJ	U.S. Avg.	Difference
Summer: Hot Days	5	11	-6
Winter: Freezing Days	22	12	+10

Read more in Temperature

Sunshine

Average Annual Number of Clear and Cloudy Days

	Edison, NJ	U.S. Avg.	Difference
Clear Days	174	217	-43
Cloudy Days	191	148	+43

Average Daylight Hours per Day

	Edison, NJ	U.S. Avg.	Difference
January	10	10	No difference
July	15	15	No difference

Read more in Sunshine

Precipitation

Average Annual Number of Rainy and Snow Days

	Edison, NJ	U.S. Avg.	Difference
Rainy Days	114	113	+1
Snow Days	8	7	+1

Average Monthly Humidity (%) in Edison, NJ

	Edison, NJ	U.S. Avg.	Difference
January	65	68	-3%
July	70	61	+9%

Read more in Precipitation

Is Edison, NJ, Hot or Cold?

Low, Average, and High Temperatures (°F)

	Low	Average	High
January	22	30	40
February	24	33	43
March	31	41	50
April	41	50	60
May	51	60	71
June	60	71	82
July	63	78	86
August	64	77	86
September	55	67	82
October	45	55	66
November	35	46	57
December	27	35	44

Average Monthly Number of Hot Days

	Edison, NJ	U.S. Avg.	Difference
January	0	0	No difference
February	0	0	No difference
March	0	0	No difference
April	0	1	-1
May	1	3	-2
June	4	8	-4
July	8	13	-5
August	4	12	-8
September	1	6	-5
October	0	2	-2
November	0	0	No difference
December	0	0	No difference

Average Monthly Number of Freezing Days

	Edison, NJ	U.S. Avg.	Difference
January	24	13	+11
February	21	10	+11
March	16	7	+9
April	4	2	+2
May	0	0	No difference
June	0	0	No difference
July	0	0	No difference
August	0	0	No difference
September	0	0	No difference
October	2	2	No difference
November	9	6	+3
December	21	12	+9

Edison, NJ: Clear/Cloudy Skies, and Daylight Hours

Average Number of Clear Days

	Edison, NJ	U.S. Avg.	Difference
January	14	17	-3
February	13	16	-3
March	14	17	-3
April	14	17	-3
May	13	18	-5
June	15	19	-4
July	15	20	-5
August	15	20	-5
September	15	19	-4
October	16	19	-3
November	16	18	-2
December	14	17	-3

Average Number of Cloudy Days

	Edison, NJ	U.S. Avg.	Difference
January	17	14	+3
February	15	12	+3
March	17	14	+3
April	16	13	+3
May	18	13	+5
June	15	11	+4
July	16	11	+5
August	16	11	+5
September	15	11	+4
October	15	12	+3
November	14	12	+2
December	17	14	+3

Average Daylight Hours per Day

	Edison, NJ	U.S. Avg.	Difference
January	10	10	No difference
February	11	11	No difference
March	12	12	No difference
April	13	13	No difference
May	15	14	+1
June	15	15	No difference
July	15	15	No difference
August	14	14	No difference
September	13	13	No difference
October	11	12	-1
November	10	10	No difference
December	9	10	-1

Edison, NJ: Rainy Days, Snow Days, and Humidity

Average Number of Rainy Days

	Edison, NJ	U.S. Avg.	Difference
January	10	9	+1
February	8	8	No difference
March	10	9	+1
April	10	7	+3
May	10	7	+3
June	10	7	+3
July	10	7	+3
August	8	6	+2
September	10	7	+3
October	10	7	+3
November	8	8	No difference
December	10	8	+2

Average Number of Snow Days

	Edison, NJ	U.S. Avg.	Difference
January	2	2	No difference
February	2	2	No difference
March	2	1	+1
April	0	0	No difference
May	0	0	No difference
June	0	0	No difference
July	0	0	No difference
August	0	0	No difference
September	0	0	No difference
October	0	0	No difference
November	0	1	-1
December	2	2	No difference

Average Humidity (%)

	Edison, NJ	U.S. Avg.	Difference
January	65	68	-3%
February	63	66	-3%
March	60	63	-3%
April	58	59	-1%
May	66	61	+5%
June	68	60	+8%
July	70	61	+9%
August	71	62	+9%
September	70	63	+7%
October	68	63	+5%
November	67	65	+2%
December	65	68	-3%

The assessments presented on this website, including those related to crime, safety, cost of living, and other location characteristics (e.g., states, cities, towns, villages, neighborhoods, areas, landmarks), are based on various sources and our internal research methods. These assessments are not guaranteed to be accurate or complete and should not be used as the sole basis for making any decisions.