Trenton weather by month

Check out Trenton weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Trenton (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	39	41	52	63	73	82	86	84	79	68	55	45
Min temperature (night-time)	21	23	32	41	50	59	64	63	55	45	36	27
Heat & Humidity	0	0	0	0	0	L	M	M	0	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Trenton

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	5	6	7	8	8	9	9	8	7	6	5	5
Daily hours of daylight	10	11	12	13	14	15	15	14	12	11	10	9
UV Index (Maximum)	2	3	4	6	8	9	9	8	6	4	2	2

Rainfall in Trenton

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	10	10	11	11	11	10	9	9	8	8	10	11
Average monthly rainfall (inches)	3.2	3.0	3.8	3.5	3.7	3.5	4.8	4.3	4.0	3.0	3.5	3.7

More about Trenton

Trenton by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for New Jersey (Trenton) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Trenton?

Trenton has a cold climate with hot summers and some rainfall in all months.

Trenton weather in January

Expect daytime maximum temperatures of 39°F in Trenton, New Jersey in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 3.2 inches of rainfall in the month, which might fall as snow.

39
39°F max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
21
21°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
3.2
3.2 inches of monthly rainfall
2
2 (Low) UV index

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Trenton weather in February

Expect daytime maximum temperatures of 41°F in Trenton, New Jersey in February based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 3.0 inches of rainfall in the month, which might fall as snow.

41
41°F max day temperature
6
6 hours of sunshine per day
10
10 days with some rainfall
23
23°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.0
3.0 inches of monthly rainfall
3
3 (Moderate) UV index

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Trenton weather in March

Expect daytime maximum temperatures of 52°F in Trenton, New Jersey in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 3.8 inches of rainfall in the month.

52
52°F max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
32
32°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
3.8
3.8 inches of monthly rainfall
4
4 (Moderate) UV index

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Trenton weather in April

Expect daytime maximum temperatures of 63°F in Trenton, New Jersey in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 3.5 inches of rainfall in the month.

63
63°F max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
41
41°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
3.5
3.5 inches of monthly rainfall
6
6 (High) UV index

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Trenton weather in May

Expect daytime maximum temperatures of 73°F in Trenton, New Jersey in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 3.7 inches of rainfall in the month.

73
73°F max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
50
50°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
3.7
3.7 inches of monthly rainfall
8
8 (Very High) UV index

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Trenton weather in June

Expect daytime maximum temperatures of 82°F in Trenton, New Jersey in June based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 3.5 inches of rainfall in the month.

82
82°F max day temperature
9
9 hours of sunshine per day
10
10 days with some rainfall
59
59°F min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
3.5
3.5 inches of monthly rainfall
9
9 (Very High) UV index

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Trenton weather in July

Expect daytime maximum temperatures of 86°F in Trenton, New Jersey in July based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 4.8 inches of rainfall in the month.

86
86°F max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
64
64°F min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
4.8
4.8 inches of monthly rainfall
9
9 (Very High) UV index

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Trenton weather in August

Expect daytime maximum temperatures of 84°F in Trenton, New Jersey in August based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 4.3 inches of rainfall in the month.

84
84°F max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
63
63°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
4.3
4.3 inches of monthly rainfall
8
8 (Very High) UV index

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Trenton weather in September

Expect daytime maximum temperatures of 79°F in Trenton, New Jersey in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 4.0 inches of rainfall in the month.

79
79°F max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
55
55°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
4.0
4.0 inches of monthly rainfall
6
6 (High) UV index

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Trenton weather in October

Expect daytime maximum temperatures of 68°F in Trenton, New Jersey in October based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 3.0 inches of rainfall in the month.

68
68°F max day temperature
6
6 hours of sunshine per day
8
8 days with some rainfall
45
45°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.0
3.0 inches of monthly rainfall
4
4 (Moderate) UV index

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Trenton weather in November

Expect daytime maximum temperatures of 55°F in Trenton, New Jersey in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 3.5 inches of rainfall in the month.

55
55°F max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
36
36°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
3.5
3.5 inches of monthly rainfall
2
2 (Low) UV index

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Trenton weather in December

Expect daytime maximum temperatures of 45°F in Trenton, New Jersey in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 3.7 inches of rainfall in the month.