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 (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	4	5	11	17	23	28	30	29	26	20	13	7
Min temperature (night-time)	-6	-5	0	5	10	15	18	17	13	7	2	-3
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 (mm)	81	75	97	89	95	90	123	109	101	77	88	94

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 4°C 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 81 mm of rainfall in the month, which might fall as snow.

4
4°C max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
-6
-6°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
81
81 mm of monthly rainfall
2
2 (Low) UV index

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Trenton weather in February

Expect daytime maximum temperatures of 5°C 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 75 mm of rainfall in the month, which might fall as snow.

5
5°C max day temperature
6
6 hours of sunshine per day
10
10 days with some rainfall
-5
-5°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
75
75 mm of monthly rainfall
3
3 (Moderate) UV index

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Trenton weather in March

Expect daytime maximum temperatures of 11°C 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 97 mm of rainfall in the month.

11
11°C max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
0
0°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
97
97 mm of monthly rainfall
4
4 (Moderate) UV index

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Trenton weather in April

Expect daytime maximum temperatures of 17°C 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 89 mm of rainfall in the month.

17
17°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
5
5°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
89
89 mm of monthly rainfall
6
6 (High) UV index

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Trenton weather in May

Expect daytime maximum temperatures of 23°C 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 95 mm of rainfall in the month.

23
23°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
10
10°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
95
95 mm of monthly rainfall
8
8 (Very High) UV index

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Trenton weather in June

Expect daytime maximum temperatures of 28°C 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 90 mm of rainfall in the month.

28
28°C max day temperature
9
9 hours of sunshine per day
10
10 days with some rainfall
15
15°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
90
90 mm of monthly rainfall
9
9 (Very High) UV index

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Trenton weather in July

Expect daytime maximum temperatures of 30°C in Trenton, New Jersey in July based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 123 mm of rainfall in the month.

30
30°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
18
18°C min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
123
123 mm of monthly rainfall
9
9 (Very High) UV index

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Trenton weather in August

Expect daytime maximum temperatures of 29°C in Trenton, New Jersey in August based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 109 mm of rainfall in the month.

29
29°C max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
17
17°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
109
109 mm of monthly rainfall
8
8 (Very High) UV index

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Trenton weather in September

Expect daytime maximum temperatures of 26°C in Trenton, New Jersey in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 101 mm of rainfall in the month.

26
26°C max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
13
13°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
101
101 mm of monthly rainfall
6
6 (High) UV index

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Trenton weather in October

Expect daytime maximum temperatures of 20°C in Trenton, New Jersey in October based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 77 mm of rainfall in the month.

20
20°C max day temperature
6
6 hours of sunshine per day
8
8 days with some rainfall
7
7°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
77
77 mm of monthly rainfall
4
4 (Moderate) UV index

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Trenton weather in November

Expect daytime maximum temperatures of 13°C 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 88 mm of rainfall in the month.

13
13°C max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
2
2°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
88
88 mm of monthly rainfall
2
2 (Low) UV index

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Trenton weather in December

Expect daytime maximum temperatures of 7°C 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 94 mm of rainfall in the month.