Climate and Average Weather Year Round in Trenton New Jersey, United States

In Trenton, the summers are warm, humid, and wet; the winters are very cold and snowy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 25°F to 86°F and is rarely below 12°F or above 94°F.

Weather forecast Trenton
Weather forecast Trenton

Based on the tourism score, the best times of year to visit Trenton for warm-weather activities are from mid June to early July and from early August to late September.

Average Temperature in Trenton 

The hot season lasts for 3.5 months, from May 31 to September 16, with an average daily high temperature above 77°F. The hottest month of the year in Trenton is July, with an average high of 85°F and low of 68°F.

The cold season lasts for 3.2 months, from December 3 to March 9, with an average daily high temperature below 49°F. The coldest month of the year in Trenton is January, with an average low of 26°F and high of 40°F.

Rainfall 

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Trenton experiences some seasonal variation in monthly rainfall.

Rain falls throughout the year in Trenton. The month with the most rain in Trenton is July, with an average rainfall of 3.7 inches.

The month with the least rain in Trenton is February, with an average rainfall of 2.2 inches.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Trenton experiences significant seasonal variation in monthly snowfall.

The snowy period of the year lasts for 4.3 months, from November 22 to April 1, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow in Trenton is February, with an average snowfall of 6.1 inches.

The snowless period of the year lasts for 7.7 months, from April 1 to November 22. The least snow falls around July 24, with an average total accumulation of 0.0 inches.

Weather forecast March 31, 2023

Weather forecast March 31, 2023 - P3

Weather 08550

High temperature : 40°F

Low temperature : 35°F

- Overcast clouds, Wind speed 7 mph, wind out of the NNW. Visibility 7 mi, humidity 68% . Chance of Rain : 0 % .

Today's Air Quality - Weather 08550 : Moderate

- Air Quality Index : CO : 273.71 ; NH3 : 0.63 ; NO : 0 ; NO2 : 5.48 ; O3 : 89.41 ; PM10 : 3.67 ; PM2.5 : 3.19 ; SO2 : 2.74

Weather 08551

High temperature : 40°F

Low temperature : 34°F

- Overcast clouds, Wind speed 3 mph, wind out of the NNW. Visibility 7 mi, humidity 63% . Chance of Rain : 0 % .

Today's Air Quality - Weather 08551 : Poor

- Air Quality Index : CO : 260.35 ; NH3 : 0.27 ; NO : 0 ; NO2 : 3 ; O3 : 100.14 ; PM10 : 1.18 ; PM2.5 : 1.05 ; SO2 : 2.12

Weather 08553

High temperature : 40°F

Low temperature : 34°F

- Overcast clouds, Wind speed 5.01 mph, wind out of the NNW. Visibility 7 mi, humidity 67% . Chance of Rain : 88 % .

Today's Air Quality - Weather 08553 : Poor

- Air Quality Index : CO : 260.35 ; NH3 : 0.27 ; NO : 0 ; NO2 : 3.17 ; O3 : 100.14 ; PM10 : 1.25 ; PM2.5 : 1.1 ; SO2 : 2.3

Weather 08554

High temperature : 42°F

Low temperature : 36°F

- Overcast clouds, Wind speed 8.05 mph, wind out of the NW. Visibility 7 mi, humidity 67% . Chance of Rain : 0 % .

Today's Air Quality - Weather 08554 : Moderate

- Air Quality Index : CO : 283.72 ; NH3 : 1.38 ; NO : 0 ; NO2 : 6.77 ; O3 : 91.55 ; PM10 : 6.27 ; PM2.5 : 5.53 ; SO2 : 3.55

Weather 08555

High temperature : 41°F

Low temperature : 35°F

- Overcast clouds, Wind speed 8.99 mph, wind out of the WNW. Visibility 7 mi, humidity 71% . Chance of Rain : 100 % .

Today's Air Quality - Weather 08555 : Moderate

- Air Quality Index : CO : 277.04 ; NH3 : 0.82 ; NO : 0 ; NO2 : 6.34 ; O3 : 86.55 ; PM10 : 5.63 ; PM2.5 : 5.05 ; SO2 : 2.95

Weather 32205

High temperature : 65°F

Low temperature : 59°F

- Overcast clouds, Wind speed 11.01 mph, wind out of the NNE. Visibility 7 mi, humidity 81% . Chance of Rain : 0 % .

Today's Air Quality - Weather 32205 : Moderate

- Air Quality Index : CO : 240.33 ; NH3 : 1.38 ; NO : 0 ; NO2 : 2.7 ; O3 : 67.95 ; PM10 : 13.79 ; PM2.5 : 11.52 ; SO2 : 0.89

Weather 08557

High temperature : 39°F

Low temperature : 33°F

- Overcast clouds, Wind speed 11.5 mph, wind out of the NW. Visibility 7 mi, humidity 59% . Chance of Rain : 0 % .

Today's Air Quality - Weather 08557 : Poor

- Air Quality Index : CO : 260.35 ; NH3 : 0.27 ; NO : 0 ; NO2 : 3 ; O3 : 100.14 ; PM10 : 1.18 ; PM2.5 : 1.05 ; SO2 : 2.12

Weather 08558

High temperature : 40°F

Low temperature : 34°F

- Overcast clouds, Wind speed 5.01 mph, wind out of the NNW. Visibility 7 mi, humidity 66% . Chance of Rain : 0 % .

Today's Air Quality - Weather 08558 : Poor

- Air Quality Index : CO : 260.35 ; NH3 : 0.27 ; NO : 0 ; NO2 : 3.17 ; O3 : 100.14 ; PM10 : 1.25 ; PM2.5 : 1.1 ; SO2 : 2.3

Weather 10027

High temperature : 40°F

Low temperature : 32°F

- Overcast clouds, Wind speed 29.93 mph, wind out of the NW. Visibility 7 mi, humidity 62% . Chance of Rain : 40 % .

Today's Air Quality - Weather 10027 : Moderate

- Air Quality Index : CO : 267.03 ; NH3 : 0.28 ; NO : 0 ; NO2 : 3.73 ; O3 : 98.71 ; PM10 : 1.23 ; PM2.5 : 1.08 ; SO2 : 2.33

Weather 08560

High temperature : 41°F

Low temperature : 34°F

- Overcast clouds, Wind speed 11.01 mph, wind out of the NW. Visibility 7 mi, humidity 64% . Chance of Rain : 0 % .

Today's Air Quality - Weather 08560 : Moderate

- Air Quality Index : CO : 267.03 ; NH3 : 0.58 ; NO : 0 ; NO2 : 4.46 ; O3 : 95.84 ; PM10 : 2.13 ; PM2.5 : 1.76 ; SO2 : 2.83

Weather 01852 - Lowell MA

clear sky

74°

clear sky

Feels like 73°
Sunrise/Sunset - 01852
Sunrise/Sunset

05:31/19:51

Temperature - 01852
High/Low

79°F

/

68°F

Humidity in 01852
Humidity

38%

Pressure
Pressure

1006 hPa

Visibility
Visibility

7 mi

Wind
Wind

4 mph