easeweather.com
Trenton (NJ)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Norfolk (VA)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Riverside (CA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)
Trenton (NJ)
Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Trenton, New Jersey for January 2026

Your guide to Trenton weather in January - trends and predictions

    Snow Forecast ❄️

  • With an average of 4 snowy days, Trenton usually enjoys a light touch of snow in January.
    According to Trenton snow forecast for January 2026, 2 snowy days are expected in the next 2 weeks. The closest date with snow is Thursday, January 15.

    • Temperatures

  • So far, January 2026 in Trenton is slightly warmer than the historical average by 1.1 °F.

  • The forecast for the upcoming days in Trenton predicts a temperature of 3.6 °F, which is slightly above the historical average.

  • In general, the average temperature in Trenton at the beginning of January is 0.9 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 3.6 °F by the end of January.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
23
Dry days
Average rainy days
4
Rainy days
Average snowy days
4
Snow days
Average temperatures
1°/-5°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Trenton Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
0°
2
Overcast
1°
3
Overcast
0°
4
Sunny
2°
5
Sunny
0°
6
Patchy moderate snow
0°
7
Sunny
3°
8
Cloudy
2°
9
Patchy rain possible
16°
10
Heavy rain
10°
11
Heavy rain
8°
12
Sunny
5°
13
Partly cloudy
7°
14
Patchy rain possible
8°
15
Moderate or heavy snow showers
2°
16
Partly cloudy
-6°
17
Sunny
-2°
18
Moderate or heavy snow showers
0°
19
Patchy rain possible
3°
20
Partly cloudy
-2°
21
Partly cloudy
2°
22
Heavy freezing drizzle
0°
23
Overcast
-2°
24
Sunny
0°
25
Cloudy
0°
26
Overcast
3°
27
Partly cloudy
4°
28
Cloudy
2°
29
Overcast
7°
30
Overcast
3°
31
Moderate rain
6°

Temperatures trend during January in Trenton

See the weather trend as well as the moving average line

January weather in Trenton day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Partly cloudy
Partly cloudy
 0° /-4° 0 mm 0 cm
Jan. 2 Overcast
Overcast
 1° /-5° 0 mm 0 cm
Jan. 3 Overcast
Overcast
 0° /-5° 0 mm 0 cm
Jan. 4 Sunny
Sunny
 2° /-3° 0 mm 0 cm
Jan. 5 Sunny
Sunny
 0° /-5° 0 mm 0 cm
Jan. 6 Patchy moderate snow
Patchy moderate snow
 0° /-3° 2 mm 1 cm
Jan. 7 Sunny
Sunny
 3° /-3° 0 mm 0 cm
Jan. 8 Cloudy
Cloudy
 2° /-4° 0 mm 0 cm
Jan. 9 Patchy rain possible
Patchy rain possible
 16° /-1° 0.4 mm 0 cm
Jan. 10 Heavy rain
Heavy rain
 10° /5° 51.2 mm 0 cm
Jan. 11 Heavy rain
Heavy rain
 8° /0° 20.6 mm 0 cm
Jan. 12 Sunny
Sunny
 5° /0° 0 mm 0 cm
Jan. 13 Partly cloudy
Partly cloudy
 7° /1° 0 mm 0 cm
Jan. 14 Patchy rain possible
Patchy rain possible
 8° /3° 1.1 mm 0 cm
Jan. 15 Moderate or heavy snow showers
Moderate or heavy snow showers
 2° /-5° 3.3 mm 2.4 cm
Jan. 16 Partly cloudy
Partly cloudy
 -6° /-10° 0 mm 0 cm
Jan. 17 Sunny
Sunny
 -2° /-11° 0 mm 0 cm
Jan. 18 Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-4° 7.6 mm 0.1 cm
Jan. 19 Patchy rain possible
Patchy rain possible
 3° /0° 2.7 mm 0 cm
Jan. 20 Partly cloudy
Partly cloudy
 -2° /-5° 0 mm 0 cm
Jan. 21 Partly cloudy
Partly cloudy
 2° /-3° 0 mm 0 cm
Jan. 22 Heavy freezing drizzle
Heavy freezing drizzle
 0° /0° 1 mm 0 cm
Jan. 23 Overcast
Overcast
 -2° /-10° 0 mm 0 cm
Jan. 24 Sunny
Sunny
 0° /-7° 0 mm 0 cm
Jan. 25 Cloudy
Cloudy
 0° /-8° 0 mm 0 cm
Jan. 26 Overcast
Overcast
 3° /-3° 0 mm 0 cm
Jan. 27 Partly cloudy
Partly cloudy
 4° /-5° 0 mm 0 cm
Jan. 28 Cloudy
Cloudy
 2° /-2° 0 mm 0 cm
Jan. 29 Overcast
Overcast
 7° /-1° 0 mm 0 cm
Jan. 30 Overcast
Overcast
 3° /-4° 0 mm 0 cm
Jan. 31 Moderate rain
Moderate rain
 6° /0° 15.5 mm 0 cm
Next
Important Notice
Our weather forecast for Trenton in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Trenton forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Trenton in January - FAQ

What are the expected maximum and minimum temperatures in Trenton during January?

Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Trenton during January?

In January, Trenton can expect light to moderate rainfall, totaling 31.8 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Trenton in January 2026?

Trenton experiences an average snowfall of 8.6 cm during January, occurring over 4 days.

What are the typical wind conditions in Trenton during January?

The average wind speed in Trenton during January is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Trenton snow forecast January 2026

Track daily snowfall levels and discover Trenton’s snowy potential this January ❄️
On average, Trenton sees 4 snowy days during January, with approximately 8.6 cm of total snowfall.

January rainfall patterns in Trenton

Explore the daily rainfall trends and prepare for Trentons January weather 💧
Typically, Trenton has 4 rainy days in January with a total of 31.8 mm of rainfall.

Quick links

More Trenton weather pages
You are here
Location coordinates Where is Trenton?

Get accurate weather forecasts for Trenton, located at latitude 40.217 and longitude -74.743. Stay updated with localized weather information tailored for Trenton.

Found a mistake?
We appreciate your attention to details. Tell us here.