Trenton weather in April: Trenton, New Jersey: normal highs, lows, rain and records for April

Trenton in April has a normal high of 63°F and a normal low of 42°F, a daily mean of 53°F, rising from 57°F on the 1st to 68°F by the 30th. Measurable precipitation falls on 12 days in a normal April, 3.63 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 17°C and low of 6°C, 92 mm of precipitation and 1 cm of snow in April.

  • NOAA stationTrenton-Mercer Airport
  • Station IDUSW00014792
  • Location40.28°N 74.82°W
  • Elevation184 ft (56 m)
  • From the center5 miles
  • Population91,193
  1. Jan 40° 24°
  2. Feb 43° 26°
  3. Mar 51° 33°
  4. Apr 63° 42°
  5. May 72° 52°
  6. Jun 81° 61°
  7. Jul 86° 67°
  8. Aug 84° 65°
  9. Sep 77° 58°
  10. Oct 66° 46°
  11. Nov 55° 36°
  12. Dec 44° 29°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Trenton in April?

The normal high is 63°F and the normal low 42°F, for a daily mean of 52.5°F. April is 10.8°F warmer than March and 9.5°F cooler than May. April is the 7th warmest month of the year in Trenton and the 9th wettest. Across the month the normal high rises 11°F, from 57°F on April 1 to 68°F on April 30. From one year to the next April's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 50°F and 55°F.

Trenton in April, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 38%).

Normal high and low on five days of April, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
April 157°F37°F38%21%
April 860°F40°F38%21%
April 1563°F42°F38%21%
April 2266°F44°F38%21%
April 3068°F47°F38%21%
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
Trenton: NOAA 1991-2020 daily normals for each day of April
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
April 157°F37°F38%21%12 h 40 min
April 257°F38°F38%21%12 h 40 min
April 358°F38°F38%21%12 h 40 min
April 458°F38°F38%21%12 h 50 min
April 559°F39°F38%21%12 h 50 min
April 659°F39°F38%21%12 h 50 min
April 760°F39°F38%21%12 h 50 min
April 860°F40°F38%21%13 h
April 960°F40°F38%21%13 h
April 1061°F40°F38%21%13 h
April 1161°F41°F38%21%13 h
April 1262°F41°F38%21%13 h 10 min
April 1362°F41°F38%21%13 h 10 min
April 1463°F42°F38%21%13 h 10 min
April 1563°F42°F38%21%13 h 10 min
April 1663°F42°F38%21%13 h 20 min
April 1764°F43°F38%21%13 h 20 min
April 1864°F43°F38%21%13 h 20 min
April 1965°F43°F38%21%13 h 20 min
April 2065°F44°F38%21%13 h 30 min
April 2165°F44°F38%21%13 h 30 min
April 2266°F44°F38%21%13 h 30 min
April 2366°F45°F38%21%13 h 30 min
April 2466°F45°F38%21%13 h 40 min
April 2567°F45°F38%21%13 h 40 min
April 2667°F46°F38%21%13 h 40 min
April 2767°F46°F38%21%13 h 40 min
April 2868°F46°F38%21%13 h 50 min
April 2968°F46°F38%21%13 h 50 min
April 3068°F47°F38%21%13 h 50 min
Normal high
63°FApril average
Normal low
42°FApril average
Precipitation
3.63 inmonth total
Days with precipitation
120.01 inch or more
Snowfall
0.5 inmonth total
Nights at 32°F or colder
3
Daylight
12 h 40 min to 13 h 50 minApril 1 to April 30
Days at 70°F or more
8
Days at 80°F or more
2
Sunshine
71%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014792; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Trenton in April?

On a given April day the chance of 0.01 inch or more is 38% on average, highest around April 9 (38%). In all, 3.63 in falls on 12 days of a normal April, 1 of them with an inch or more.

In a normal April in Trenton, 3 nights fall to freezing and snowfall averages 0.5 inches.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014792.

What are the records for April in Trenton?

The warmest April temperature on Trenton's official record (since 1865) is 93°F, on April 27, 1915; the coldest is 11°F, on April 1, 1923. The wettest April brought 10.32 in (1874); the snowiest, 16.0 inches (1915).

The April mean against the 1991-2020 normal of 52.5°F: 2021 52.6°F (+0.1), 2022 51.0°F (−1.5), 2023 55.2°F (+2.7), 2024 52.9°F (+0.4), 2025 53.5°F (+1.0), 2026 54.4°F (+1.9). 5 of 6 ran warmer than normal.

Trenton: April in recent years against the 1991-2020 normal
AprilMeanAgainst normalPrecip.
202152.6°F+0.1°F2.41 in
202251.0°F−1.5°F5.60 in
202355.2°F+2.7°F4.86 in
202452.9°F+0.4°F4.25 in
202553.5°F+1.0°F2.24 in
202654.4°F+1.9°F1.74 in

Source: records: ACIS, NWS threaded record TTNthr; recent months: ACIS, station USW00014792. Records and recent months use complete months only.

How does April in Trenton compare across New Jersey?

Across the 33 places PlainClimate covers in New Jersey, April normal highs run from 59°F in Long Branch to 67°F in Belleplain; Trenton's is 63°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places