Trenton weather in March: Trenton, New Jersey: normal highs, lows, rain and records for March
Trenton in March has a normal high of 51°F and a normal low of 33°F, a daily mean of 42°F, rising from 46°F on the 1st to 56°F by the 31st. Measurable precipitation falls on 11 days in a normal March, 4.00 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 10°C and low of 0°C, 102 mm of precipitation and 10 cm of snow in March.
- NOAA stationTrenton-Mercer Airport
- Station IDUSW00014792
- Location40.28°N 74.82°W
- Elevation184 ft (56 m)
- From the center5 miles
- Population91,193
- Jan 40° 24°
- Feb 43° 26°
- Mar 51° 33°
- Apr 63° 42°
- May 72° 52°
- Jun 81° 61°
- Jul 86° 67°
- Aug 84° 65°
- Sep 77° 58°
- Oct 66° 46°
- Nov 55° 36°
- 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 March?
The normal high is 51°F and the normal low 33°F, for a daily mean of 41.7°F. March is 7.4°F warmer than February and 10.8°F cooler than April. March is the 9th warmest month of the year in Trenton and the 6th wettest. Across the month the normal high rises 10°F, from 46°F on March 1 to 56°F on March 31. From one year to the next March's mean temperature typically moves about 4.0°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 38°F and 46°F.
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%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 46°F | 29°F | 35% | 21% |
| March 8 | 48°F | 30°F | 35% | 21% |
| March 15 | 50°F | 32°F | 35% | 21% |
| March 22 | 53°F | 34°F | 36% | 21% |
| March 31 | 56°F | 37°F | 38% | 21% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 46°F | 29°F | 35% | 21% | 11 h 10 min |
| March 2 | 46°F | 29°F | 35% | 21% | 11 h 20 min |
| March 3 | 47°F | 29°F | 35% | 21% | 11 h 20 min |
| March 4 | 47°F | 29°F | 35% | 21% | 11 h 20 min |
| March 5 | 47°F | 30°F | 35% | 21% | 11 h 30 min |
| March 6 | 47°F | 30°F | 35% | 21% | 11 h 30 min |
| March 7 | 48°F | 30°F | 35% | 21% | 11 h 30 min |
| March 8 | 48°F | 30°F | 35% | 21% | 11 h 30 min |
| March 9 | 48°F | 31°F | 35% | 21% | 11 h 40 min |
| March 10 | 49°F | 31°F | 35% | 21% | 11 h 40 min |
| March 11 | 49°F | 31°F | 35% | 21% | 11 h 40 min |
| March 12 | 49°F | 32°F | 35% | 21% | 11 h 40 min |
| March 13 | 50°F | 32°F | 35% | 21% | 11 h 50 min |
| March 14 | 50°F | 32°F | 35% | 21% | 11 h 50 min |
| March 15 | 50°F | 32°F | 35% | 21% | 11 h 50 min |
| March 16 | 51°F | 33°F | 35% | 21% | 11 h 50 min |
| March 17 | 51°F | 33°F | 36% | 21% | 12 h |
| March 18 | 51°F | 33°F | 36% | 21% | 12 h |
| March 19 | 52°F | 34°F | 36% | 21% | 12 h |
| March 20 | 52°F | 34°F | 36% | 21% | 12 h 10 min |
| March 21 | 52°F | 34°F | 36% | 21% | 12 h 10 min |
| March 22 | 53°F | 34°F | 36% | 21% | 12 h 10 min |
| March 23 | 53°F | 35°F | 36% | 21% | 12 h 10 min |
| March 24 | 54°F | 35°F | 36% | 21% | 12 h 20 min |
| March 25 | 54°F | 35°F | 36% | 21% | 12 h 20 min |
| March 26 | 54°F | 36°F | 37% | 21% | 12 h 20 min |
| March 27 | 55°F | 36°F | 37% | 21% | 12 h 20 min |
| March 28 | 55°F | 36°F | 37% | 21% | 12 h 30 min |
| March 29 | 56°F | 37°F | 37% | 21% | 12 h 30 min |
| March 30 | 56°F | 37°F | 37% | 21% | 12 h 30 min |
| March 31 | 56°F | 37°F | 38% | 21% | 12 h 30 min |
- Normal high
- 51°FMarch average
- Normal low
- 33°FMarch average
- Precipitation
- 4.00 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 4.0 inmonth total
- Nights at 32°F or colder
- 15
- Daylight
- 11 h 10 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 2
- Days at 80°F or more
- 1
- Sunshine
- 69%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 March?
On a given March day the chance of 0.01 inch or more is 36% on average, highest around March 31 (38%). In all, 4.00 in falls on 11 days of a normal March, 1 of them with an inch or more.
In a normal March in Trenton, 15 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 4.0 inches.
Snow falls on 3 days in a normal March.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014792.
What are the records for March in Trenton?
The warmest March temperature on Trenton's official record (since 1865) is 87°F, on March 30, 1998; the coldest is 0°F, on March 10, 1984. The wettest March brought 8.86 in (1899); the snowiest, 22.5 inches (1888).
The March mean against the 1991-2020 normal of 41.7°F: 2021 44.5°F (+2.8), 2022 43.6°F (+1.9), 2023 42.5°F (+0.8), 2024 46.0°F (+4.3), 2025 46.2°F (+4.5), 2026 45.6°F (+3.9). 6 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 44.5°F | +2.8°F | 3.17 in |
| 2022 | 43.6°F | +1.9°F | 2.67 in |
| 2023 | 42.5°F | +0.8°F | 2.60 in |
| 2024 | 46.0°F | +4.3°F | 7.62 in |
| 2025 | 46.2°F | +4.5°F | 4.85 in |
| 2026 | 45.6°F | +3.9°F | 2.73 in |
Source: records: ACIS, NWS threaded record TTNthr; recent months: ACIS, station USW00014792. Records and recent months use complete months only.
How does March in Trenton compare across New Jersey?
Across the 33 places PlainClimate covers in New Jersey, March normal highs run from 48°F in Newton to 55°F in Belleplain; Trenton's is 51°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.