Trenton weather in March
In March, Trenton sees average daytime highs of 51°F and overnight lows near 35°F, with 4.2 in of precipitation across 10.3 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.
Highs climb over the month, from about 47°F in the first days to 56°F by the end. The sky is clear or mostly clear about 27% of the time in March, and the air most often feels dry.
Daylight stretches from about 11 hours at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Trenton's 9th-clearest and 1st-windiest month. For the whole year in context, see Trenton's year-round climate.
- Daytime high
- 51°
- 9th warmest
- Overnight low
- 35°
- 4th coldest
- Precipitation
- 4.2 in
- 10.3 wet days
- Daylight
- 11 h 42 min
- 6:19 AM – 5:59 PM
- Cloud cover
- 63%
- 9th clearest
- Wind
- 8 mph
- 1st windiest
- Solar energy
- 4.04 kWh/m²
- Travel score
- 2.5
- out of 10
Trenton is capital city of the U.S. state of New Jersey and seat of Mercer County.
- Density
- 4,218/km²
- people per km²
- Founded
- 1719
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Highs climb over the month, from about 47°F in the first days to 56°F by the end.
A typical March day in Trenton reaches about 51°F in the afternoon and slips back to 35°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 39°F and 65°F. Set against its neighbours, March runs about 8°F warmer than February and about 12°F cooler than April.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 47 | 47 | 47 | 48 | 48 | 48 | 49 | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 51 | 51 | 51 | 51 | 52 | 52 | 52 | 53 | 53 | 53 | 54 | 54 | 55 | 55 | 56 | 56 | 56 |
| Avg low (°F) | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 38 | 39 | 39 | 39 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 47 | 31 |
| 2 | 47 | 31 |
| 3 | 47 | 31 |
| 4 | 48 | 31 |
| 5 | 48 | 32 |
| 6 | 48 | 32 |
| 7 | 49 | 32 |
| 8 | 49 | 32 |
| 9 | 49 | 33 |
| 10 | 49 | 33 |
| 11 | 50 | 33 |
| 12 | 50 | 33 |
| 13 | 50 | 33 |
| 14 | 50 | 34 |
| 15 | 51 | 34 |
| 16 | 51 | 34 |
| 17 | 51 | 35 |
| 18 | 51 | 35 |
| 19 | 52 | 35 |
| 20 | 52 | 35 |
| 21 | 52 | 36 |
| 22 | 53 | 36 |
| 23 | 53 | 37 |
| 24 | 53 | 37 |
| 25 | 54 | 37 |
| 26 | 54 | 38 |
| 27 | 55 | 38 |
| 28 | 55 | 38 |
| 29 | 56 | 39 |
| 30 | 56 | 39 |
| 31 | 56 | 39 |
How March really feels in Trenton
Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 26 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in March is cold — wind chill drags the overnight "feels like" below the raw low.
Trenton weather by month
How March compares with the rest of the year at a glance. March is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 40° / 27° | 3.3 | 9.3 | 3.8 | 9.5 | 0.0 |
| Feb | 43° / 28° | 3.0 | 8.8 | 3.4 | 10.4 | 0.5 |
| Mar | 51° / 35° | 4.2 | 10.3 | 2.6 | 11.7 | 2.5 |
| Apr | 63° / 45° | 3.6 | 10.6 | 0.3 | 13 | 5.2 |
| May | 72° / 54° | 3.5 | 11.4 | 0 | 14.2 | 6.4 |
| Jun | 81° / 63° | 4.0 | 10.8 | 0 | 14.8 | 6.0 |
| Jul | 86° / 69° | 4.2 | 11.3 | 0 | 14.6 | 4.9 |
| Aug | 84° / 67° | 4.0 | 10.4 | 0 | 13.6 | 5.6 |
| Sep | 77° / 60° | 4.0 | 9.2 | 0 | 12.3 | 6.9 |
| Oct | 65° / 49° | 3.6 | 8.4 | 0.1 | 10.9 | 6.2 |
| Nov | 54° / 39° | 2.9 | 7.8 | 0.3 | 9.8 | 3.5 |
| Dec | 45° / 31° | 4.0 | 9.4 | 1.9 | 9.2 | 1.0 |
Cloud cover in March
The sky is clear or mostly clear about 27% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 58%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 42 | 41 | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 41 |
| Cloudier (%) | 58 | 58 | 58 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 58 | 59 | 59 | 59 | 59 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 59 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 42 | 58 |
| 2 | 42 | 58 |
| 3 | 42 | 58 |
| 4 | 43 | 57 |
| 5 | 43 | 57 |
| 6 | 43 | 57 |
| 7 | 43 | 57 |
| 8 | 43 | 57 |
| 9 | 43 | 57 |
| 10 | 43 | 57 |
| 11 | 43 | 57 |
| 12 | 43 | 57 |
| 13 | 43 | 57 |
| 14 | 43 | 57 |
| 15 | 43 | 57 |
| 16 | 43 | 57 |
| 17 | 42 | 58 |
| 18 | 41 | 59 |
| 19 | 41 | 59 |
| 20 | 41 | 59 |
| 21 | 41 | 59 |
| 22 | 40 | 60 |
| 23 | 40 | 60 |
| 24 | 40 | 60 |
| 25 | 40 | 60 |
| 26 | 40 | 60 |
| 27 | 40 | 60 |
| 28 | 40 | 60 |
| 29 | 40 | 60 |
| 30 | 40 | 60 |
| 31 | 41 | 59 |
Chance of precipitation in March
Trenton gets around 4.2 in of rain and snow over 10.3 wet days in March, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 33% and peaks near 37% on the wettest days, and about 3 days bring snow.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 35 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 33 | 33 | 34 | 35 | 35 | 36 | 36 | 36 | 36 | 37 |
| Snow chance (%) | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 3 | 3 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 35 | 12 |
| 2 | 34 | 12 |
| 3 | 34 | 12 |
| 4 | 34 | 11 |
| 5 | 33 | 11 |
| 6 | 33 | 11 |
| 7 | 33 | 11 |
| 8 | 33 | 11 |
| 9 | 32 | 10 |
| 10 | 32 | 10 |
| 11 | 32 | 10 |
| 12 | 31 | 10 |
| 13 | 31 | 9 |
| 14 | 31 | 9 |
| 15 | 31 | 9 |
| 16 | 31 | 9 |
| 17 | 31 | 8 |
| 18 | 31 | 8 |
| 19 | 32 | 8 |
| 20 | 32 | 8 |
| 21 | 32 | 7 |
| 22 | 33 | 7 |
| 23 | 33 | 6 |
| 24 | 34 | 6 |
| 25 | 35 | 5 |
| 26 | 35 | 5 |
| 27 | 36 | 5 |
| 28 | 36 | 4 |
| 29 | 36 | 4 |
| 30 | 36 | 3 |
| 31 | 37 | 3 |
Humidity in March
Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 100 | 0 |
| 2 | 100 | 0 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 100 | 0 |
| 12 | 100 | 0 |
| 13 | 100 | 0 |
| 14 | 100 | 0 |
| 15 | 100 | 0 |
| 16 | 99 | 1 |
| 17 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 99 | 1 |
| 20 | 99 | 1 |
| 21 | 99 | 1 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 99 | 1 |
| 27 | 99 | 1 |
| 28 | 99 | 1 |
| 29 | 99 | 1 |
| 30 | 99 | 1 |
| 31 | 99 | 1 |
Wind in March
Winds average 8 mph in March, the windiest month of the year.
Across March, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 8 | light breeze |
| 2 | 8 | light breeze |
| 3 | 8 | light breeze |
| 4 | 8 | light breeze |
| 5 | 8 | light breeze |
| 6 | 8 | light breeze |
| 7 | 8 | light breeze |
| 8 | 8 | light breeze |
| 9 | 8 | light breeze |
| 10 | 8 | light breeze |
| 11 | 8 | light breeze |
| 12 | 8 | light breeze |
| 13 | 8 | light breeze |
| 14 | 8 | light breeze |
| 15 | 8 | light breeze |
| 16 | 8 | light breeze |
| 17 | 8 | light breeze |
| 18 | 8 | light breeze |
| 19 | 8 | light breeze |
| 20 | 8 | light breeze |
| 21 | 8 | light breeze |
| 22 | 8 | light breeze |
| 23 | 8 | light breeze |
| 24 | 8 | light breeze |
| 25 | 8 | light breeze |
| 26 | 8 | light breeze |
| 27 | 8 | light breeze |
| 28 | 8 | light breeze |
| 29 | 8 | light breeze |
| 30 | 8 | light breeze |
| 31 | 8 | light breeze |
Sunrise & sunset in March
Daylight runs from about 11 hours at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 84 minutes over March. Sunrise moves from 6:42 AM to 5:53 AM, and sunset from 5:42 PM to 6:15 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.0 | 11.0 | 11.1 | 11.1 | 11.2 | 11.2 | 11.3 | 11.3 | 11.4 | 11.4 | 11.4 | 11.5 | 11.5 | 11.6 | 11.6 | 11.7 | 11.7 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.1 | 12.1 | 12.2 | 12.2 | 12.3 | 12.3 | 12.4 |
| Sunrise (AM) | 6:42 | 6:41 | 6:39 | 6:38 | 6:36 | 6:35 | 6:33 | 6:31 | 6:30 | 6:28 | 6:27 | 6:25 | 6:23 | 6:22 | 6:20 | 6:19 | 6:17 | 6:15 | 6:14 | 6:12 | 6:10 | 6:09 | 6:07 | 6:05 | 6:03 | 6:02 | 6:00 | 5:58 | 5:57 | 5:55 | 5:53 |
| Sunset (PM) | 5:42 | 5:43 | 5:45 | 5:46 | 5:47 | 5:48 | 5:49 | 5:50 | 5:51 | 5:52 | 5:53 | 5:54 | 5:56 | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:02 | 6:03 | 6:04 | 6:05 | 6:06 | 6:07 | 6:08 | 6:09 | 6:10 | 6:11 | 6:12 | 6:13 | 6:15 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.0 | 6:42 | 5:42 |
| 2 | 11.0 | 6:41 | 5:43 |
| 3 | 11.1 | 6:39 | 5:45 |
| 4 | 11.1 | 6:38 | 5:46 |
| 5 | 11.2 | 6:36 | 5:47 |
| 6 | 11.2 | 6:35 | 5:48 |
| 7 | 11.3 | 6:33 | 5:49 |
| 8 | 11.3 | 6:31 | 5:50 |
| 9 | 11.4 | 6:30 | 5:51 |
| 10 | 11.4 | 6:28 | 5:52 |
| 11 | 11.4 | 6:27 | 5:53 |
| 12 | 11.5 | 6:25 | 5:54 |
| 13 | 11.5 | 6:23 | 5:56 |
| 14 | 11.6 | 6:22 | 5:57 |
| 15 | 11.6 | 6:20 | 5:58 |
| 16 | 11.7 | 6:19 | 5:59 |
| 17 | 11.7 | 6:17 | 6:00 |
| 18 | 11.8 | 6:15 | 6:01 |
| 19 | 11.8 | 6:14 | 6:02 |
| 20 | 11.9 | 6:12 | 6:03 |
| 21 | 11.9 | 6:10 | 6:04 |
| 22 | 11.9 | 6:09 | 6:05 |
| 23 | 12.0 | 6:07 | 6:06 |
| 24 | 12.0 | 6:05 | 6:07 |
| 25 | 12.1 | 6:03 | 6:08 |
| 26 | 12.1 | 6:02 | 6:09 |
| 27 | 12.2 | 6:00 | 6:10 |
| 28 | 12.2 | 5:58 | 6:11 |
| 29 | 12.3 | 5:57 | 6:12 |
| 30 | 12.3 | 5:55 | 6:13 |
| 31 | 12.4 | 5:53 | 6:15 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 4.04 kWh/m².
For context, solar energy here swings from a low near 1.8 kWh/m² to a high of 6.01 kWh/m² in June across the year — March's 4.04 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.5 | 3.6 | 3.6 | 3.6 | 3.7 | 3.7 | 3.8 | 3.8 | 3.9 | 3.9 | 3.9 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.5 | Moderate |
| 2 | 3.6 | Moderate |
| 3 | 3.6 | Moderate |
| 4 | 3.6 | Moderate |
| 5 | 3.7 | Moderate |
| 6 | 3.7 | Moderate |
| 7 | 3.8 | Moderate |
| 8 | 3.8 | Moderate |
| 9 | 3.9 | Moderate |
| 10 | 3.9 | Moderate |
| 11 | 3.9 | Moderate |
| 12 | 4.0 | Moderate |
| 13 | 4.0 | Bright |
| 14 | 4.0 | Bright |
| 15 | 4.1 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.2 | Bright |
| 20 | 4.2 | Bright |
| 21 | 4.2 | Bright |
| 22 | 4.2 | Bright |
| 23 | 4.3 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.3 | Bright |
| 26 | 4.3 | Bright |
| 27 | 4.4 | Bright |
| 28 | 4.4 | Bright |
| 29 | 4.4 | Bright |
| 30 | 4.5 | Bright |
| 31 | 4.5 | Bright |
Hazard calendar for Trenton
None of Trenton's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Trenton sits in the Atlantic hurricane belt; the season peaks August–October.
Is March a good time to visit Trenton?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a weaker month for outdoor sightseeing in Trenton.
What to pack for Trenton in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Trenton sees daytime highs around 51°F and nights near 35°F. Pack a warm layer. Worth having: rain gear. About 10 days see rain.
UV index in Trenton in March
Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Trenton peaks around July 11 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 6 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | High | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Trenton in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Trenton is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 13 | 14 | 14 | 16 | 17 | 18 | 15 | 13 | 10 | 9 | 10 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 13 | Moderate |
| Mar | 14 | Moderate |
| Apr | 14 | Moderate |
| May | 16 | Moderate |
| Jun | 17 | Moderate |
| Jul | 18 | Moderate |
| Aug | 15 | Moderate |
| Sep | 13 | Moderate |
| Oct | 10 | Good |
| Nov | 9 | Good |
| Dec | 10 | Good |
Where is Trenton?
Trenton sits at 40.2°N, 74.7°W, 56 ft above sea level, in United States. The nearest listed city is Mercerville-Hamilton Square, 3.7 mi away.
Topography around Trenton
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Trenton.
Within 2 miles, the terrain around Trenton has only modest variations in elevation — a maximum elevation change of 135 ft around an average of 59 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 515 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,535 ft.
The land around Trenton is covered by artificial surfaces (53%) and trees (32%) within 2 miles, trees (56%) within 10 miles, and trees (62%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Trenton (40.2171°, -74.7429°, elevation 56 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).