March Weather in Trenton, United States

Last updated: June 24, 2025

In March, the average temperature in Trenton, United States hovers around 7°C (44°F), with potential extremes ranging from a chilly -14°C (8°F) to a warm 25°C (78°F). Expect around 130 mm (5.1 in) of precipitation spread over 12 days, and prepare for a humid environment with an average humidity of 87%.

March Temperature in Trenton

In March in Trenton, the average temperature is 7°C (44°F), with maximums reaching 25°C (78°F) and minimums dropping as low as -14°C (8°F). This means it's essential to pack layers to accommodate both warm days and chilly nights while exploring the area.

March Weather in Trenton: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Trenton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trenton, March typically has an average temperature of 7°C (44°F), with highs reaching up to 25°C (78°F) and lows dropping to around -14°C (8°F).

Data source: Temperature data for Trenton generated using information from the Copernicus Climate Change Service.

March Precipitation in Trenton

In Trenton in March, the precipitation amount is 130 mm (5.1 in) over a span of 12 days.

March Precipitation Trends in Trenton

The chart displays monthly precipitation patterns in Trenton, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Trenton, March typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Trenton

In Trenton in March, humidity is 87%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring travelers to layer up to stay warm and dry.

March Average Humidity in Trenton

This chart illustrates the average monthly humidity levels in Trenton, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Trenton is approximately 87%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Trenton

In Trenton in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Trenton, you can refer to this Hourly UV Index in Trenton.

Maximum UV Index Levels in Trenton for March

The chart shows the monthly maximum UV Index (UVI) for Trenton in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Trenton typically reaches 6, which falls under the high exposure category.

Data source: Trenton March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How March Weather in Trenton Compares to Other Months

Weather in Trenton varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Trenton, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Trenton, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	81 mm (3.2 inches)	88%	moderate
February Weather	2°C (36°F)	108 mm (4.2 inches)	88%	moderate
March Weather	7°C (44°F)	130 mm (5.1 inches)	87%	high
April Weather	12°C (53°F)	109 mm (4.3 inches)	85%	very high
May Weather	18°C (65°F)	130 mm (5.1 inches)	81%	very high
June Weather	23°C (73°F)	137 mm (5.4 inches)	82%	very high
July Weather	25°C (77°F)	117 mm (4.6 inches)	81%	very high
August Weather	24°C (75°F)	94 mm (3.7 inches)	73%	very high
September Weather	21°C (70°F)	81 mm (3.2 inches)	73%	very high
October Weather	15°C (59°F)	100 mm (3.9 inches)	78%	high
November Weather	6°C (43°F)	98 mm (3.9 inches)	89%	moderate
December Weather	3°C (38°F)	103 mm (4.0 inches)	87%	moderate