March Weather in Trenton, United States

Last updated: June 24, 2025

In March, the average temperature in Trenton, United States is a comfortable 15°C (59°F). However, be prepared for a range of conditions, with minimums dropping to -7°C (20°F) and highs soaring up to 30°C (87°F). Expect about 134 mm (5.3 in) of precipitation over 10 days, accompanied by an average humidity of 78%. Stay prepared for a mix of weather!

March Temperature in Trenton

In March in Trenton, the average temperature is 15°C (59°F). The maximum can reach 30°C (87°F), while the minimum can be as low as -7°C (20°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

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 15°C (59°F), with highs reaching up to 30°C (87°F) and lows dropping to around -7°C (20°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 total precipitation amount reaches 134 mm (5.3 in) over a span of 10 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 134 mm (5.3 inches) of precipitation spread over approximately 10 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 78%. With an average temperature of 15°C (59°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit more tiring and requiring frequent breaks for hydration as you explore the area.

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 78%, 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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the 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 8, which falls under the very 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	7°C (45°F)	71 mm (2.8 inches)	80%	moderate
February Weather	9°C (48°F)	105 mm (4.1 inches)	79%	high
March Weather	15°C (59°F)	134 mm (5.3 inches)	78%	very high
April Weather	17°C (64°F)	162 mm (6.4 inches)	78%	very high
May Weather	23°C (73°F)	176 mm (6.9 inches)	81%	extreme
June Weather	27°C (81°F)	106 mm (4.2 inches)	78%	extreme
July Weather	29°C (84°F)	55 mm (2.2 inches)	73%	extreme
August Weather	28°C (83°F)	97 mm (3.8 inches)	66%	extreme
September Weather	25°C (78°F)	94 mm (3.7 inches)	65%	very high
October Weather	19°C (66°F)	160 mm (6.3 inches)	72%	very high
November Weather	13°C (55°F)	59 mm (2.3 inches)	82%	high
December Weather	10°C (50°F)	77 mm (3.0 inches)	87%	moderate