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April Weather in Trenton, United States

Last updated: June 24, 2025

In April, the average temperature in Trenton, United States is a brisk 10°C (50°F). However, be prepared for a wide range of temperatures—minimums can drop to -10°C (14°F), while highs may soar up to 35°C (96°F). Rainfall is moderate, with an average precipitation of 40 mm (1.6 in) spread over 7 days during the month, and humidity averages around 64%.

April Temperature in Trenton

In April in Trenton, the average temperature is 10°C (50°F). Maximums can reach 35°C (96°F), while minimums can drop as low as -10°C (14°F). Therefore, it's essential to pack layers to accommodate the wide range of temperatures when traveling during this time.

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

The chart illustrates April 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, April typically has an average temperature of 10°C (50°F), with highs reaching up to 35°C (96°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec302942506075787569514234
Data source: Temperature data for Trenton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Trenton

In Trenton in April, the precipitation amount is 40 mm (1.6 in) over a span of 7 days.

April Precipitation Trends in Trenton

The chart displays monthly precipitation patterns in Trenton, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Trenton, April typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1716664012255736553401521
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Trenton

In Trenton in April, humidity is 64%. With an average temperature of 10°C (50°F), this humidity feels like a brisk chill that wraps around you, making outdoor activities invigorating yet slightly damp, so travelers should layer up to stay comfortable while exploring.

April Average Humidity in Trenton

This chart illustrates the average monthly humidity levels in Trenton, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Trenton is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%80%64%64%76%79%77%79%70%64%75%78%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Trenton

In Trenton in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Trenton.

Maximum UV Index Levels in Trenton for April

The chart shows the monthly maximum UV Index (UVI) for Trenton in April, 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 April, the maximum UV index in Trenton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Trenton April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)17 mm (0.7 inches)73%moderate
February Weather-2°C (29°F)16 mm (0.6 inches)80%moderate
March Weather6°C (42°F)66 mm (2.6 inches)64%high
April Weather10°C (50°F)40 mm (1.6 inches)64%very high
May Weather16°C (61°F)122 mm (4.8 inches)76%very high
June Weather24°C (75°F)55 mm (2.2 inches)79%extreme
July Weather26°C (78°F)73 mm (2.9 inches)77%extreme
August Weather24°C (75°F)65 mm (2.6 inches)79%very high
September Weather21°C (69°F)53 mm (2.1 inches)70%very high
October Weather11°C (52°F)40 mm (1.6 inches)64%high
November Weather6°C (42°F)15 mm (0.6 inches)75%moderate
December Weather1°C (34°F)21 mm (0.8 inches)78%moderate

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