nomadseason

May Weather in Trenton, United States

Last updated: June 24, 2025

In Trenton, United States, the average temperature in May is a pleasant 22°C (71°F). However, temperatures can vary significantly, dropping as low as 6°C (44°F) and soaring up to 37°C (99°F). During this month, you can expect about 127 mm (5.0 in) of precipitation spread over 11 days. With an average humidity of 81%, it's wise to prepare for a warm and somewhat humid climate!

May Temperature in Trenton

In May, in Trenton, the average temperature is 22°C (71°F). The maximum can reach 37°C (99°F), while the minimum can drop as low as 6°C (44°F). This range makes Trenton a delightful destination for travelers seeking both warm days and cooler nights.

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

The chart illustrates May 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, May typically has an average temperature of 22°C (71°F), with highs reaching up to 37°C (99°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec465254637177807975675450
Data source: Temperature data for Trenton generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Trenton

In Trenton in May, the precipitation amount is 127 mm (5.0 in), occurring over 11 days.

May Precipitation Trends in Trenton

The chart displays monthly precipitation patterns in Trenton, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Trenton, May typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec75986811412717516420419971103120
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Trenton

In Trenton in May humidity is 81%. With an average temperature of 22°C (71°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities somewhat challenging but offering a tropical ambiance perfect for exploring shaded areas and enjoying refreshing drinks.

May Average Humidity in Trenton

This chart illustrates the average monthly humidity levels in Trenton, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Trenton is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%80%80%81%82%83%83%80%80%83%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Trenton

In Trenton in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Trenton.

Maximum UV Index Levels in Trenton for May

The chart shows the monthly maximum UV Index (UVI) for Trenton in May, 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 May, the maximum UV index in Trenton typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109854
Data source: Trenton May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)75 mm (3.0 inches)84%moderate
February Weather11°C (52°F)98 mm (3.9 inches)81%high
March Weather12°C (55°F)67 mm (2.7 inches)80%very high
April Weather17°C (63°F)114 mm (4.5 inches)80%very high
May Weather22°C (71°F)127 mm (5.0 inches)81%extreme
June Weather25°C (77°F)175 mm (6.9 inches)82%extreme
July Weather27°C (80°F)164 mm (6.5 inches)83%extreme
August Weather26°C (79°F)204 mm (8.0 inches)82%very high
September Weather24°C (76°F)199 mm (7.8 inches)80%very high
October Weather20°C (68°F)71 mm (2.8 inches)79%very high
November Weather12°C (55°F)103 mm (4.0 inches)83%moderate
December Weather10°C (50°F)120 mm (4.7 inches)84%moderate

Compare Trenton's Climate with Cities Worldwide