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May Weather in Passaic, United States

Last updated: June 24, 2025

In May, the average temperature in Passaic, United States is a comfortable 17°C (62°F). Visitors can expect a temperature range that varies from a chilly 2°C (35°F) to a warm 32°C (90°F). The weather is moderately wet, with 123 mm (4.8 in) of precipitation spread over about 13 days. Relative humidity hovers around 69%, creating a refreshing atmosphere for all.

May Temperature in Passaic

In May in Passaic, the average temperature is 17°C (62°F). Maximum temperatures can reach 32°C (90°F), while the minimum can drop to as low as 2°C (35°F). Visitors should prepare for a wide range of temperatures, ensuring they have both warm and cool clothing options.

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

The chart illustrates May temperature patterns in Passaic, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Passaic, May typically has an average temperature of 17°C (62°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec333641526271777569594537
Data source: Temperature data for Passaic 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.

May Precipitation in Passaic

In Passaic in May, the precipitation amount is 123 mm (4.8 in) over the course of 13 days.

May Precipitation Trends in Passaic

The chart displays monthly precipitation patterns in Passaic, 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 Passaic, May typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec691031001161239714612910013484108
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Passaic

In Passaic in May, humidity is 69%. With an average temperature of 17°C (62°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air hangs heavy around you, causing you to sweat slightly more than usual and prompting a desire for refreshing breaks in shaded areas.

May Average Humidity in Passaic

This chart illustrates the average monthly humidity levels in Passaic, 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 Passaic is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Passaic

In Passaic in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Passaic.

Maximum UV Index Levels in Passaic for May

The chart shows the monthly maximum UV Index (UVI) for Passaic 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 Passaic typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Passaic 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 Passaic Compares to Other Months

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

This table compares monthly weather conditions in Passaic, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)69 mm (2.7 inches)84%moderate
February Weather2°C (36°F)103 mm (4.1 inches)82%moderate
March Weather5°C (42°F)100 mm (3.9 inches)81%high
April Weather11°C (52°F)116 mm (4.6 inches)78%very high
May Weather17°C (62°F)123 mm (4.8 inches)69%very high
June Weather22°C (72°F)97 mm (3.8 inches)69%very high
July Weather25°C (78°F)146 mm (5.7 inches)62%very high
August Weather24°C (76°F)129 mm (5.1 inches)65%very high
September Weather21°C (70°F)100 mm (3.9 inches)68%very high
October Weather15°C (60°F)134 mm (5.3 inches)74%high
November Weather7°C (45°F)84 mm (3.3 inches)82%moderate
December Weather3°C (38°F)108 mm (4.3 inches)80%low

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