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May Weather in Newark, United States

Last updated: June 24, 2025

In May, the average temperature in Newark, United States hovers around 17°C (62°F). However, be prepared for a range of temperatures, with lows dipping to -1°C (31°F) and highs soaring up to 34°C (94°F). During this month, you can expect a total precipitation of 157 mm (6.2 in) spread over approximately 16 days, accompanied by relatively high humidity levels at 79%.

May Temperature in Newark

In May in Newark, the average temperature is 17°C (62°F). Maximum temperatures can reach 34°C (94°F), while the minimum can drop as low as -1°C (31°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm days and chilly nights.

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

The chart illustrates May temperature patterns in Newark, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newark, May typically has an average temperature of 17°C (62°F), with highs reaching up to 34°C (94°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec252740496273767368553933
Data source: Temperature data for Newark 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 Newark

In Newark in May, the total precipitation amount is 157 mm (6.2 in) spread over 16 days.

May Precipitation Trends in Newark

The chart displays monthly precipitation patterns in Newark, 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 Newark, May typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec63649011615713810777921315754
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Newark

In Newark in May humidity is 79%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket wrapping around you, making strolling through the streets a bit heavier but still comfortably refreshing for travelers.

May Average Humidity in Newark

This chart illustrates the average monthly humidity levels in Newark, 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 Newark is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Newark

In Newark in May, 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 Newark.

Maximum UV Index Levels in Newark for May

The chart shows the monthly maximum UV Index (UVI) for Newark 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 Newark typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Newark 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 Newark Compares to Other Months

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

This table compares monthly weather conditions in Newark, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)63 mm (2.5 inches)82%moderate
February Weather-3°C (28°F)64 mm (2.5 inches)83%moderate
March Weather5°C (40°F)90 mm (3.5 inches)84%high
April Weather10°C (50°F)116 mm (4.6 inches)85%very high
May Weather17°C (62°F)157 mm (6.2 inches)79%very high
June Weather23°C (73°F)138 mm (5.4 inches)82%very high
July Weather24°C (76°F)107 mm (4.2 inches)80%very high
August Weather23°C (73°F)77 mm (3.0 inches)81%very high
September Weather20°C (69°F)92 mm (3.6 inches)80%very high
October Weather13°C (55°F)131 mm (5.2 inches)82%high
November Weather4°C (40°F)57 mm (2.2 inches)88%moderate
December Weather1°C (33°F)54 mm (2.1 inches)84%low

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