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May Weather in Millville, United States

Last updated: June 24, 2025

In May, the average temperature in Millville, United States hovers around 18°C (65°F). Expect a range that can swing from a chilly -1°C (31°F) to a warm 33°C (92°F). With 128 mm (5.0 in) of precipitation spread over 14 days, the air remains quite moist, achieving an average humidity of 81%.

May Temperature in Millville

In May in Millville, the average temperature is 18°C (65°F). The maximum can reach 33°C (92°F) and the minimum can be as low as -1°C (31°F). This variation makes Millville an intriguing travel destination, offering both warm days and cooler nights.

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

The chart illustrates May temperature patterns in Millville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Millville, May typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec313543536573777469584237
Data source: Temperature data for Millville 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 Millville

In Millville in May, the precipitation amount is 128 mm (5.0 in) over a span of 14 days.

May Precipitation Trends in Millville

The chart displays monthly precipitation patterns in Millville, 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 Millville, May typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7810713110912813111399821009897
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Millville

In Millville in May, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

May Average Humidity in Millville

This chart illustrates the average monthly humidity levels in Millville, 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 Millville is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Millville

In Millville 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 Millville.

Maximum UV Index Levels in Millville for May

The chart shows the monthly maximum UV Index (UVI) for Millville 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 Millville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Millville 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 Millville Compares to Other Months

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

This table compares monthly weather conditions in Millville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)78 mm (3.1 inches)88%moderate
February Weather2°C (35°F)107 mm (4.2 inches)88%moderate
March Weather6°C (44°F)130 mm (5.1 inches)87%high
April Weather11°C (53°F)109 mm (4.3 inches)85%very high
May Weather18°C (65°F)128 mm (5.0 inches)81%very high
June Weather23°C (73°F)131 mm (5.2 inches)82%very high
July Weather25°C (77°F)113 mm (4.4 inches)81%very high
August Weather23°C (74°F)99 mm (3.9 inches)73%very high
September Weather21°C (70°F)82 mm (3.2 inches)73%very high
October Weather14°C (58°F)100 mm (3.9 inches)78%high
November Weather6°C (42°F)98 mm (3.8 inches)89%moderate
December Weather3°C (37°F)97 mm (3.8 inches)87%moderate

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