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May Weather in Denville, United States

Last updated: June 24, 2025

In May, the average temperature in Denville, United States hovers around 16°C (60°F). While it can dip to a brisk 0°C (31°F), the warmth can also soar to a pleasant 33°C (91°F). Expect 137 mm (5.4 in) of precipitation spread over 12 days, accompanied by an average humidity level of 69%.

May Temperature in Denville

In May in Denville, the average temperature is 16°C (60°F), with maximums reaching 33°C (91°F) and minimums dipping as low as 0°C (31°F). This range makes it essential for travelers to pack for both warm and cool conditions.

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

The chart illustrates May temperature patterns in Denville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Denville, May typically has an average temperature of 16°C (60°F), with highs reaching up to 33°C (91°F) and lows dropping to around 0°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec313439506069757367574235
Data source: Temperature data for Denville 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 Denville

In Denville in May, the precipitation amount is 137 mm (5.4 in) that occurs over the course of 12 days.

May Precipitation Trends in Denville

The chart displays monthly precipitation patterns in Denville, 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 Denville, May typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec721019711713710214213611114390112
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Denville

In Denville in May, humidity is 69%. With an average temperature of 16°C (60°F), this humidity feels like a gentle embrace that can make traveling a bit sticky, yet the mild warmth invites exploration, creating a comfortable atmosphere for leisurely strolls and outdoor adventures.

May Average Humidity in Denville

This chart illustrates the average monthly humidity levels in Denville, 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 Denville 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 Denville

In Denville 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 Denville.

Maximum UV Index Levels in Denville for May

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

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

This table compares monthly weather conditions in Denville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)72 mm (2.8 inches)84%moderate
February Weather1°C (34°F)101 mm (4.0 inches)82%moderate
March Weather4°C (39°F)97 mm (3.8 inches)81%high
April Weather10°C (50°F)117 mm (4.6 inches)78%very high
May Weather16°C (60°F)137 mm (5.4 inches)69%very high
June Weather21°C (70°F)102 mm (4.0 inches)69%very high
July Weather24°C (76°F)142 mm (5.6 inches)62%very high
August Weather23°C (74°F)136 mm (5.4 inches)65%very high
September Weather19°C (67°F)111 mm (4.4 inches)68%very high
October Weather14°C (57°F)143 mm (5.6 inches)74%high
November Weather6°C (43°F)90 mm (3.5 inches)82%moderate
December Weather2°C (35°F)112 mm (4.4 inches)80%low

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