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May Weather in Mills River, United States

Last updated: June 24, 2025

In May, the average temperature in Mills River, United States hovers around 18°C (64°F), with extremes ranging from a chilly 0°C (32°F) to a pleasant 30°C (87°F). Visitors can expect about 117 mm (4.6 in) of precipitation over 12 days, contributing to an average humidity of 85%.

May Temperature in Mills River

In May in Mills River, the average temperature is 18°C (64°F). Maximums can reach 30°C (87°F) and minimums can be as low as 0°C (32°F). This varied climate makes it a perfect time for travelers to enjoy a range of outdoor activities, from warm days to cooler evenings.

May Weather in Mills River: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mills River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mills River, May typically has an average temperature of 18°C (64°F), with highs reaching up to 30°C (87°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec384348556469737168594541
Data source: Temperature data for Mills River 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 Mills River

In Mills River in May, the total precipitation amount is 117 mm (4.6 in), occurring over a span of 12 days.

May Precipitation Trends in Mills River

The chart displays monthly precipitation patterns in Mills River, 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 Mills River, May typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec80119101119117899312612513973109
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mills River

In Mills River in May, humidity is 85%. With an average temperature of 18°C (64°F), this humidity feels like a muggy blanket enveloping you, making travel a bit heavy and sticky, as the air clings to your skin and every step can feel like wading through molasses.

May Average Humidity in Mills River

This chart illustrates the average monthly humidity levels in Mills River, 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 Mills River is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mills River

In Mills River 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 Mills River.

Maximum UV Index Levels in Mills River for May

The chart shows the monthly maximum UV Index (UVI) for Mills River 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 Mills River typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111111010864
Data source: Mills River 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 Mills River Compares to Other Months

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

This table compares monthly weather conditions in Mills River, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)80 mm (3.2 inches)86%moderate
February Weather6°C (44°F)119 mm (4.7 inches)86%high
March Weather9°C (48°F)101 mm (4.0 inches)86%very high
April Weather13°C (56°F)119 mm (4.7 inches)82%extreme
May Weather18°C (64°F)117 mm (4.6 inches)85%extreme
June Weather21°C (70°F)89 mm (3.5 inches)85%extreme
July Weather23°C (73°F)93 mm (3.7 inches)83%extreme
August Weather22°C (72°F)126 mm (5.0 inches)76%very high
September Weather20°C (68°F)125 mm (4.9 inches)76%very high
October Weather15°C (59°F)139 mm (5.5 inches)80%very high
November Weather7°C (46°F)73 mm (2.9 inches)88%high
December Weather5°C (41°F)109 mm (4.3 inches)88%moderate

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