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May Weather in Cornelius, United States

Last updated: June 24, 2025

In May, the average temperature in Cornelius, United States hovers around 21°C (71°F), making it a pleasant escape. However, temperatures can vary significantly, with a minimum of 4°C (39°F) and soaring up to 36°C (97°F). If you're planning to visit, be prepared for some rain, as 118 mm (4.6 in) of precipitation can fall over 12 days. With an average humidity of 83%, the air may feel quite humid, adding to the tropical charm of this destination.

May Temperature in Cornelius

In May in Cornelius, the average temperature is 21°C (71°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop as low as 4°C (39°F). This variation in climate makes Cornelius an ideal destination for travelers seeking both warmth and cool respite.

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

The chart illustrates May temperature patterns in Cornelius, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cornelius, May typically has an average temperature of 21°C (71°F), with highs reaching up to 36°C (97°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec434853617077817874645046
Data source: Temperature data for Cornelius 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 Cornelius

In Cornelius in May, the precipitation amount is 118 mm (4.6 in) spread over 12 days.

May Precipitation Trends in Cornelius

The chart displays monthly precipitation patterns in Cornelius, 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 Cornelius, May typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec911188610411881919613410289119
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cornelius

In Cornelius in May humidity is 83%. With an average temperature of 21°C (71°F), this humidity feels like walking through a warm mist, making travel both refreshing and slightly uncomfortable as the air clings to your skin and you find yourself needing to take frequent breaks to hydrate.

May Average Humidity in Cornelius

This chart illustrates the average monthly humidity levels in Cornelius, 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 Cornelius is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Cornelius

In Cornelius 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 Cornelius.

Maximum UV Index Levels in Cornelius for May

The chart shows the monthly maximum UV Index (UVI) for Cornelius 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 Cornelius typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101110109853
Data source: Cornelius 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 Cornelius Compares to Other Months

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

This table compares monthly weather conditions in Cornelius, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)91 mm (3.6 inches)86%moderate
February Weather9°C (48°F)118 mm (4.6 inches)85%high
March Weather12°C (53°F)86 mm (3.4 inches)84%very high
April Weather16°C (62°F)104 mm (4.1 inches)82%very high
May Weather21°C (71°F)118 mm (4.6 inches)83%very high
June Weather25°C (77°F)81 mm (3.2 inches)82%extreme
July Weather27°C (81°F)91 mm (3.6 inches)80%very high
August Weather26°C (79°F)96 mm (3.8 inches)74%very high
September Weather23°C (74°F)134 mm (5.3 inches)75%very high
October Weather18°C (65°F)102 mm (4.0 inches)79%very high
November Weather10°C (51°F)89 mm (3.5 inches)87%moderate
December Weather8°C (46°F)119 mm (4.7 inches)87%moderate

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