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May Weather in Henderson, United States

Last updated: June 24, 2025

In May, the average temperature in Henderson, United States is a pleasant 21°C (71°F). However, temperatures can vary significantly, dipping to a chilly 4°C (39°F) at times, while reaching a warm 35°C (95°F) on the hotter days. Expect about 113 mm (4.4 in) of precipitation spread over 11 days, contributing to an average humidity of 83%.

May Temperature in Henderson

In May, in Henderson, the average temperature is 21°C (71°F). Maximums can reach 35°C (95°F) and minimums can be as low as 4°C (39°F). This diverse temperature range makes Henderson an ideal destination for travelers seeking both warm days and cool evenings.

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

The chart illustrates May temperature patterns in Henderson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Henderson, May typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec414554607178817975645046
Data source: Temperature data for Henderson 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 Henderson

In Henderson in May, the precipitation amount is 113 mm (4.4 in) over the course of 11 days.

May Precipitation Trends in Henderson

The chart displays monthly precipitation patterns in Henderson, 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 Henderson, May typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec10218016615311310713211011911882145
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Henderson

In Henderson 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 Henderson

This chart illustrates the average monthly humidity levels in Henderson, 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 Henderson is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Henderson

In Henderson 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 Henderson.

Maximum UV Index Levels in Henderson for May

The chart shows the monthly maximum UV Index (UVI) for Henderson 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 Henderson typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710111111109753
Data source: Henderson 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 Henderson Compares to Other Months

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

This table compares monthly weather conditions in Henderson, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)102 mm (4.0 inches)86%moderate
February Weather7°C (46°F)180 mm (7.1 inches)85%high
March Weather12°C (54°F)166 mm (6.5 inches)84%high
April Weather16°C (60°F)153 mm (6.0 inches)81%very high
May Weather21°C (71°F)113 mm (4.4 inches)83%extreme
June Weather25°C (78°F)107 mm (4.2 inches)83%extreme
July Weather27°C (81°F)132 mm (5.2 inches)80%extreme
August Weather26°C (79°F)110 mm (4.3 inches)73%very high
September Weather24°C (75°F)119 mm (4.7 inches)70%very high
October Weather18°C (64°F)118 mm (4.6 inches)73%high
November Weather10°C (50°F)82 mm (3.2 inches)85%moderate
December Weather8°C (46°F)145 mm (5.7 inches)88%moderate

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