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December Weather in Henderson, United States

Last updated: June 24, 2025

In December, the average temperature in Henderson, United States hovers around 12°C (53°F), offering a mild climate perfect for exploration. However, be prepared for fluctuations, as temperatures can dip as low as -2°C (28°F) or soar up to 28°C (84°F). Expect 121 mm (4.8 in) of precipitation spread over 8 days, and keep in mind that the average humidity level is quite high at 88%, adding a refreshing (though occasionally damp) touch to your adventures!

December Temperature in Henderson

In December in Henderson, the average temperature is 12°C (53°F), with maximums reaching up to 28°C (84°F) and minimums dropping as low as -2°C (28°F). This wide range makes it essential for travelers to pack layers to ensure comfort during their visit.

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

The chart illustrates December 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, December typically has an average temperature of 12°C (53°F), with highs reaching up to 28°C (84°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec495161657481848479695753
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.

December Precipitation in Henderson

In Henderson in December, the precipitation amount is 121 mm (4.8 in) over the course of 8 days.

December Precipitation Trends in Henderson

The chart displays monthly precipitation patterns in Henderson, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Henderson, December typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec10414612614414011282779010359121
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Henderson

In Henderson in December humidity is 88%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that clings to your skin, making it crucial to dress in layers and stay prepared for the discomfort while exploring.

December Average Humidity in Henderson

This chart illustrates the average monthly humidity levels in Henderson, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Henderson is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Henderson

In Henderson in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Henderson for better planning.

Maximum UV Index Levels in Henderson for December

The chart shows the monthly maximum UV Index (UVI) for Henderson in December, 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 December, the maximum UV index in Henderson typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101112111110864
Data source: Henderson December 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 December 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 December’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 December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)104 mm (4.1 inches)82%moderate
February Weather11°C (52°F)146 mm (5.7 inches)80%high
March Weather16°C (61°F)125 mm (4.9 inches)78%very high
April Weather19°C (66°F)144 mm (5.7 inches)79%very high
May Weather23°C (75°F)140 mm (5.5 inches)81%extreme
June Weather27°C (81°F)112 mm (4.4 inches)77%extreme
July Weather29°C (84°F)82 mm (3.2 inches)72%extreme
August Weather29°C (85°F)77 mm (3.0 inches)65%extreme
September Weather26°C (80°F)90 mm (3.6 inches)63%very high
October Weather20°C (69°F)103 mm (4.0 inches)70%very high
November Weather14°C (58°F)59 mm (2.3 inches)82%high
December Weather12°C (53°F)121 mm (4.8 inches)88%moderate

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